a) The x-value must be 9.
b) Another two points are (0, 15) and (15, 0)
How to find the x-coordinate?We know that our circle has a radius of 15 units, and point C lies on the circle, we can write that point as:
(x, 12)
Because C lies on the circle, the distance to the center (0, 0) must be 15 units, then we can write.
D = √( (x - 0)² + (12 - 0)²) = 15
Let's solve that for x:
√(x² + 144) = 15
x² + 144 = 15²
x = √(15² - 144)
x = 9
The point is (9, 12)
b) Trivially, another two points on that circle are (15, 0) and (0, 15), both a distance of 15 units of the origin.
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a cone with equal height and radius has volume 1234 cm³. what is the height of the cone to the nearest tenth of a centimetre?
The height is equal to the radius, the height of the cone to the nearest tenth of a centimetre is 14.98 cm. A cone with equal height and radius has volume 1234 cm³. To find the height of the cone, we will use the formula for the volume of a cone: V = 1/3πr²h
A cone with equal height and radius has volume 1234 cm³. To find the height of the cone, we will use the formula for the volume of a cone: V = 1/3πr²h
where: V is the volume of the cone, π is pi (3.14), r is the radius of the cone, h is the height of the cone
We are given that the height and radius of the cone are equal, so we can substitute r for h. Also, we know the volume of the cone is 1234 cm³. So:
1234 = 1/3πr²h
1234 = 1/3πr²(r)
1234 = 1/3πr³ (since r = h)
Now we can solve for r: 1234 * 3 / π = r³
3747.22 = r³
r ≈ 14.98 cm
Since the height is equal to the radius, the height of the cone to the nearest tenth of a centimetre is 14.98 cm.
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The area of the base of a rectangular prism is 4 3/4 and the height is 2 1/3 Determine the volume of the rectangular prism
The volume of the rectangular prism is 11 1/12 b cubic units.
Given that the area of the base of a rectangular prism is 4 3/4 and the height is 2 1/3. We have to find the volume of the rectangular prism. Volume of the rectangular prism: The volume of the rectangular prism is given by the formula; V = l × b × h Where, l = length b = breadth h = height Let the length of the rectangular prism be "l" units and breadth be "b" units.
Then, Area of the base = l b = 4 3/4 = 19/4 sq. units Height of the rectangular prism = 2 1/3 = 7/3 units Volume of the rectangular prism = l × b × h= l b h= 19/4 × b × 7/3= 133/12 × b cubic units= 11 1/12 b cubic units
Hence, the volume of the rectangular prism is 11 1/12 b cubic units.
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Jennifer has built a shelf which can safely support 16. 40 pounds. If there are 2. 20462 pounds in a kilogram, how many kilograms can Jennifer’s shelf support? a. 7. 44 kg b. 13. 44 kg c. 32. 42 kg d. 36. 16 kg.
Weight limit of the shelf = 16.40 pounds. Conversion factor: 1 pound = 2.20462 kilograms. Among the given options, the closest value to 7.441 kilograms is option a) 7.44 kg(Answer).
To determine how many kilograms Jennifer's shelf can support, we need to convert the weight limit from pounds to kilograms. To convert pounds to kilograms, we divide the weight in pounds by the conversion factor: Weight limit in kilograms = 16.40 pounds / 2.20462 kilograms per pound. Calculating the weight limit in kilograms: Weight limit in kilograms ≈ 7.441 kilograms. Therefore, Jennifer's shelf can safely support approximately 7.441 kilograms. Among the given options, the closest value to 7.441 kilograms is option a) 7.44 kg. Option b) 13.44 kg is too high, option c) 32.42 kg is significantly higher, and option d) 36.16 kg is also higher than the calculated weight limit.
Thus, the correct answer is option a) 7.44 kg, as it is the closest approximation to the weight limit of Jennifer's shelf.
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What is the most likely outcome when trade barriers between two nations, such as quotas and tariffs, are removed
When trade barriers such as quotas and tariffs are removed between two nations, the most likely outcome is an increase in international trade and economic integration. Here are some key potential outcomes:
Increased Exports and Imports: Removal of trade barriers allows businesses in both nations to freely export and import goods and services, leading to an expansion of trade volume between the two countries. Economic Growth: Increased trade often leads to economic growth as businesses have access to larger markets, enabling them to increase production, create jobs, and generate more revenue. Consumer Benefits: Removal of trade barriers can result in greater consumer choice and lower prices. With increased competition from foreign markets, domestic industries may need to become more efficient and offer competitive prices and quality to attract customers.
