If the circumference of a circle is 8 pi what is the area of the circle

Answers

Answer 1
Answer: The equation for this problem would be A=C^2 divided by 4pi. Plugging in with the numbers it would be, 8pi^2 / 4pi. This then comes to the new equation 64pi / 4 pi when solving this it comes to the solution if 16 being the answer.

Answer: 16
Answer 2
Answer:
8pi=c
8=d
4=r
4^2pi=a
a=16pi

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P = 3r + 2 work out the value of of r when p= 17

Convert
4
5
to a percent (Review question)

Answers

Answer:

45%?

Step-by-step explanation:

If the answer is wrong lack of info was provided

Answer:

4/5 into a decimal is 0.8.

You can find the answer to any fraction conversion into a decimal. By simply dividing the fraction 4/5=0.8

URGENTWhat is the area of trapezoid ABCD ?



Enter your answer as a decimal or whole number in the box. Do not round at any steps.

units²

Answers

Answer:

The answer to your question is Area = 62.5 u²

Step-by-step explanation:

Area = c (a + b)/(2)

a and b are bases

c = heigth

dAD = \sqrt{(x2 - x1)^(2) - (y2 - y1)^(2)  }

dAD = \sqrt{(-1 + 13)^(2) - (5 + 11)^(2)  }

dAD = \sqrt{(12)^(2) - (16)^(2)  }

dAD = √(144 + 256)

dAD = √(400)

dAD = 20 u

dBC = \sqrt{(3 - 0)^(2) - (2 + 2)^(2)  }

dBC = √(9 + 16)

dBC = √(25)

dBC = 5 u

dAB = \sqrt{(3 + 1)^(2) - (2 - 5)^(2)  }

dAB = \sqrt{(4)^(2) - (-3)^(2)  }

dAB = √(16 + 9)

dAB = √(25)

dAB = 5u

Area = 5 (20 + 5)/(2)

Area = 5 (25)/(2)

Area = 5(12.5)

Area = 62.5 u²

Answer:

62.5 units^2

Step-by-step explanation:

Which of the following systems of nonlinear inequalities is graphed below?

Answers

Answer:

the correct answer is B.

Step-by-step explanation:

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the ratio 1mm represents 1cm is the same as 1:10 complete the following the ratio 1cm represents 1km is the same ratio as 1:

Answers

Answer: 1:100

Explanation: If 1cm is 10 and there is 1mm for every 10cm, and the unit that is after centi- is kilo- then all you’d have to do is put another zero.

Final answer:

Given that 1 km is equal to 100000 cm, the ratio of "1 cm represents 1 km" is identical to the ratio of "1:100000."

Explanation:

The ratio in the question has been adjusted from millimeters to centimeters and is presently being altered from centimeters to kilometers. In light of the fact that 1 centimeter is equal to 0.00001 kilometers, the original ratio of 1cm:1km can be restated as 1:100000. In other words, 1cm represents 1km is the same ratio as 1:100000. This is a demonstration of how units of measure can impact ratios and proportions in mathematics.

Learn more about Ratios and Proportions here:

brainly.com/question/31776433

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George spend $17.25 on pecans andpeanuts at a farmer's market. He bought
3 1/2 pounds of pecans
for $3.20 per pound
and 5 1/2 pounds of peanuts. What was the
price per pound for the peanuts George
purchased?

Answers

11.2 for pecans
6.05 left for peanuts
6.05 / 5.5
Therefore the answer is 1.10

Consider the following food chain: Plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes. What would happen to the other members of the food chain if the plant population was wiped out?
a. The populations of grasshoppers, mice, and snakes would increase.
b. The populations of grasshoppers and mice would increase, while the population of snakes would decrease.
c. The populations of grasshoppers would decrease, while the population of mice and snakes would increase.
d. the number of plants will increase, the number of grasshoppers will increase, the number of snakes will increase

Answers

Answer;

-The populations of grasshoppers, mice, and snakes would decrease.

Explanation;

-The food web or a food chain describes the series of relationships that occur between predators and prey in an ecosystem.

-Several types of life forms form the food web. Green plants that can make their own food through photosynthesis are the web's producers. They form the bottom of the chain. Animals that get food from other animals and plants are consumers. Decomposers feed off dead plants and animals because decomposers cannot make their own food.

-If producers were removed in a food chain then, all the other animals in the food web would die too, because their food supplies would have died out. The populations of the consumers would fall as the population of the producer fell.

Answer:

B

Step-by-step explanation: