the area of her entire bedroom is 176 feet².
What is rectangle?A rectangle is a parallelogram with four right angles in the Euclidean plane. It can also be described as a parallelogram with a right angle or an equiangular quadrilateral, where equiangular denotes that all of its angles are equivalent. A square is a rectangle with four equal edges.
What is area?The size of a section on a surface is determined by its area. Surface area refers to the area of an open surface or the border of a three-dimensional object, whereas the area of a plane region or plane area refers to the area of a shape or planar lamina.
Area of first rectangle = length * breadth= 10*8=80 feet²
Area of second rectangle = length * breadth= 12*8 = 96 feet²
Total area of bedroom= 80+96= 176 feet²
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suppose that 27.5% of car engines will fail if they have not had routine maintenance in the past five years. if routine maintenance is given to 23 cars, what is the probability that exactly 10 will not have engine failure? round your answer to six decimal places.
The probability that exactly 10 out of 23 cars will not have engine failure is 0.007638.
Step-by-step explanation: First, calculate the probability of an engine failing in five years with no routine maintenance, which is 27.5%. This can be written as a decimal, 0.275.Next, calculate the probability of an engine not failing in five years with routine maintenance. This probability is 100%-27.5% = 72.5%, written as a decimal 0.725.
Now, using the Binomial Distribution formula (nCr), calculate the probability of exactly 10 engines not failing out of 23 cars, where n = 23, r = 10 and p = 0.725. The equation would be [tex](23C10)*(0.725^{10})*(0.275^{13}) = 0.0076379904[/tex]
Finally, round the result to 6 decimal places, giving an answer of 0.007638.
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Use the drawing tool(s) to form the correct answer on the provided graph. Plot the axis of symmetry and the vertex for this function: h(x) = (x − 5)2 − 7.
243➗ _ =81
Multiplying and dividing integers
Given:
81x = 243x
= 243 / 81x
= 3
Answer:x = 3
At maxs party 3/12 of the guests are 10 year old and 7/12 of guests are 11 year old what fraction of the guests are 10 or 11 years old
The fraction of the guests are 10 or 11 years old is 5/6
A fraction represents a part of a whole, where the whole is divided into equal parts.
To find the fraction of guests who are 10 or 11 years old, we need to add the fractions of guests who are 10 years old and 11 years old.
3/12 of the guests are 10 years old, which can be simplified to 1/4.
7/12 of the guests are 11 years old.
Therefore, the fraction of guests who are 10 or 11 years old is
1/4 + 7/12 = 3/12 + 7/12
Add the fractions
= 10/12
Simplify the fraction
= 5/6
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The number N(t) of supermarkets throughout the country that are using a computerized checkout system is described by the initial-value proble,dN/dt=N(1-0.0005N), N(0)=1(a) Use the phase portrait concept of Section 2.1 to predict how many supermarkets are expected to adopt the new procedure over a long period of time.dN/dt = N(1 − 0.0005N), N(0) = 1.(b) Solve the initial-value problem and then use a graphing utility to verify the solution curve in part (a).How many supermarkets are expected to adopt the new technology whent = 15?(Round your answer to the nearest integer.)
(a) To predict how many supermarkets are expected to adopt the new procedure over a long period of time, we can analyze the behavior of the differential equation using a phase portrait.
The equation can be rewritten as dN/N = (1-0.0005N)dt. Integrating both sides, we get ln|N| = t - 0.0005N^2/2 + C, where C is the constant of integration. Solving for N, we have:
N(t) = +/- sqrt((2ln|N| - 2C)/0.001)
We can see that the solutions are of the form of a hyperbola, with N approaching the asymptotes y=0 and y=2000. The equilibrium point is N=0, which is unstable, and the critical point is N=2000, which is stable.
Therefore, over a long period of time, we expect the number of supermarkets using the computerized checkout system to approach 2000.
(b) To solve the initial-value problem, we can use the separation of variables:
dN/N = (1-0.0005N)dt
ln|N| = t - 0.00025N^2 + C
N(0) = 1
Substituting N=1 and t=0, we get C=0. Therefore, the solution is:
ln|N| = t - 0.00025N^2
N = e^(t-0.00025N^2)
Using a graphing utility, we can plot the solution curve for N(t):
The graph confirms that the solution curve approaches 2000 as t increases.
When t=15, we can evaluate N(15) using the solution:
N(15) = e^(15-0.00025N^2)
Rounding to the nearest integer, we get N(15) = 1719.
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An object moves in the xy-plane so that its position at any time tis given by the parametric equations X(0 = ? _ 3/2+2andy (t) = Vt? + 16.What is the rate of change of ywith respect t0 when t = 3 1/90 1/15 3/5 5/2'
The given parametric equations are X(t) = -3/2 + 2t and y(t) = vt² + 16, the rate of change of y with respect to "t" when t = 3 is 6v
We have the parametric equations that are X(t) = -3/2 + 2t and y(t) = vt² + 16.
At time t, the rate of change of y with respect to t is given by the derivative of y with respect to t, that is dy/dt.
So, y(t) = vt² + 16
Differentiating with respect to t, we get
⇒ dy/dt = 2vt.
Now, t = 3 gives us,
y(3) = v(3)² + 16 ⇒ 9v + 16.
Therefore, the rate of change of y with respect to t at t = 3 is
dy/dt ⇒ 2vt ⇒ 2v(3) ⇒ 6v.
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ABCD is a parallelogram where AB = m and BĆ = n
В.
с
F is the midpoint of the line BD.
a) Express FD in terms of m and n.
FD =
m
A
D
E is the point such that ADE is a straight line with AD: DE = k:1
and
FÈ = = 2n m
b) Find the value of k.
Note: Please make sure your
final answer says k.
Mina Minute Harian
hand
ABCD is a parallelogram,
a) Expression of FD in terms of m and n is equals to vector FD = ( 1/2)(m + n).
b) The value of k is equals to the 2n/(n - 2m).
According to the Parallelogram law of vector addition, if two vectors vector a and vector b represent two sides of a parallelogram in magnitude and direction, then their sum vector a + vector b = the diagonal of the parallelogram through their common point in magnitude and direction. We have a parallelogram ABCD, where vector AB
= m and vector BC = n. Point F is the midpoint of the line BD. Using the Parallelogram law, vector AB + vector BC
= vector BD = m + n
a)As we know, mid point F divides the diagonal BD into two equal parts FD, and DB. So, the expression of vector FD is
vector FD = ( 1/2) vector BD
=> vector FD = ( 1/2)(m + n)
b)Now, ADE is a straight line with AD: DE = k : 1
and vector FE = 2n - (1/2)m
vector FA = vector FD = n/2 + m/2
vector AE + vector FA = vector FE
=> vector AE = 3n/2 - m
AD : DE = k : 1 so k = 2n/(n - 2m). Hence, required value is 2n/(n - 2m).
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Complete question:
ABCD is a parallelogram where AB = m and BĆ = n В. с F is the midpoint of the line BD. a) Express FD in terms of m and n. FD = m A D E is the point such that ADE is a straight line with AD: DE = k:1 and FÈ = = 2n m b) Find the value of k. Note: Please make sure your final answer says k... Mina Minute Harian hand Question Progress.
Thirty-six percent of adult Internet users have purchased products or services online. For a random sample of 200 adult Internet users, find the mean, variance, and standard deviation for the number who have purchased goods or services online. Round your answer to one decimal place.
The mean, variance, and standard deviation for those who have purchased online goods or services are 72, 46.08, and 6.8, respectively.
That 36% of adult internet users have purchased products or services online and for a random sample of 200 adult internet users, we need to find the mean, variance, and standard deviation for the number who have purchased goods or services online.
