The cost of producing x shovels in a factory is given by the function f(x) = 23x + 590. The number of shovels that can be produced in h hours is given by the function N(h) = 40h.
The function f(x) = 23x + 590 represents the cost in dollars to produce x shovels in the factory. The coefficient 23 represents the cost per shovel, and the constant term 590 represents additional fixed costs.
On the other hand, the function N(h) = 40h represents the number of shovels that can be produced in h hours. The coefficient 40 indicates the production rate, which means 40 shovels can be produced per hour.
These two functions represent different aspects of the production process. While f(x) calculates the cost of producing a given number of shovels, N(h) determines the maximum number of shovels that can be produced in a specific time frame.
It's important to note that the given information provides separate functions for cost and production rate and does not directly relate the two.
To learn more about function click here: brainly.com/question/30721594
#SPJ11
You created a circle with a center at point E that passed through point A, then the length of the radius would also be equal to which segments? Select all that apply
If a circle with center E passes through point A, then the length of the radius would be equal to segments EA and AE.In a circle, the radius is a line segment that connects the center of the circle to any point on
the circle. In this case, the center of the circle is point E, and the circle passes through point A. Therefore, the line segments EA and AE would both be equal to the radius of the circle. Segment EA represents the line segment from point E to point A, while segment AE represents the line segment from point A to point E. Since both segments connect the center of the circle (point E) to a point on the circle (point A), they would have the same length as the radius. It's important to note that the length of the radius remains constant throughout the circle. Regardless of which point on the circle is chosen, the line segment connecting that point to the center will always be equal to the radius. This property holds true for any circle, not just the specific scenario mentioned in the question. Therefore, in the given scenario, the segments EA and AE would be equal in length and would both represent the radius of the circle.
learn more about through here :
https://brainly.com/question/28904348
#SPJ11
On one night, a scientist needs to determine the distance she is away from the International Space Station. At the specific time she is determining this the space station distance they are both on the same line of longitude 77° E. Furthermore, she is on a latitude of 29° N and the space station is orbiting just above a latitude of 61.4° N. In short, the central angle between the two is 32.4°. If the Earth's radius is 3959 miles and the space station orbits 205 miles above the surface of the Earth, then how far is the scientist away from the space station?
The scientist is approximately 3933 miles away from the International Space Station.
To determine the distance between the scientist and the International Space Station, we can use the law of cosines. The law of cosines states that in a triangle, the square of one side is equal to the sum of the squares of the other two sides minus twice the product of their lengths and the cosine of the included angle.
In this case, the Earth's radius (r) is 3959 miles, and the space station orbits 205 miles above the surface of the Earth. The central angle between the scientist and the space station is 32.4°. Using the law of cosines, we can calculate the distance (d) between them as follows:
d² = r² + (r + h)² - 2r(r + h)cos(32.4°)
where h is the height of the space station above the Earth's surface. Plugging in the values, we get:
d² = 3959² + (3959 + 205)² - 2 * 3959 * (3959 + 205) * cos(32.4°)
Simplifying this equation gives us:
d ≈ 3933 miles
Therefore, the scientist is approximately 3933 miles away from the International Space Station.
Learn more about law of cosines here:
https://brainly.com/question/30766161
#SPJ11
You can use the slope formula to also derive the slope-intercept form of a linear
equation. Use the slope formula to find the slope between (x,y), any point on a
line, and (0, b), the point at the y-intercept. Then solve for y.
PLEASE HELP PLEASE HELP
The slope formula can be used to find the slope between any two points on a line, including the point at the y-intercept. By applying the slope-intercept form of a linear equation, we can solve for y.
The slope formula is given by:
m = (y2 - y1) / (x2 - x1)
where (x1, y1) and (x2, y2) are any two points on the line. Let's consider the point at the y-intercept, which is (0, b). Using the slope formula, we can calculate the slope between (x, y) and (0, b):
m = (y - b) / (x - 0)
m = (y - b) / x
Now, let's rearrange the equation to solve for y. Multiply both sides of the equation by x:
m*x = y - b
Then, add b to both sides:
y = m*x + b
This is the slope-intercept form of a linear equation, where m represents the slope and b represents the y-intercept. By utilizing the slope formula and manipulating the equation, we have derived the slope-intercept form and solved for y in terms of x, m, and b.
Learn more about slope formula here:
https://brainly.com/question/28553357
#SPJ11
brian buys a computer for £1600
it depreciates at a rate of 4% per year
how much will it be worth in 3 years
Brian's computer will be worth £1408 in 3 years if it depreciates at a rate of 4% per year. Depreciation is a measure of how much the asset has lost in value over a period of time.
Depreciation refers to a decrease in the value of an asset over time due to its wear and tear or obsolescence. When an asset is purchased, it has an original value that is its initial worth. After some time, the asset will lose its value and become less valuable. Depreciation is a measure of how much the asset has lost in value over a period of time.