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6. At a medical convention, there are 7 pediatricians, 5 cardiologists, 3 nurses and
4 dermatologists. If a participant is selected at random, what is the probability
of selecting a pediatrician or a cardiologist?
The probability of selecting a pediatrician or a cardiologist at a medical convention can be found by adding the probabilities of selecting each. The probability is 12/19 or approximately 0.63.
The total number of participants at the medical convention is 7 + 5 + 3 + 4 = 19.
The probability of selecting a pediatrician is 7/19, since there are 7 pediatricians out of 19 participants.
The probability of selecting a cardiologist is 5/19, since there are 5 cardiologists out of 19 participants.
Since we are looking for the probability of selecting a pediatrician or a cardiologist, we can add these probabilities together:
P(pediatrician or cardiologist) = P(pediatrician) + P(cardiologist)
P(pediatrician or cardiologist) = 7/19 + 5/19
P(pediatrician or cardiologist) = 12/19
Therefore, the probability of selecting a pediatrician or a cardiologist is 12/19, or approximately 0.63 (rounded to two decimal places).
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Suppose that the function f(x) = 5.32 + 0.80x represents the cost of mailing an object that weighs x pounds. What is f(36)?
The value of function at x = 36 is 34.12.
To find the cost of mailing an object that weighs 36 pounds, we can substitute the value of x into the function f(x) = 5.32 + 0.80x.
The function f(x) = 5.32 + 0.80x represents a linear relationship between the weight of the object (x) and the cost (f(x)) with a base cost of $5.32 and an additional cost of $0.80 per pound. By plugging in the value of 36 into the function, we can calculate the specific cost for that weight.
Plugging in x = 36, we have:
f(36) = 5.32 + 0.80 * 36
Simplifying the expression:
f(36) = 5.32 + 28.8
f(36) = 34.12
Therefore, f(36) is equal to 34.12. This means that it would cost $34.12 to mail an object weighing 36 pounds according to the given function.
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A brand of cereal had 1. 21. 21, point, 2 milligrams (\text{mg})(mg)left parenthesis, start text, m, g, end text, right parenthesis of iron per serving. Then they changed their recipe so they had 1. 8\,\text{mg}1. 8mg1, point, 8, start text, m, g, end text of iron per serving. What was the percent increase in iron?.
The percent increase in iron content after the recipe change for the cereal is approximately 35.56%.
To calculate the percent increase in iron content, we need to find the difference between the new iron content (1.8 mg) and the original iron content (1.21 mg). The difference is 1.8 - 1.21 = 0.59 mg. Then, we divide this difference by the original iron content (1.21 mg) and multiply by 100 to get the percentage increase: (0.59 / 1.21) × 100 ≈ 35.56%.
This means that the iron content of the cereal increased by approximately 35.56% after the recipe change. To calculate the percent increase, we compare the difference between the new and original values to the original value. In this case, the original iron content was 1.21 mg, and the new iron content is 1.8 mg. The difference between these two values is 1.8 - 1.21 = 0.59 mg. To find the percentage increase, we divide this difference (0.59 mg) by the original value (1.21 mg) and multiply by 100.
The resulting value, 0.59 / 1.21 ≈ 0.4876, represents the proportion of increase. Multiplying it by 100 gives us the percentage increase, which is approximately 48.76%. Therefore, the iron content increased by approximately 48.76% after the recipe change.
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A group of 5 friend were bowling one Saturday night. There are 10 pins in bowling and 10 frames for each bowler. If every bowler knocked every pin down every frame, how many pins would be knocked down?
250 pins would be knocked down.
In bowling, a single bowler would knock down all ten pins in every frame; thus, a total of 10 frames will result in 100 knocked down pins for each bowler. So, five bowlers each knocking down 100 pins would result in a total of 500 pins knocked down. Consequently, all 50 pins would be knocked down in total (100 pins per bowler × 5 bowlers), which amounts to 250 knocked down pins.
Therefore, the main answer is 250 pins would be knocked down.