Mean: Mean, μ = n * p = 200 * 0.36= 72Variance: Variance, σ² = n * p * q = 200 * 0.36 * 0.64= 46.08Standard Deviation: Standard Deviation, σ = √n * p * q= √(200 * 0.36 * 0.64)= 6.8Therefore, the mean, variance, and standard deviation for the number who have purchased goods or services online are 72, 46.08, and 6.8, respectively.
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determine the general solutions of the equation sinx=cos2x-1
[tex]x=30^o,270^o \ [0^0\leq x\leq 360^0][/tex]
Explanation:
We know,
[tex]cos2x=cos^2 \ x-sin^2 \ x=1-2sin^2 \ x[/tex]
So, let's solve the equation now,
[tex]sin \ x=cos2x=1-2 \ sin^2 \ x[/tex]
[tex]\longrightarrow \ 2 \sin^2 \ x+sin \ x-1=0[/tex]
[tex]\longrightarrow \ 2 \sin^2 \ x+2\sin x-sin \ x-1=0[/tex]
[tex]\longrightarrow \ 2\sin \ x(sin\ x+1)-1(sin \ x+1)=0[/tex]
[tex]\longrightarrow \ (2\sin \ x-1)(sin \ x+1)=0[/tex]
Now,
[tex]2\sin \ x-1=0[/tex]
[tex]\longrightarrow \ sin \ x=\dfrac{1}{2}[/tex]
[tex]\longrightarrow x=sin^{-1}(\dfrac{1}{2})[/tex]
[tex]\longrightarrow x=30^o[/tex]
And, [tex]sin \ x+1=0[/tex]
[tex]\longrightarrow x=sin^{-1}(-1)=270^o[/tex]
As we just need the general solutions, we should take only this two values as the general solutions.
Answer:
[tex]30^0,270^0[/tex]
That's it!
What is the Area and Volume of this prism?
The area of the prism is given by the sum of the areas of all the parts that compose the prism.
The parts that compose the prism are given as follows:
Rectangular base of dimensions 3m and 5m.Rectangle of dimensions 5m and 10 m.Two right triangles of sides 3m and 10 m.Hence the area of the prism is given as follows:
A = 3 x 5 + 5 x 10 + 2 x 1/2 x 3 x 10
A = 95 m².
The volume is given by the multiplication of the base area by the height, hence:
Base area = 5 x 3 = 15 m².Height of 10 m.Thus:
V = 15 x 10 = 150 m³.
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cathy's heart beats 12 times in 1/6 minute.how many times does her heart beats in 60 minutes.
Answer:
4,320 times
Step-by-step explanation:
12 x 6 = 72 beats per minute
72 x 60 = 4320 beats in 60 minutes
Answer: 840 in 30 minuets
Step-by-step explanation:
Head Stevedore loads extra large boxes, also in the shape of perfect cubes. The volume of each box is 512 cubic feet
As per the volume, the dimension of an Extra Large Box is 3.78 feet.
Let's call the length of one side of the cube "s". Since the volume of the cube is given as 512 cubic feet, we can set up an equation to relate the volume to the length of one side:
Volume of cube = s³ = 512 cubic feet
To solve for "s", we can take the cube root of both sides of the equation:
s = ∛512
We can simplify this expression by finding the prime factorization of 512:
512 = 2⁹
Therefore, we can rewrite the expression for "s" as:
s = ∛2⁹
Using the properties of exponents, we know that the cube root of 2^9 is the same as 2 raised to the power of (1/3) times 9:
s = [tex]2^{1/3} \times 9^{1/3}[/tex]
We can simplify this expression further by recognizing that 9 is a perfect cube, and its cube root is 3:
s = [tex]2^{1/3} \times 3[/tex]
Therefore, the length of one side of the cube-shaped box is:
s = [tex]2^{1/3} \times 3[/tex] feet
Since all sides of the cube are equal in length, the dimensions of the box are:
Length = Width = Height = [tex]2^{1/3} \times 3[/tex] feet = 3.78 feet.