In this problem, Brian bought a computer for £1600, and it depreciates at a rate of 4% per year. To find out how much it will be worth in 3 years, we need to use the formula for depreciation which is:
Depreciation = Original value × rate of depreciation (as a decimal) × time (in years)
To calculate the depreciation, we have:
Depreciation = 1600 × 0.04 × 3= £192.
The depreciation value is what the computer will be worth in 3 years. Therefore, we can find the current value of the computer by subtracting the depreciation value from the original value. Hence, we have:
Current value = Original value - Depreciation= £1600 - £192= £1408.
Therefore, the computer will be worth £1408 in 3 years.
Learn more about Depreciation visit:
brainly.com/question/30531944
#SPJ11
When Lorretta was 18 years old, she deposited $100 into a 20-year certificate of deposit (CD) account that earns interest at a better rate than her standard savings account. She must leave the money in the account for 20 years, without making any withdrawals or deposits. Six years later, she had $132 in the account. Write an equation that will represent this situation, and use the equation to determine how much money.
this has to be in y=ab^x form and we have to solve using logarithm rules but I wasn't there for that lesson
Therefore, the amount of money in the CD after 6 years is $200.76.
Given that Loretta was 18 years old when she deposited $100 into a 20-year certificate of deposit (CD) account that earns interest at a better rate than her standard savings account and she must leave the money in the account for 20 years, without making any withdrawals or deposits.
Six years later, she had $132 in the account.The formula for the growth of money at a compounded rate is given by
y =[tex]a (1 + r/n)^_(nt)[/tex]
Where
y = the amount of money at the end of the period.
a = the initial amount of money.
r = the annual interest rate in decimal form.
n = the number of times compounded per year.
t = the number of years.
The initial deposit was $100, and the total amount after 20 years would be $132. So, we have
$132 =[tex]$100(1 + r/n)^_(nt)[/tex]
Taking the natural logarithm of both sides,ln 132
= [tex]ln(100) + ln(1 + r/n)^{(nt)}ln 132 - ln 100[/tex]
= nt ln (1 + r/n)ln (132/100)
= nt ln (1 + r/n)ln (1.32)
= nt ln (1 + r/n)ln (1.32)
= t ln (1 + r/n)ln (1 + r/n)
= ln (1.32)ln (1 + r/n)
= 0.2877
Since the number of times compounded per year is not given, it can be assumed that it is compounded annually.i.e., n = 1
Therefore,ln (1 + r/1)
= 0.2877ln (1 + r)
= 0.2877r
= [tex]e^{(0.2877)} - 1r[/tex]
= 0.3338
So, the rate of interest is 33.38%.
Therefore, the equation for the amount of money in the CD after t years is
y = [tex]100(1 + 0.3338)^t[/tex]
Thus, the amount of money at the end of 6 years is
y = [tex]100(1 + 0.3338)^6[/tex]
= $200.76
To know more about certificate of deposit visit:
https://brainly.com/question/29620073
#SPJ11
The cheasebirger is three times the price of the fries and the drink and the fries were the same price. if the entire meal was $12.50 what was the price for each item?
Let's break down the information given to solve the problem. We'll denote the price of the fries as "f," the price of the drink as "d," and the price of the cheeseburger as "c."
From the given information, we can deduce two equations:
c = 3(f + d) (The cheeseburger is three times the combined price of the fries and the drink.)
f + d = x (The price of the fries and drink combined is denoted as "x".)
We also know that the entire meal costs $12.50, so we can form a third equation:
3. c + f + d = 12.50
Now, let's substitute the value of x from equation 2 into equation 1:
c = 3x
Substituting the value of c from equation 1 into equation 3, we have:
3x + x = 12.50
4x = 12.50
x = 3.125
So, the price of the fries and drink combined (x) is $3.125. Since the price of the fries and the drink are the same, each item costs $3.125/2 = $1.5625.
Therefore, the price for the cheeseburger (c) is 3 times the combined price of the fries and drink, which is 3 * $3.125 = $9.375.
In summary, the price for each item is as follows:
Fries and drink: $1.5625 each
Cheeseburger: $9.375
To learn more about cheeseburger visit:
brainly.com/question/8167627
#SPJ11
Explain how you can break apart one of the addenda to make a ten to find the number of points Jeannie Kevin scored.
Jeannie Kevin scored 9 points , The method of breaking an addend to make a ten is a technique to help children learn mental math when they are working on addition problems that are not convenient to do with the traditional algorithm. Children can apply this method to breaking down numbers that are near ten, such as 8 and 9.
The breaking addends method works by breaking one of the addends into two parts, one that can be combined with the other addend to make ten and the remaining part can be added to the answer.