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Julia writes 2 fractions with the same denominator that have numerators 8 and 2 . What could the denomination be if the sum is less than 1.?Equal to 1? Greater than 1?
If the sum of the fractions is less than 1, the denominator could be any number greater than 10. If the sum is equal to 1, the denominator must be 10. If the sum is greater than 1, the denominator must be less than 10.
To find a denominator that satisfies the given conditions, we can consider the fractions with numerators 8 and 2. If the sum of these fractions is less than 1, the denominator could be any number greater than 10. If the sum is equal to 1, the denominator must be 10. If the sum is greater than 1, the denominator must be less than 10.
To determine the possible denominators that satisfy the conditions, we need to consider the given numerators of 8 and 2. Since the fractions have the same denominator, let's denote it as 'd'. The fractions can be written as 8/d and 2/d.
If the sum of these fractions is less than 1, we have:
8/d + 2/d < 1
Combining the fractions, we get:
(8 + 2)/d < 1
Simplifying, we have:
10/d < 1
To satisfy this inequality, the denominator 'd' can be any number greater than 10. For example, if we choose d = 11, the fractions become 8/11 and 2/11, and their sum is 10/11, which is less than 1.
If the sum of the fractions is equal to 1, we have:
8/d + 2/d = 1
Combining the fractions, we get:
10/d = 1
Solving for 'd', we find that the denominator must be 10. For example, if we choose d = 10, the fractions become 8/10 and 2/10, and their sum is 10/10, which is equal to 1.
If the sum of the fractions is greater than 1, we have:
8/d + 2/d > 1
Combining the fractions, we get:
10/d > 1
To satisfy this inequality, the denominator 'd' must be less than 10. For example, if we choose d = 9, the fractions become 8/9 and 2/9, and their sum is 10/9, which is greater than 1.
In summary, if the sum of the fractions is less than 1, the denominator could be any number greater than 10. If the sum is equal to 1, the denominator must be 10. If the sum is greater than 1, the denominator must be less than 10.
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if the intrest earned on a account after 2 years is $15, how much would it be after 10 year? Why?
The amount after 10 years with a principal of $100 and interest rate of 7% compounded annually would be $196.72.
The term "amount" refers to the quantity or total of something. It is a general term used to describe the measure or magnitude of a particular quantity. The specific context in which "amount" is used determines what it is referring to.
For example:
In finance and accounting, "amount" often refers to a monetary value or sum of money. It can represent the total of a bill, an invoice, a balance, or a transaction.
In mathematics, "amount" can be used to describe the result of a calculation or the value of a quantity. For instance, the amount of money in a bank account after a series of deposits and withdrawals.
In everyday language, "amount" can refer to a general quantity or measure of something, such as the amount of food in a recipe, the amount of time spent on a task, or the amount of rainfall in a particular area.
Given that the interest earned on an account after two years is $15. We need to find out how much it would be after 10 years, assuming the interest rate is constant over time.
The formula for compound interest is given by [tex]A= P(1+\frac{r}{n} )^{nt}[/tex]
Where,
A = final amount,
P = principal amount,
r = annual interest rate (as a decimal),
n = number of times the interest is compounded per year, and t = time in years.
Substituting the given values in the formula, we get A = P (1 + r/n)^(nt)
Since we are not given the principal amount, we can assume it to be any value. Let us assume the principal amount to be $100 for simplicity. Therefore, P = $100After two years, the interest earned is $15.
Therefore, the final amount after two years would be $100 + $15 = $115.t = 2 years
[tex]A= P(1+\frac{r}{n} )^{nt}[/tex]
115 = 100(1 + r/1)²
115/100 = (1 + r)²
1.15 = (1 + r)²
Taking square root on both sides, we get1.07 = 1 + rr = 0.07. Thus, the annual interest rate is 7%.
Now, substituting the given values in the formula, [tex]A= P(1+\frac{r}{n} )^{nt}[/tex]
We get, A = 100(1 + 0.07/1)¹⁰ˣ¹
A = $196.72
Therefore, the amount after 10 years with a principal of $100 and interest rate of 7% compounded annually would be $196.72.
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A photon has a frequency of 2. 9 × 10–16 Hz. Planck’s constant is 6. 63 × 10–34 J•s. The energy of the photon, to the nearest tenths place, is × 10–49 J.