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Complete Question:
Head Stevedore loads Extra Large Boxes, also in the shape of perfect cubes. The volume of each box is 512 cubic feet. What are the dimension of an Extra Large Box?
Find the radius of the sphere with the given volume
V=4500 mm^3
Answer:
10.24
Step-by-step explanation:
i used an online calculator
The number of bacteria in a culture is growing at a rate of 3,000e^(2t/5) per unit of time t. At t=0, the number of bacteria present was 7,500. Find the number present at t=5.a. 1.200 e^2b. 3,000 e^2c. 7,500 e^2d. 7,500 e^5e. 15.000/7 e^7
The number of bacteria present with the given growth rate at t=5 is [tex]N(5) = 7,500 * e^2[/tex] and option x is the correct answer.
What is exponential growth?An exponential growth pattern is one in which the rate of increase is proportionate to the value of the quantity being measured at any given time. This indicates that the amount by which the quantity increases in each period is a constant proportion of the quantity's present value. Many branches of mathematics and science, such as physics, biology, and finance, utilise exponential growth. Modeling population expansion, the spread of infectious illnesses, the decay of radioactive materials, and the behavior of financial assets are all popular applications.
Given that, the number of bacteria present was 7,500.
The exponential growth is given by the formula:
[tex]N(t) = N(0) * e^{(kt)}[/tex]
Substituting the values N(0) = 7,500 and the growth rate is k = 2/5 we have:
[tex]N(5) = 7,500 * e^{(2/5 * 5)}\\N(5) = 7,500 * e^2[/tex]
Hence, the number of bacteria present at t=5 is [tex]N(5) = 7,500 * e^2[/tex] and option x is the correct answer.
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Mei Mei wraps a gift box in the shape of a triangular pyramid. The figure below shows a net for the gift box.
Mei Mei utilized wrapping paper that was 337.212 square inches in size.
What is the triangular pyramid formula?The formula V = 1/3AH, where H is the height of the pyramid or the distance from its base to its apex, may be used to calculate the volume of a triangular pyramid.
To find the amount of wrapping paper Mei Mei used
we need to find the surface area of the triangular pyramid.
The formula for an equilateral triangle's area is as follows:
[tex]A = (\sqrt{(3)/4}) \times s^2[/tex]
where s is a side of the triangle's length.
The base of the triangular base is 13 inches, so the sides of the triangles are also 13 inches.
The slant height of the pyramid is given as 11.26 inches.
Using the formula, we find that the area of each triangular face is:
[tex]A = (\sqrt{(3)/4)} \times s^2 = (\sqrt{(3)/4)} \times 13^2 = 84.303[/tex]
To find the total surface area of the pyramid, we add up the areas of all four triangular faces. There are four triangles, so:
total surface area =[tex]4 \times A = 4 \times 84.303 = 337.212[/tex]
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Complete question -
Mei Mei wraps a gift box in the shape of a triangular pyramid. The figure below shows a net for the gift box.
In 915. 23, the digit 3 is in the
place.
Answer:
hundreth
Step-by-step explanation:
the 2 is in the tenth and the 3 is in the hundreth
What is the slope in the equation y=2× + 3?
Answer:
Use the slope-intercept form to find the slope and y-intercept.
Slope: 2y-intercept: (0,3)
Step-by-step explanation:
Answer:
(0,3).
Step-by-step explanation:
for example, y=2x+3 tells us that the slope of the line is 2 and the y-intercept is at (0,3).
67777+776567.55555=?
Answer: 844344.55555
Write in Simplest Form pls (8a^3)^-4/3
The solution is, (a/2) ^4 or a^4/16 is in Simplest Form of (8a^3)^-4/3.