For example, to break apart the addend 8 to make ten when solving the problem 8 + 7, we can break 8 into two parts: 2 and 6. Then we can add the 2 to 7 to get 9 and add the remaining 6 to the 9 to get 15. Therefore, 8 + 7 = 15. In this problem, we do not need to break apart any addends because we have a ten in the problem.
If we separate the ten and the 1, we can see that Jeannie scored 9 points.
To know more about algorithm, visit
https://brainly.com/question/28724722
#SPJ11
What is
y
=
−
3
10
x
−
8
y=−
10
3
x−8y, equals, minus, start fraction, 3, divided by, 10, end fraction, x, minus, 8 written in standard form?
Choose 1 answer:
The equation y = -3/10x - 8 is already in slope-intercept form, which is y = mx + b. In this form, m represents the slope of the line and b represents the y-intercept.
The standard form of a linear equation is Ax + By = C, where A, B, and C are constants. To convert the equation, we multiply both sides by 10 to eliminate fractions and rearrange terms, resulting in 3x + 10y = -80 as the standard form.
To convert the equation to standard form, we start by multiplying both sides by 10 to eliminate the fraction. This gives us 10y = -30x - 80. Next, we rearrange the terms to have the x and y variables on the same side. This gives us 30x + 10y = -80. Finally, we divide all coefficients by their greatest common divisor (in this case, 10) to simplify the equation, resulting in 3x + 10y = -80 as the standard form.
Learn more about equation here:
https://brainly.com/question/29657983
#SPJ11
Justin recently started working for a company that pays him $11. 40 per hour. He is expected to work a total of 251 days for 8 hours each. How much will Justin earn for the year (i. E. Gross annual salary)?.
Justin will earn $22,903.20 for the year as his gross annual salary
To find Justin's gross annual salary, you need to multiply his hourly rate by the number of hours he works in a year. Justin works 8 hours per day and 251 days in a year.
So, the total number of hours he works in a year is:
$$8 \text{ hours/day} \cdot 251 \text{ days/year} = 2,008 \text{ hours/year}
$$Now, multiply this number by Justin's hourly rate:$$2,008 \text{ hours/year} \cdot $11.40/\text{hour} = $22,903.20
$$
Therefore, Justin will earn $22,903.20 for the year as his gross annual salary.
To know more about multiply, visit
https://brainly.com/question/30875464
#SPJ11
Justin will earn $550,732.80 as his gross annual salary.
To calculate Justin’s gross annual salary, we will first calculate his daily pay and then multiply it by the total number of days he will work.
Here are the steps to solve the problem:
Step 1: Find the daily pay Justin will earn.
To find Justin's daily pay, we will multiply his hourly pay by the number of hours he will work each day. Justin will work for 8 hours each day, so his daily pay is:
Daily pay = Hourly pay × Number of hours worked per day
= $11.40 × 8
= $91.20
Step 2: Find the total pay Justin will earn.
To find the total pay Justin will earn, we will multiply his daily pay by the number of days he will work.
Total pay = Daily pay × Number of days worked
= $91.20 × 251
= $22,897.20
Step 3: Find Justin’s gross annual salary.Justin’s gross annual salary is the total pay he will earn for the year.
To find this, we will simply multiply his total pay by the number of times he will be paid in a year (assuming he is paid twice a month, which is common in many companies):
Gross annual salary = Total pay × Number of pay periods in a year
= $22,897.20 × 24= $550,732.80
Therefore, Justin will earn $550,732.80 as his gross annual salary.
To know more about Gross annual salary, visit:
https://brainly.com/question/23998501
#SPJ11
Albert measured a house and its lot and made a scale drawing.
The house's driveway is 3 inches wide in the drawing. The actual
driveway is 15 feet wide.
The width of the driveway in the drawing is 3 inches and the actual width of the driveway is 15 feet.
Scale factor is a term used in mathematics and geometry to describe the ratio of the lengths or measurements of corresponding sides or dimensions of similar figures or objects. It provides a proportional relationship between the sizes of two similar figures.
Understanding the scale factor is important for proportional resizing, creating accurate representations of objects or figures, and maintaining consistent relationships between corresponding measurements. It allows for precise scaling and comparison of similar figures.
Given that the width of the driveway in the drawing is 3 inches and the actual width of the driveway is 15 feet.
Therefore, we need to determine the scale factor that can help us find the actual length of the driveway from the drawing.
We know that,
scale factor = Actual length / Length in the drawing
Scale factor = 15 feet / (3/12) feet
Scale factor = 15 / (1/4)Scale factor = 60
Therefore, the scale factor is 60.
This means that one unit of length in the drawing represents 60 units of length in the actual object. So, if the width of the driveway is 3 inches in the drawing, the actual width can be found by multiplying it with the scale factor.
Actual width of the driveway = 3 inches × 60Actual width of the driveway = 180 inches or 15 feet
Therefore, the actual width of the driveway is 15 feet.