Using the equation E = hf, where f = 2.9 × 10^(-16) Hz and h = 6.63 × 10^(-34) J·s, the energy of the photon is approximately 1.9 × 10^(-49) J.
To calculate the energy of a photon, you can use the equation:
E = hf
where E is the energy of the photon, h is Planck's constant, and f is the frequency of the photon.
Given:
Frequency (f) = 2.9 × 10^(-16) Hz
Planck's constant (h) = 6.63 × 10^(-34) J·s
Now, substitute the values into the equation:
E = (6.63 × 10^(-34) J·s) × (2.9 × 10^(-16) Hz)
Multiply the values:
E = 1.9207 × 10^(-49) J
To the nearest tenths place, the energy of the photon is approximately 1.9 × 10^(-49) J.
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Which polynomial is the correct product? 15y3 17y2 22y 15 6y3 17y2 22y 15 6y3 20y2 22y 15 6y3 17y2 22y 25.
The correct polynomial product is indeed Option B: 6y^3 + 17y^2 + 22y + 15.
Let's break down the options to see why Option B is correct:
Option A: 15y^3 + 17y^2 + 22y + 15
This option does not match the given product as it includes an additional term, 15y^3, that is not present in the correct polynomial product.
Option B: 6y^3 + 17y^2 + 22y + 15
This option matches the given polynomial product exactly. It includes all the terms and coefficients mentioned: 6y^3, 17y^2, 22y, and 15.
Option C: 6y^3 + 20y^2 + 22y + 15
This option differs from the correct product in the coefficient of the second term. It includes 20y^2 instead of 17y^2.
Option D: 6y^3 + 17y^2 + 22y + 25
This option differs from the correct product in the coefficient of the last term. It includes 25 instead of 15.
Therefore, Option B, 6y^3 + 17y^2 + 22y + 15, is the correct polynomial product based on the given information.
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Given the velocity function is v(t)=t2−6t+8 feet, find the position of the function at t= 3 seconds if s(0)=4 feet.
The position of the function at t = 3 seconds is 19 feet. the velocity function with respect to time.
To find the position function, or displacement, from the given velocity function, we need to integrate the velocity function with respect to time.
The position function, denoted as s(t), represents the integral of the velocity function v(t) with respect to time:
s(t) = ∫[v(t)] dt
Given that the velocity function is v(t) = t^2 - 6t + 8, we can integrate it to find the position function:
∫[t^2 - 6t + 8] dt
To find s(t), we integrate each term separately:
∫t^2 dt - ∫6t dt + ∫8 dt
Integrating each term:
(1/3)t^3 - (6/2)t^2 + 8t + C
where C is the constant of integration.
Since we are given s(0) = 4 feet, we can use this information to solve for the constant C. Plugging in t = 0 and s(t) = 4 into the position function:
(1/3)(0)^3 - (6/2)(0)^2 + 8(0) + C = 4
0 - 0 + 0 + C = 4
C = 4
Therefore, the position function s(t) is:
s(t) = (1/3)t^3 - (6/2)t^2 + 8t + 4
To find the position at t = 3 seconds, we substitute t = 3 into the position function:
s(3) = (1/3)(3)^3 - (6/2)(3)^2 + 8(3) + 4
Simplifying:
s(3) = 9 - 18 + 24 + 4
s(3) = 19 feet
Thus, the position of the function at t = 3 seconds is 19 feet.
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Darren lives in Wrexham and works in Corwen.
a) Use the chart to find the road distance
between Wrexham and Corwen.
(a) The road distance between Wrexham and Oswestry is 15 miles.
(b) The number of miles Sarah travels to and from work each week is 330 miles.
Given a chart of the road distances between various towns and cities.
(a) From the chart,
Distance the corresponds to Wrexham and Oswestry = 15 miles
Road distance between Wrexham and Oswestry is 15 miles.
(b) Distance between Ruthin and Oswestry = 33 miles
Total distance travelled to and from work in a day = 33 × 2 = 66 miles
She works 5 days a week.
Total distance travelled for 5 days = 66 × 5 = 330 miles
Hence, the number of miles travelled by Sarah in a week is 330 miles.
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The chart is given below.