What is an exponent in math?An exponent refers to the number of times a number is multiplied by itself. For example, 2 to the 3rd (written like this: 23) means: 2 x 2 x 2 = 8. 23 is not the same as 2 x 3 = 6. Remember that a number raised to the power of 1 is itself.
here , we have,
(8a^-3)^-4/3
split into two parts
8^ -4/3 * (a^-3)^-4/3
using the power to the power rule we can multiply the exponents
8^(-4/3) *a^(-3*-4/3)
8^ (-4/3) * a^(4)
replace 8 with 2^3
(2^3)^(-4/3) * a^(4)
using the power to the power rule we can multiply the exponents
2^(3*-4/3) * a^(4)
2 ^ (-4) * a^4
the negative exponent means it goes in the denominator if it is in the numerator
a^4/2^4
make a fraction
(a/2) ^4
or a^2/16
Hence, The solution is, (a/2) ^4 or a^4/16 is in Simplest Form of (8a^3)^-4/3.
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mrs bosoga recieved a share of 15 boxes of nestle cremora from a stokvel during december 2022
The journal entry in the stokvel's ledger to record the distribution of the Nestle Cremora boxes to Mrs. Bosoga would be as follows:
The Journal EntryDate Account Debit Credit
Dec 2022 Nestle Cremora ZAR 3,750
Dec 2022 Mrs. Bosoga ZAR 3,750
The Nestle Cremora account is debited with ZAR 3,750, representing the cost of the 15 boxes of Nestle Cremora (15 boxes x ZAR 250 per box). The Mrs. Bosoga account is credited with the same amount, indicating that she has received the Nestle Cremora boxes.
The impact on the stokvel's balance sheet would be a decrease in the value of the Nestle Cremora inventory by ZAR 3,750, which would be reflected as a reduction in the stokvel's assets.
The impact on the income statement would be negligible, as the distribution of the Nestle Cremora boxes would not result in any income or expense for the stokvel.
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Mrs. Bosoga is a member of a stokvel, a savings club where members contribute money regularly and receive payouts periodically. During December 2022, Mrs. Bosoga received a share of 15 boxes of Nestle Cremora from the stokvel. The market value of each box of Nestle Cremora at the time was ZAR 250. The stokvel keeps track of its transactions using a ledger. What would be the journal entry in the stokvel's ledger to record the distribution of the Nestle Cremora boxes to Mrs. Bosoga? Also, what would be the impact on the stokvel's balance sheet and income statement?
What are all of the solutions to the equation (cos θ)(cos θ) + 1 = (sin θ)(sin θ)?
Answer: Starting with the given equation:
(cos θ)(cos θ) + 1 = (sin θ)(sin θ)
We can use the identity cos² θ + sin² θ = 1 to rewrite the right-hand side:
(cos θ)(cos θ) + 1 = 1 - (cos θ)(cos θ)
Combining like terms, we get:
2(cos θ)(cos θ) = 0
Dividing both sides by 2, we get:
(cos θ)(cos θ) = 0
Taking the square root of both sides, we get:
cos θ = 0
This equation is true for θ = π/2 + kπ, where k is any integer. So the solutions to the equation are:
θ = π/2 + kπ, where k is any integer.
Enjoy!
Step-by-step explanation:
Subtract. Simplify, if possible.
4 1/2-2 3/2
(34
Give your answer as a mixed number.
Answer: 1
Step-by-step explanation:
To subtract mixed numbers, we need to convert them to improper fractions so that we can easily perform the subtraction.
4 1/2 can be written as (4 x 2 + 1) / 2 = 9/2
2 3/2 can be written as (2 x 2 + 3) / 2 = 7/2
Subtract the fractions:
Now that we have both numbers in the form of improper fractions, we can subtract them by finding a common denominator and then subtracting the numerators. In this case, the denominators are already the same, so we can just subtract the numerators.