To know more about width visit:
https://brainly.com/question/29281191
#SPJ11
The teacher bought 50 "Pop Its" and then gave 30 of them to their students as a reward. Which percent of the "Pop Its" did the teacher give to their students?
the teacher gave 60% of the "Pop Its" to their students.To determine the percent of "Pop Its" the teacher gave to their students, we need to calculate the ratio of the number of "Pop Its" given to the students to the total number of "Pop Its" bought by the teacher.
The teacher initially bought 50 "Pop Its". Out of these, 30 were given to the students.
To find the percentage, we divide the number of "Pop Its" given to the students (30) by the total number of "Pop Its" bought (50) and multiply by 100.
Percentage = (Number of "Pop Its" given to students / Total number of "Pop Its" bought) × 100
= (30 / 50) × 100
= 0.6 × 100
= 60%
Therefore, the teacher gave 60% of the "Pop Its" to their students.
To learn more about percentage click here:brainly.com/question/32197511
#SPJ11
find the probability of event B. enter as a decimal rounded to the nearest hundredth.
a. The probability that both events will occur is 0.3
b. The probability that event B will occur is 1
What is probability?Probability is the likelihood of an event
a. To find the probability that both events are likely to occur, we proceed as follows
The probability that both event srae likely to occur P(A n B) = n(A n B)/n(A u B) where
n(A n B) = number of elements common to A and Bn(A u B) = total number of elementsGiven that
n(A n B) = 6n(A u B) = 20P(A n B) = n(A n B)/n(A u B)
= 6/20
= 3/0
= 0.3
So, the probability that both events will occur is 0.3
a. To find the probability of B events, we proceed as follows
The probability that both event B is likely to occur P(B) = n(B)/n(A u B) where
n( B) = number of elements in Bn(A u B) = total number of elementsGiven that
n(B) = 20n(A u B) = 20P(B) = n(B)/n(A u B)
= 20/20
= 1
So, the probability that event B will occur is 1
Learn more about probability here:
https://brainly.com/question/30846562
#SPJ1
Raj reads 7/12 of his book before dinner and another 2/12 of his book after dinner.
How much of his book did Raj read in total?
Enter your answer as a fraction in simplest form by filling in the boxes.
Raj read a total of 9/12 of his book.
To find out how much of the book Raj read in total, we need to add the fractions representing the portions he read before dinner and after dinner. Raj read 7/12 of his book before dinner, and then an additional 2/12 of his book after dinner. Adding these fractions together gives us:
7/12 + 2/12 = 9/12.
Since the fractions have the same denominator (12), we can simply add the numerators to get the numerator of the total fraction. The denominator remains the same. So, Raj read a total of 9/12 of his book.
To simplify the fraction, we can divide both the numerator and the denominator by their greatest common divisor, which is 3 in this case:
9/12 ÷ 3/3 = 3/4.
Therefore, Raj read 3/4 of his book in total.
Learn more about common factor here:
https://brainly.com/question/30961988
#SPJ11
Answer:
Step-by-step explanation:
hi me need help me 10
The soccer league has a total of 272 players on 16 teams. How many players per team are there in the league? 16 players per team 17 players per team 288 players per team 4352 players per team.
In the soccer league with a total of 272 players on 16 teams, there are 17 players per team.
To determine the number of players per team in the league, we divide the total number of players (272) by the number of teams (16).
Dividing 272 by 16, we get:
272 ÷ 16 = 17
Therefore, there are 17 players per team in the soccer league.
To verify this, we can perform a quick check. If there are players per team, and there are 16 teams in total, the total number of players would be:
17 players per team × 16 teams = 272 players
Since this matches the given total number of players in the league, our calculation is correct.
Hence, there are 17 players per team in the soccer league with a total of 272 players on 16 teams.
To learn more about number of players click here: brainly.com/question/23133466
#SPJ11
Let's Try This
Suggested Time Allotment: 15 minutes
Lesson Statement Box
1. Copy the Lesson Statement Box on a clean sheet of paper.
2. Write your response's under column A (Personal Response). Ask your family
member to complete column B My Family Member's Response)
3. Answer the Processing Questions after
А
B
(Personal
Response/s)
(My Family Member's
Response/s)
My favorite subject is.
The relevant/ important lessons that I
learned from the subject are.
This lesson is relevant because.
Given a chance, I will share this
lesson to.
Processing Questions:
The lesson statement box requires copying on a clean sheet of paper. Under column A (Personal Response), students are expected to write their response, while their family members are to complete column B (My Family Member's Response).
The statement goes thus:My favorite subject is. The relevant/ important lessons that I learned from the subject are. This lesson is relevant because. Given a chance, I will share this lesson with. The processing questions are:
1. What subject is your favorite
2. What are the relevant/ important lessons you learned from this subject
3. Why is this lesson relevant?4. Who would you share this lesson with, given a chance
Students are required to write more than 100 words in response to each of the processing questions.