"Your question is incomplete, probably the complete question/missing part is:"
The chart shows the distances, in miles, between some towns and cities.
Toby lives in Wrexham and works in Oswestry.
Wrexham
18
Ruthin
a) Use the chart to find the road distance
between Wrexham and Oswestry.
15
21
12
Corwen
15
33
23
Oswestry
Sarah lives in Ruthin and works in Oswestry for
5 days a week. Each day she travels to and
from work using the route shown on the map.
MOLD
ROTHEN
WRESTHAM
b) How many miles, in total, does she travel to
and from work each week? 231 miles
CORNEN
OSWESTRY
Choose CI
the price of a watch was increased by 20% to 144 what was the price before the increase
The price of the watch before the increase was $120. The price of a watch was increased by 20% to 144.
To find the original price of the watch, we can use the concept of reverse percentage change.
Let's assume the original price of the watch is P dollars. The price of the watch was increased by 20%, which means the final price is 120% (100% + 20%) of the original price.
We can set up the equation:
1.2P = 144
To solve for P, we divide both sides of the equation by 1.2:
P = 144 / 1.2 = $120
Therefore, the price of the watch before the increase was $120.
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The dimensions of a right recutangular prism are 0.25m, 0.36m, and 0.14mWhat is the volume of the prism? use the formula v=1xwxh
The volume of the given right rectangular prism is 0.0126 m³.
The volume of a right rectangular prism can be calculated using the formula:
V = l × w × h,
where l, w, and h are the dimensions of the prism.
The given dimensions of the right rectangular prism are 0.25m, 0.36m, and 0.14m.
Volume of the prism = l × w × h
= 0.25 × 0.36 × 0.14
= 0.0126 m³
Therefore, the volume of the prism is 0.0126 m³.
We have used the formula:
V = l × w × h to find out the volume of the prism.
This is because the given prism is a right rectangular prism.
The formula for finding the volume of a right rectangular prism is
V = l × w × h,
where l, w, and h are the dimensions of the prism.
A right rectangular prism is a three-dimensional figure with six rectangular faces.
It has three pairs of congruent faces that are parallel to each other.
The opposite faces of the right rectangular prism are identical in size and shape.
The right rectangular prism is a type of prism, which is a three-dimensional figure with two identical and parallel faces called bases.
A prism can be named by the shape of its base. In this case, the right rectangular prism has a rectangular base.
Conclusion: The volume of the given right rectangular prism is 0.0126 m³, which was found using the formula V = l × w × h.
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For 100/300 bodily injury limits and $100,000.00 property damage limits, Stephanie Ambrose's base premium is $292.50. Her base premium is $75.90 for $50-deductible comprehensive insurance and $225.79 for $50-deductible collision insurance. What is Stephanie's annual base premium?
To calculate Stephanie Ambrose's annual base premium, we need to sum up the costs of her bodily injury, property damage, comprehensive, and collision insurance.
Given that the bodily injury limits are $100/300 and the property damage limits are $100,000, we can calculate the cost of bodily injury and property damage insurance. The cost for bodily injury insurance is $100 for every $100,000 of coverage, and the cost for property damage insurance is $100 for every $100,000 of coverage.
For bodily injury insurance, the cost is calculated as:
(100/300) * 100 = $33.33
For property damage insurance, the cost is:
(100,000/100,000) * 100 = $100
Adding up the costs of bodily injury, property damage, comprehensive, and collision insurance:
Base premium: $292.50
Comprehensive insurance: $75.90
Collision insurance: $225.79
Bodily injury insurance: $33.33
Property damage insurance: $100
Total annual base premium = Base premium + Comprehensive insurance + Collision insurance + Bodily injury insurance + Property damage insurance
Total annual base premium = $292.50 + $75.90 + $225.79 + $33.33 + $100 = $727.52
Therefore, Stephanie Ambrose's annual base premium is $727.52.
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Kelly wrote a business plan for an entrepreneurship class, and now she has to make bound copies. Kelly could use a printer who charges a set up fee of $43 and five dollars for every copy printed. Another possibility is to go to the office supply store, where she could pay an upfront fee of $34 and six dollars per copy there is a certain number of copies that make the two options equivalent in terms of cost how much copies is that? How much would the copies cost?Write 2 equations and solve please help me
Let the total number of copies that make the two options equivalent be represented by x.Therefore, we can represent the cost for the first printer as 5x + 43 (since there is a set up fee of $43 and five dollars for every copy printed).