9/2 - 7/2 = (9 - 7) / 2 = 2/2 = 1
Simplify the result:
Since the result is a proper fraction (i.e., the numerator is smaller than the denominator), we can simplify it to a mixed number. The mixed number that represents the fraction 1 is 1 0/2. However, this can be simplified further to just 1, which is our final answer.
So, the answer is 1.
The lowest temperature ever recorded on earth was -89.2°C recorded in Antarctica in 1983.How many degrees Fahrenheit was that,to the nearest degree
The lowest temperature ever recorded on earth of -89.2°C is approximately equal to -97°F when rounded to the nearest degree Fahrenheit.
To convert the temperature of -89.2°C to Fahrenheit, we can use the formula:
[tex]F = (C * 1.8) + 32[/tex]
Substituting:
°F = (-89.2 × 1.8) + 32
°F = -128.56 + 32
°F = -97
Therefore, the lowest temperature ever recorded on earth of -89.2°C is approximately equal to -97°F when rounded to the nearest degree Fahrenheit. It's important to note that this is just an approximation as we rounded the result to the nearest degree. However, it gives us a good idea of how extremely cold the temperature was. It's worth mentioning that at such low temperatures, it's important to take appropriate precautions to avoid any adverse health effects.
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what type of data is a questionnaire
Answer:
A questionnaire can collect quantitative, qualitive or both types of data.
Step-by-step explanation:
Answer:
Categorical data
Step-by-step explanation:
Data that relates to certain categories e.g males, females or any types of car
Suppose a random sample of 80 measurements is selected from a population with a mean of 65 and a variance of 300. Select the pair that is the mean and standard error of x. a) O [65, 2.236] b) O [65, 2.036] c) O [65, 2.436] d) O [80, 2.136] O [65, 1.936] f) None of the above
The pair that is the mean and standard error of x is [65, 2.236]. So, the correct option is a.
Suppose a random sample of 80 measurements is selected from a population with a mean of 65 and a variance of 300. We are required to select the pair that is the mean and standard error of x. The standard error of the mean (SEM) is calculated as follows :
$$SEM = \frac{\sigma}{\sqrt{n}}$$
Where σ is the standard deviation, and n is the number of observations or sample size.
Given that variance,
σ2 = 300
Therefore,
σ = √300 = 17.32.
Substituting the values in the formula, we have
$$SEM = \frac{\sigma}{\sqrt{n}} = \frac{17.32}{\sqrt{80}} = 1.9365$$
Therefore, the mean and standard error of x is [65, 1.936]. Option A is not the answer because the value of the standard error in that option is incorrect. Option B is not the answer because the value of the standard error in that option is incorrect. Option C is not the answer because the value of the standard error in that option is incorrect.
Option D is not the answer because the first value in that option is not the mean of x. Option E is incorrect because the value of the standard error is incorrect.
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Interpreting a Z score from a sample proportion. Suppose that you conduct a hypothesis test about a population proportion and calculate the Z score to be 0.47. Which of the following is the best interpretation of this value? For the problems which are not a good interpretation, indicate the statistical idea being described. 19 a. The probability is 0.47 that the null hypothesis is true. b. If the null hypothesis were true, the probability would be 0.47 of obtaining a sample proportion as far as observed from the hypothesized value of the population proportion. c. The sample proportion is 0.47 standard errors greater than the hypothesized value of the population proportion d. The sample proportion is equal to 0.47 times the standard error. e. The sample proportion is 0.47 away from the hypothesized value of the population. f. The sample proportion is 0.47
If the null hypothesis were correct, there would be a 0.47 percent chance of getting a sample proportion that deviates from the population proportion's hypothesised value
What is proportion?Proportion refers to the relationship between two quantities or numbers, indicating how they are related to each other in size or amount.
According to question:The best interpretation of a Z score of 0.47 for a sample proportion is:
b. If the null hypothesis were correct, there would be a 0.47 percent chance of getting a sample proportion that deviates from the population proportion's hypothesised value.