To know more about requires visit:
https://brainly.com/question/2929431
#SPJ11
All pants and shirts at a clothing
company are on sale for half-price.
Ophelia purchased 8 shirts and pairs
of pants and paid $176. Her friend
Yolanda purchased 3 shirts and 4 pairs
of pants and paid $116. What is the
most reasonable price for a shirt?
A $6
B $8
C $12
D $20
Option C) $12. All shirts are on sale for half-price, so the most reasonable price for a shirt is $12, which is option C.
Let's use a system of equations to solve this problem. Let x be the cost of a pair of pants and y be the cost of a shirt. We know that all pants and shirts are half-price, so:2x = original price of a pair of pantsy = original price of a shirtO phelia purchased 8 shirts and pants and paid $176, so:8y + 8x = 176
Divide by 8: y + x = 22Yolanda purchased 3 shirts and 4 pants and paid $116, so:3y + 4x = 116
We can use substitution to solve for y:y = 22 - x3(22 - x) + 4x
= 11666 - 3x + 4x = 116x = 50
Substitute x = 50 into one of the equations to solve for y:y + x = 22y + 50 = 22y = -28
Therefore, the original price of a shirt was $56. However, all shirts are on sale for half-price, so the most reasonable price for a shirt is $12, which is option C.
To know more about system of equations visit :-
https://brainly.com/question/20067450
#SPJ11
Greg wants to estimate the percentage of people who lease a car. He surveys 340 individuals and finds that 90 lease a car. What is the sample proportion for successes, p′? Round the final answer to three decimal places.
The sample proportion for successes, p′, for the survey that Greg carried out would be 0. 265.
How to find the sample proportion for successes ?The sample proportion for successes, often denoted as " p ", is found by dividing the number of successes (in this case, the number of people who lease a car ) by the total number of trials (the total number of individuals surveyed ).
So, in this case, the sample proportion for successes ( p ) would be:
= 90 / 340
= 0. 2647
= 0. 265
In percentages, this would take the value of 26. 47 %.
Find out more on sample proportion at https://brainly.com/question/29134328
#SPJ4
A farmer sells 7. 3 kilograms of pears and apples at the farmer's market. 3/4
of this weight is pears, and the rest is apples. How many kilograms of apples did she sell at the farmer's market? Please help me with this I need it for a Zearn answer im stuck on it
The farmer sold 2.42 kilograms of apples at the farmer's market.
To solve the problem, first, we need to find out how much weight the farmer sold in pears.
We are given that 3/4 of the weight is pears and 1/4 of the weight is apples.
We can use this information to set up an equation that represents the weight of the pears sold.
Let the weight of pears sold be "x":
Weight of pears sold + Weight of apples sold = Total weight of fruit sold
3/4x + 1/4x = 7.3 kg
Simplifying this equation, we get:
x = 4.88 kg
This means that the farmer sold 4.88 kg of pears.
To find out how many kilograms of apples she sold, we can subtract this weight from the total weight of fruit sold:
Weight of apples sold = Total weight of fruit sold - Weight of pears sold
Weight of apples sold = 7.3 kg - 4.88 kg
Weight of apples sold = 2.42 kg
Therefore, the farmer sold 2.42 kilograms of apples at the farmer's market.
To know more about weight, visit:
https://brainly.com/question/32164645
#SPJ11
Study the equations: f(x) = 11x – 5 g(x) = –2x – 4 What is h(x) = f(x) g(x)? h(x) = –22x2 34x 20 h(x) = –22x2 10x – 24 h(x) = 22x2 – 54x 20 h(x) = –22x2 – 34x 20.
Given the functions: `f(x) = 11x – 5` and `g(x) = –2x – 4`. We need to find `h(x) = f(x) g(x)`.We know that if `f(x) = a(x)`, `g(x) = b(x)`, then their product is: `f(x) g(x) = a(x) b(x)`.
Now, putting the values of `f(x)` and `g(x)` in the expression `h(x) = f(x) g(x)` we get;`h(x) = f(x) g(x)``=> h(x) = (11x - 5) (-2x - 4)`Let's simplify the above equation:
Therefore, `h(x) = -22x² - 54x + 20` is the required answer.Given the functions: `f(x) = 11x – 5` and `g(x) = –2x – 4`. We need to find `h(x) = f(x) g(x)`.We know that if `f(x) = a(x)`, `g(x) = b(x)`, then their product is: `f(x) g(x) = a(x) b(x)`.
To know more about functions visit :
https://brainly.com/question/31062578
#SPJ11
Rewrite cos(x-pi/6) in terms of sin(x) and cos(x)
Trigonometric function cos(x - π/6) in terms of sin(x) and cos(x) is (√3/2)cos(x) + (1/2)sin(x).