We can also represent the cost for the office supply store as 6x + 34 (since there is an upfront fee of $34 and six dollars per copy)According to the problem, both options are equivalent, therefore:5x + 43 = 6x + 34Subtracting 5x from both sides43 = x + 34Subtracting 34 from both sidesx = 9.
Therefore, the total number of copies that make the two options equivalent is 9.And since x = 9, we can substitute x in any of the equations. Let's choose the first equation:Therefore, the cost of the copies would be $88.
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Gunther's starting weight is 248 pounds, and he plans to lose 2 pounds each week. Use a linear equation to determine Gunther's weight after 10 weeks. Do not include units in your answer
To determine Gunther's weight after 10 weeks, we can use a linear equation. Given that he plans to lose 2 pounds each week, we can represent his weight after 10 weeks as a linear function of time. Therefore, Gunther's weight after 10 weeks would be 268 pounds.
1. The equation would be: weight = starting weight - (rate of weight loss * number of weeks). Substituting the given values, we find Gunther's weight after 10 weeks.
2. Gunther's weight after 10 weeks can be determined using a linear equation. Let's denote Gunther's starting weight as W₀ and the rate of weight loss as R. Since he plans to lose 2 pounds each week, the rate of weight loss R is -2 (negative because it represents a decrease in weight).
3. The equation for Gunther's weight after 10 weeks would be: weight = W₀ - (R * number of weeks).
Substituting the given values, we have weight = 248 - (-2 * 10).
4. Simplifying further, weight = 248 + 20 = 268. Therefore, Gunther's weight after 10 weeks would be 268 pounds.
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PLS ASAP!!!!!!!!!!!!!!!! Monica has $20. She needs to buy a gallon of milk that costs $2.50. She also wants to buy yogurt, which costs $1.20 a cup. Which inequality can you use to find the number of cups of yogurt Monica can buy?
Answer: 2.50x +1.20y less than or equal to 20
Step-by-step explanation: Don't have time sry, just trust.
Monica can buy 'y' cups of yogurt.
Let's assume 'y' represents the number of cups of yogurt Monica can buy. Since each cup of yogurt costs $1.20, the total cost of yogurt can be calculated by multiplying the price per cup ($1.20) by the number of cups ('y'). This can be written as 1.20y.
To find the number of cups of yogurt Monica can buy, we need to ensure that the total cost of yogurt does not exceed the amount of money she has, which is $20. Therefore, the inequality we can use is:
1.20y ≤ 20
This inequality states that the total cost of yogurt (1.20y) should be less than or equal to $20. By solving this inequality, we can determine the maximum number of cups of yogurt Monica can buy without exceeding her budget.
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Rory joins the game for the second round and wins that round what can you say about where his score would appear on the number line explain
If Rory joins the game for the second round and wins that round, we can conclude that his score for the second round would be higher than his score for the first round.
However, without knowing the specific scores or the scoring system of the game, we cannot determine the exact position of Rory's score on the number line.
The number line represents a continuous range of numbers, and the positioning of a score on the number line depends on various factors such as the range of possible scores, the distribution of scores, and the specific scoring system used in the game. Without additional information about these factors, we cannot accurately determine the exact position of Rory's score on the number line.
However, we can infer that Rory's score for the second round would be greater than his score for the first round, which implies that his score would be located to the right of his first round score on the number line.
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Count to find the area. Tell whether the area is exact or an estimate.
Select the correct number or words from the drop-down menus to complete the statements.
An array of squares has 6 rows and 7 columns. In the first row has square 6 shaded yellow. In the second row, square5 and 6 are shaded. In both row three and four, the blocks 2 through 6 are shaded. There are no blocks shaded in rows five or six.
The array of squares has 6 rows and 7 columns. The total number of squares that are shaded is 13, and this is the exact area of the array since the squares are all the same size and we have counted them exactly.
To find the area of the array, we need to count the total number of squares that are shaded.
In the first row, there is 1 square shaded.
In the second row, there are 2 squares shaded.
In the third row, there are 5 squares shaded.