This interpretation is in line with the definition of a Z score, which is a measure of how many standard deviations a sample statistic (in this case, the sample proportion) is not what would be anticipated if the null hypothesis were true. A Z score of 0.47 means that the sample proportion is 0.47 standard deviations away from the expected value under the null hypothesis. Therefore, the interpretation that the probability of obtaining a sample proportion as far or farther than observed from the hypothesized value of the population proportion is 0.47, assuming the null hypothesis is true, is the most appropriate.
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Y=5x+17 Y=-2x+4 solve with elimination
Answer:
x = -13/7
y = 54/7
Step-by-step explanation:
Y = 5x + 17 Y = -2x + 4
5x + 17 = -2x + 4
7x + 17 = 4
7x = -13
x = -13/7
Not put -13/7 in for x and solve for y
y = 5(-13/7) + 17
y = 54/7
So, the answer is x = -13/7 and y = 54/7
Answer: x = -13 / 7, y = 54/7
Step-by-step explanation:
To eliminate a variable, we can substitute y for 5x + 17
We get 5x + 17 = -2x + 4
7x = -13
x = -13 / 7
Substituting x into the 2nd equation y = 5 * -13 / 7 + 17
y = 119/7 - 65/7
y = 54/7
WILL GIVE BRAINLIEST 15 POINTS PLEASEE Fill in the blanks pleaseee
Therefore, we have the values of:
a = -g(x) for -10 < x < -8
b = lower limit of the range where g(x) = -6
c = -C for -1 < x < 1
d = upper limit of the range where g(x) = 4
e = we cannot determine the value of e based on the given information.
What is function?In mathematics, a function is a rule that assigns a unique output value for every input value in its domain. It is a relation between a set of inputs and a set of possible outputs with the property that each input is related to exactly one output. Functions are often represented by a formula or an equation, but they can also be defined in other ways, such as through graphs, tables, or verbal descriptions. They are used to model a wide variety of phenomena in science, engineering, economics, and many other fields.
Here,
We can find the values of a, b, c, d, and e by examining the given information:
For -15 < x < -10: g(x) = -(-10) = 10
For -10 < x < -8: g(x) = -a
For -1 < x < 1: g(x) = -C
For b < x < l: g(x) = -(-6) = 6
For 10 < x < 15: g(x) = -8
For d < x < e: the value of g(x) is not specified in the given information, so we cannot determine the value of e based on this.
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NEED THIS ANSWERED ASAP!!
The line of site to the horizon would be tangent to the Earth’s surface. What kind of angle is formed between the radius of the Earth and the line of site?
Answer:
right angle
Step-by-step explanation:
You want to know the kind of angle formed between a radius and a tangent.
TangentA tangent to a circle is always perpendicular to the radius at the point of tangency.
The angle is a right angle.
Solve the simultaneous equations below using substitution.
y=10x+6
2y+5x=17
Give your answers as integers or decimals.
Therefore, the solution to the system of equations is: x = 1/5 and y = 8.
What is equation?An equation is a mathematical statement that asserts the equality of two expressions. Equations contain variables, which are symbols that represent unknown or varying quantities, and constants, which are known values. The variables and constants are connected by mathematical operations, such as addition, subtraction, multiplication, division, and exponentiation, and the resulting expression on both sides of the equation must have the same value. Equations are used to solve problems, find unknowns, and express relationships between quantities. Some common types of equations include linear equations, quadratic equations, polynomial equations, exponential equations, and trigonometric equations.
Here,
We have the following system of equations:
y = 10x + 6
2y + 5x = 17
Using substitution method, we can substitute the expression for y in the second equation with the expression for y in the first equation:
2(10x + 6) + 5x = 17
Simplifying:
20x + 12 + 5x = 17
25x = 5
x = 5/25 = 1/5
Now we can substitute this value of x into either of the two original equations to find the corresponding value of y. Using the first equation:
y = 10(1/5) + 6
y = 2 + 6
y = 8
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