To rewrite cos(x - π/6) in terms of sin(x) and cos(x), we can use the trigonometric identity known as the cosine of a difference formula:
cos(a - b) = cos(a)cos(b) + sin(a)sin(b)
In this case, let's substitute a = x and b = π/6:
cos(x - π/6) = cos(x)cos(π/6) + sin(x)sin(π/6)
Now, we can simplify further using the values of cos(π/6) and sin(π/6):
cos(x - π/6) = cos(x)(√3/2) + sin(x)(1/2)
Therefore, cos(x - π/6) can be expressed in terms of sin(x) and cos(x) as:
cos(x - π/6) = (√3/2)cos(x) + (1/2)sin(x)
To learn more about Trigonometric function here:
https://brainly.com/question/24377281
#SPJ4
Consider a rectangular tank with height 5 m and base 4 × 8 m^2. Suppose the tank is half full of water. Find the work required to empty the tank through a whole at the top of the tank. The density of water is 1000 kg/m^3 and g = 9. 8 m/s^2
The work required to empty the tank through a hole at the top of the tank is 3.92 × 10^5 J Given, Height of the rectangular tank = 5mBase of the rectangular tank = 4 x 8 m^2Volume of the tank = base x height = 4 x 8 x 5 = 160 m^3
Given, the tank is half full of water volume of water in the tank = 1/2 x 160 = 80 m^3Density of water = 1000 kg/m^3g = 9.8 m/s^2Let the hole be at depth h from the top of the water in the tankThe work required to empty the tank through the hole is given by the expression,W = mghwhere m is the mass of water that flows out of the tank, g is the acceleration due to gravity and h is the depth of the hole from the top of the water in the tank.We can find the value of m as follows:Given, density of water = 1000 kg/m^3Volume of water in the tank = 80 m^3Mass of water in the tank = Volume x density = 80 x 1000 = 80000 kgLet the depth of the hole from the top of the water in the tank be h m. Then the volume of water that flows out of the tank is given by the expression,
V = 4 × 8 × h = 32h m^3The mass of water that flows out of the tank is given by the expression,m = density x volume = 1000 x 32h = 32000h kgNow we can substitute the value of m in the expression for W to get the work required to empty the tank through the hole,W = mgh = 32000gh JThe value of h that minimizes the work required to empty the tank is obtained by differentiating W with respect to h and equating the result to zero. This gives,dW/dh = 32000g - 0 = 0Therefore, h = 0The work required to empty the tank through a hole at the top of the tank is 3.92 × 10^5 J.
To know more about rectangular visit:
https://brainly.com/question/21416050
#SPJ11
How many sheets of paper can be made from a tree that is 50 centimeters in diameter and 25 meters tall
Approximately 80,500 sheets of paper can be made from a tree that is 50 centimeters in diameter and 25 meters tall.
To find the number of sheets of paper that can be made from a tree, the formula is used:Number of sheets of paper = (Volume of wood in cubic meters) × (Density of paper in grams per cubic meter) × (1,000,000 grams per metric tonne) ÷ (Weight in grams per sheet)Where volume of the wood in cubic meters is calculated as:Volume of wood = π × (Diameter/2)^2 × HeightVolume of wood = π × (50/2)^2 × 25Volume of wood = 24,414.86 cubic metersThe density of paper is usually around 400 kg per cubic meter.
Converting the density to grams per cubic meter gives: Density = 400,000 g/m3Weight of an average sheet of A4 paper is 5 grams.To make 1 metric ton (1,000 kg) of paper, 2.5 to 3 tons of wood is needed, so an average of 2.5 tons. This means that:1 tonne of paper = 2.5 tonnes of woodWeight in grams per sheet = Weight of 1 tonne of paper / (number of sheets in 1 tonne of paper)Weight in grams per sheet = (1,000,000 grams) / (200,000 sheets)Weight in grams per sheet = 5 gramsNow, we can use the formula:Number of sheets of paper = (Volume of wood in cubic meters) × (Density of paper in grams per cubic meter) × (1,000,000 grams per metric tonne) ÷ (Weight in grams per sheet)Number of sheets of paper = 24,414.86 × 400,000 × 1,000,000 ÷ 5Number of sheets of paper = 1,232,743,000 ÷ 5Number of sheets of paper ≈ 80,500 sheetsTherefore, approximately 80,500 sheets of paper can be made from a tree that is 50 centimeters in diameter and 25 meters tall.
To know more about diameter visit :-
https://brainly.com/question/31445584
#SPJ11
Marnie packed 18 boxes in 3 hours, which was 72% of the total number of boxes she had to pack. How many boxes did Marnie have to pack? 13 boxes 25 boxes 54 boxes 216 boxes.
Marnie had to pack 25 boxes.
The correct option is 25 boxes.
Let's assume the total number of boxes Marnie had to pack is "x".