In the fourth row, there are 5 squares shaded.
In the fifth row, there are 0 squares shaded.
In the sixth row, there are 0 squares shaded.
Therefore, the total number of squares shaded is:
1 + 2 + 5 + 5 + 0 + 0 = 13
So the area of the array is 13 square units.
Since the squares are all the same size and we have counted them exactly, the area is an exact value.
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An item originally costs $175. 0. The item is now on sale for $99. 75. What percent
is the sale price of the original price? Is this an example of percent increase or
decrease? Explain how you know. *
It is percentage decrease by 43 percent.
Given that, the original cost of item = $175.00 and the sale price of item = $99.75.
Percentage increase or decrease = (Original Price - Sale Price)/Original Price ×100
= (175.00-99.75)/175.00 ×100
= 75.25/175.00 ×100
= 0.43×100
= 43%
Therefore, it is percentage decrease by 43 percent.
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B.
zoom in
Find the value of the variables for
which ABCD must be a parallelogram.
~ 3x
X
3
3y
3y
D
21
Required
X =
?/1
I
22
Required
y =
?/1
.
D
The value of the variables for which ABCD must be a parallelogram include the following:
x = 4.
y = 5.
How to determine value of the variables for ABCD?In order for any quadrilateral to be considered as a parallelogram, two pairs of its parallel sides must be equal (congruent). This ultimately implies that, the diagonals of a parallelogram would bisect one another only when their midpoints are the same:
Line segment AC = Line segment BD
Next, we would write an equation to model the length of the diagonals of this parallelogram as follows;
4x - 2 = 3y - 1 .........equation 1.
3y - 3 = 3x .........equation 2.
From equation 2, we have the following:
y - 1 = x .........equation 3.
By substituting equation 3 into equation 1, we have:
4(y - 1) - 2 = 3y - 1
4y - 4 - 2 = 3y - 1
4y - 3y = 6 - 1
y = 5.
For the value of x, we have:
x = y - 1
x = 5 - 1
x = 4
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Complete Question:
Find values of x and y for which ABCD must be a parallelogram.
Select the correct answer.
Solve the exponential equation for X.
216 6(41 +11)
OA.
I = 2
OB.
I = -2
OC.
I = 3
OD.
= -3
The given equation is I = -2OD where I is the intensity of light, O is the aperture of the lens and D is the distance between the lens and the object. This equation is known as the Inverse Square Law of Light.
The equation states that the intensity of light decreases as the square of the distance between the object and the ens increases. This means that if we double the distance between the object and the lens, the intensity of light becomes 1/4th of its original value.Similarly, if we triple the distance between the object and the lens, the intensity of light becomes 1/9th of its original value. This law is applicable to all types of light sources, including natural light sources like the sun and artificial light sources like bulbs.One practical application of this law is in photography. If a photographer wants to capture an image of a subject that is far away, they need to use a lens with a larger aperture to let in more light. This will ensure that the image is bright and clear even when the distance between the subject and the camera is large.Similarly, if a photographer wants to capture an image of a subject that is close to the camera, they need to use a lens with a smaller aperture to reduce the amount of light that enters the camera. This will prevent the image from being overexposed and washed out.Overall, the Inverse Square Law of Light is an important principle that governs the behavior of light in various applications, including photography, cinematography, and physics.For such more question on Square Law
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A business advertises that everything in the store is an additional 10% off the already reduced prices. Marcus picks out 2 shirts that are on a 30% off rack. If the shirts are originally priced at $28. 99 and $30. 29 and there is 6% sales tax, how much does Marcus end up paying for them? a. $39. 59 b. $37. 70 c. $37. 35 d. $35. 57.
Marcus picks out 2 shirts that are on a 30% off rack. If the shirts are originally priced at $28.99 and $30.29 and there is 6% sales tax, the amount Marcus has to pay for them is $37.70.Option (b) $37.70 is the correct answer.
How to calculate the final price Marcus has to pay?Let us begin with calculating the 30% discount Marcus gets for picking out 2 shirts that are on a 30% off rack.30% discount means Marcus gets to save (30/100) × (28.99 + 30.29) = $17.63Marcus' savings = $17.63The original price of the 2 shirts = $28.99 + $30.29 = $59.28Now, Marcus gets 10% off on the already reduced prices,
which means he gets an additional discount of (10/100) × $41.65 = $4.17Therefore, the new discounted price = $41.65 - $4.17 = $37.48The sales tax is 6% of $37.48Sales tax = 6/100 × $37.48 = $2.25Therefore, Marcus has to pay $37.48 + $2.25 = $39.73This is the amount Marcus has to pay.
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Alli has $382. 45 in her checking account and $450 in her savings account. She writes a check for $400. Alli’s bank automatically takes money from her savings to cover the amount of a check if the money in the checking account is not sufficient. Unfortunately for Alli, the bank also withdraws $25 from her savings account for this service. Once the check has cleared, how much money does Alli have in her savings account?
$17. 55
$17. 55
$42. 55
$42. 55
$407. 45
$407. 45
$442. 55
$442. 55
Once the check has cleared, Alli has $17.55 in her savings account. Finally, the amount of money Alli has in her savings account after the check has cleared is $25, so the answer is option A: $17.55.
Initial amount in Alli's checking account = $382.45
Initial amount in Alli's savings account = $450
Amount Alli withdrew from checking account = $400
Amount the bank withdrew from Alli's savings account = $25
Total cost of the check = 400+25
=425
Since the initial amount in her checking account was insufficient, the bank automatically withdrew $25 from her savings account to cover the cost of the check. This means that Alli has a total of $425 - $400 = $25 left in her savings account.After the withdrawal from her savings account, Alli's remaining savings balance is $450 - $25 = $425. However, she spent $400 to cover the check, so her final savings balance is $425 - $400 = $25.
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A coin is tossed 25 times. The result is that there are 9 "heads" and 16 "tails". Consider the model that the number of "heads" follows a binomial distribution with the size equal to 25 and the probability of success equal to 0.5. That is, the probability of k
The probability of k "heads" is given by:P (k) = C(25, k) (0.5)^(k) (0.5)^(25-k)where C(25, k) = 25!/[k!(25-k)!].The result of a coin being tossed 25 times shows 9 "heads" and 16 "tails."
The probability of having 9 "heads" in 25 coin tosses is given by:P(9) = C(25, 9) (0.5)^(9) (0.5)^(25-9) = 0.097.While the probability of having 16 "tails" in 25 coin tosses is given by:P(16) = C(25, 16) (0.5)^(16) (0.5)^(25-16) = 0.098.Both the probabilities, P(9) and P(16), are nearly the same.
This means that the occurrence of 9 "heads" and 16 "tails" is equally likely. Therefore, it is not at all surprising to get 9 "heads" and 16 "tails" in 25 coin tosses, even if the coin is unbiased.
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An elephant weighs 1200 pounds, which is 3/4 the weight of a whale. A giraffe weighs 1/8 of the weight of the whale or 5/6 of the weight of 12 deer. How much does 12 deer weigh?
Answer:
240 pounds
Step-by-step explanation:
Let the variables:
e = lbs of elephant
w = lbs of whale
g = lbs of giraffe
d = lbs of 12 deer
e = 1200 and a whale is 3/4 of this weight so:
1200 / 4 = 400 which means 1/4 of the weight is 400
Multiply by 4 and get the total weight of 1600
w = 1600
g = 1600(1/8)
g = 200
200 is 5/6 of the weight of 12 deer so each 1/6 is 40
multiply 6 * 40
240
It is 185 miles to Fort Worth if vangs drives 2 hours at 65 miles per hour how far will he be from Fort Worth
If Vangs drives for 2 hours at a speed of 65 miles per hour, we can calculate how far he will be from Fort Worth. Vangs will be 125 miles away from Fort Worth.
Given that Vangs drives at a speed of 65 miles per hour for 2 hours, we can calculate the distance traveled using the formula Distance = Speed × Time.
Distance = 65 miles/hour × 2 hours = 130 miles.
Since Vangs started 185 miles away from Fort Worth and traveled a distance of 130 miles, we subtract the distance traveled from the initial distance to find how far he will be from Fort Worth.
Distance from Fort Worth = Initial distance - Distance traveled = 185 miles - 130 miles = 55 miles.
Therefore, Vangs will be 55 miles away from Fort Worth after driving for 2 hours at a speed of 65 miles per hour.
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