According to the information given, Marnie packed 18 boxes, which is 72% of the total number of boxes she had to pack.
We can represent this as an equation:
18 = 0.72x
To find the value of x, we can divide both sides of the equation by 0.72:
18 / 0.72 = x
Simplifying the equation, we have:
x = 25
Therefore, Marnie had to pack 25 boxes.
The correct option is 25 boxes.
Learn more about equation click;
https://brainly.com/question/29538993
#SPJ4
4. How does the author's discussion of the woman who quit her job
and went back to school contribute to text?
The author's discussion of the woman who quit her job and went back to school contributes to the text by emphasizing the idea that it's never too late to make a change in one's life.
The author's discussion of the woman who quit her job and went back to school contributes to the text in a couple of ways.First and foremost, this example shows that even if a person has been in a career for a long time, they can still change their path if they want to. In the text, the author talks about how the woman who quit her job had been in her previous career for many years, but ultimately decided to go back to school to pursue something she was more passionate about.
This emphasizes the idea that it's never too late to make a change in one's life and that people should pursue their dreams no matter their age or current circumstances.Secondly, the woman's story shows the potential benefits of taking risks and following one's passions. The author discusses how the woman felt more fulfilled in her new career and was able to make a positive impact in her community through her work. This suggests that taking risks and pursuing one's passions can lead to a more fulfilling and rewarding life overall.In conclusion, the author's discussion of the woman who quit her job and went back to school contributes to the text by emphasizing the idea that people should pursue their passions and take risks, even if it means making major changes later in life. The example shows that it's never too late to make a change and that following one's dreams can lead to a more fulfilling and satisfying life.
To know more about author's visit:
https://brainly.com/question/1425276
#SPJ11
Which representation of a transformation on a coordinate grid does not preserve congruence?
F. (x,y)→(x+7,y+7)
G. (x,y)→(17x,17y)
H. (x,y)→(y,−x)
J. (x,y)→(x,−y)
We know that congruence is a geometric transformation that preserves angles and lengths.
A representation of a transformation on a coordinate grid that does not preserve congruence is option G, which is (x,y) → (17x,17y).
This transformation enlarges the shape by a scale factor of 17 and changes the distance between each pair of points in the transformed shape.
Option F represents a translation of a shape on a coordinate grid, which means that it preserves congruence because the distance and angles between each pair of points remain the same.
Option H represents a rotation of a shape on a coordinate grid, and option J represents a reflection of a shape across the x-axis.
These transformations also preserve congruence because they do not change the length or angles between each pair of points in the transformed shape.
Therefore, the correct answer is G, (x,y) → (17x,17y).
To know more about rotation visit:
https://brainly.com/question/1571997
#SPJ11
Write the sum of the two algebraic expressions modeled by the algebra tiles let x be the variable then use algebra tiles to simplify the expression (i will mark brainlyest :)
The required simplified expression for the sum of the two algebraic expressions modeled by the algebra tiles is 3x - 1.
To write the sum of two algebraic expressions, we need the specific expressions or equations. Since you mentioned using algebra tiles, assuming to simplify an expression using visual representation.
Let's consider an example expression: (x + 3) + (2x - 4).
To simplify this expression using algebra tiles, we can represent x using a green tile, a positive constant term using a yellow tile, and a negative constant term using a red tile. Each x represents one green tile, each positive constant term represents one yellow tile, and each negative constant term represents one red tile.
(x + 3) can be represented as one green tile (x) and three yellow tiles (+3).
(2x - 4) can be represented as two green tiles (2x) and four red tiles (-4).
To find the sum, we can combine like terms by putting the tiles together. We combine the green tiles and the yellow tiles separately:
Green tiles: x + 2x = 3x (Three green tiles)
Yellow tiles: +3 - 4 = -1 (One yellow tile and four red tiles)
Therefore, the simplified expression for the sum of the two algebraic expressions modeled by the algebra tiles is 3x - 1.
Using algebra tiles, we can visually represent and manipulate expressions, helping in understand the concepts of combining like terms and simplifying expressions.
Learn more about simplifying expressions at: https://www.brainly.com/question/28032702
#SPJ4
1. Use , , or = to compare the ratios. Show your work.(a)5 : 8and7 : 10(b)96and3624
(a) 5:8 < 7:10
To compare the ratios, we can find their equivalent fractions. For 5:8, the equivalent fraction is (5/8), and for 7:10, it is (7/10).
Comparing the fractions, (5/8) is less than (7/10) because the denominator of (8) is larger than the denominator of (10), and the numerators (5 and 7) are the same.
To compare ratios, we can convert them into equivalent fractions. In the first case, 5:8 and 7:10 can be written as fractions (5/8) and (7/10), respectively. To determine which fraction is larger, we compare their numerators and denominators. In this case, both fractions have the same numerator (5 and 7). However, the denominator of (5/8) is 8, which is larger than the denominator of (7/10), which is 10. Since the numerators are equal and the denominator of (5/8) is larger, we can conclude that 5:8 is less than 7:10.
Learn more about equivalent fractions here:
https://brainly.com/question/29796627
#SPJ11
Jeanie wrote the correct first step to divide 8z2 4z – 5 by 2z. Which shows the next step? 4z 2 – 4z2 2 – 4z2 2 – 4z 2 –.
The result of division of 8z²-4z-5 by 2z is 4z - 2 - 2.5z. 4z - 2 - 2.5z can also be written as 4z - 2.5z - 2.In conclusion, the next step after the first step of dividing 8z²-4z-5 by 2z is to multiply the divisor and the first term of the quotient and subtract it from the dividend.
When we have to divide 8z²-4z-5 by 2z, we follow the steps given below: Step 1: Firstly, we write the given polynomial in the standard form of the division process as shown below.2z/8z² - 4z - 5Step 2: Divide the first term of the dividend by the first term of the divisor and write the result as the first term of the quotient.2z goes into 8z² 4 times. So, the first term of the quotient is 4z.Step 3: Now, multiply the divisor and the first term of the quotient and subtract it from the dividend.8z² - 4z - 5 – (8z²) = -4z - 5Step 4: Now we bring down the next term of the dividend.2z/-4z - 5Step 5: Divide the first term of the dividend by the first term of the divisor and write the result as the second term of the quotient.2z goes into -4z -2 times. So, the second term of the quotient is -2.Step 6: Multiply the divisor and the second term of the quotient and subtract it from the dividend.-4z - 5 – (-4z) = -5Step 7: We bring down the next term of the dividend.2z/-5Step 8: Divide the first term of the dividend by the first term of the divisor and write the result as the third term of the quotient.2z goes into -5 - 2 times. So, the third term of the quotient is -2.5.Step 9: Multiply the divisor and the third term of the quotient and subtract it from the dividend.-5 – (-5) = 0.
To know more about quotient, visit:
https://brainly.com/question/16134410
#SPJ11
The width of a plastic box is 2 ft longer than the height. the length is 2 ft longer than the height . the volume is 60 ft ^3 what are the dimensions of the box
The dimensions of the plastic box are: Height = 3 feet, Width = 5 feet, Length = 5 feet.
Let's assume the height of the plastic box is represented by "h" feet.
According to the given information:
The width is 2 feet longer than the height, so the width is (h + 2) feet.
The length is 2 feet longer than the height, so the length is (h + 2) feet.
The volume of the box is given as 60 ft^3. The volume of a rectangular box is calculated by multiplying its length, width, and height.
Therefore, we can set up the equation:
Volume = Length * Width * Height
60 = (h + 2) * (h + 2) * h
Expanding and rearranging the equation, we get:
60 = h^3 + 4h^2 + 4h + 4h + 4
60 = h^3 + 4h^2 + 8h + 4
Now, we need to solve this cubic equation to find the value of "h" (height).
By trial and error, we can find that h = 3 is a solution to the equation.
Therefore, the height of the box is 3 feet.
Using this value, we can calculate the width and length:
Width = h + 2 = 3 + 2 = 5 feet
Length = h + 2 = 3 + 2 = 5 feet
So, the dimensions of the plastic box are:
Height = 3 feet
Width = 5 feet
Length = 5 feet
To learn more about equation visit;
https://brainly.com/question/10413253
#SPJ11
A manager wants to rearrange the shelves into 3 identical rows of short and tall shelves in each row
The manager plans to rearrange the shelves into three rows, each containing an equal number of short and tall shelves. This arrangement will ensure a balanced and organized display.
The manager's decision to rearrange the shelves into three identical rows, consisting of short and tall shelves, is aimed at achieving a balanced and visually appealing display. By distributing the shelves equally across the rows, the manager can create a sense of symmetry and order in the store. This arrangement allows customers to easily navigate through the shelves, ensuring a smooth shopping experience.
Organizing the shelves into three rows also provides an opportunity to strategically place different types of items. For example, the manager can group similar products together, such as placing books on one row, electronics on another, and home decor on the third. This arrangement facilitates better categorization and improves the overall aesthetics of the store.
Furthermore, having a mix of short and tall shelves in each row offers a variation in display heights. This not only adds visual interest but also maximizes the use of available space. By utilizing both short and tall shelves, the manager can effectively showcase a range of products, including items of various sizes and shapes.
In conclusion, the decision to rearrange the shelves into three identical rows, consisting of short and tall shelves, serves to enhance the organization and aesthetics of the store. This balanced arrangement allows for better categorization, improved visual appeal, and optimal utilization of space, ultimately creating an inviting shopping environment for customers.
Learn more about rearrange here:
https://brainly.com/question/532042
#SPJ11