3 years ago

The radius of the circle - shaped poster is 9 inches. What is the approximate circumference?

Mathematics

1 answer:

statuscvo [17]3 years ago

5 0

Answer: $56.55inch$

Step-by-step explanation:

Circumference formula: $C = 2\pi r$

$C = 2(3.1416)(9inch)$

$C= 56.55inch$

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On a certain exam, Tony corrected 20 papers and found the mean for his group to be 70. Alice corrected the remaining 10 papers

son4ous [18]

Answer:

The mean of the combined group is 76.67 ≈ 77

Step-by-step explanation:

The sum of the grades in Tom's group is 20×70 = 1400
The sum of grades in Alice's group is 10×90=900
The sum of gradees in the combined group is =1400+900=2300
Then the mean grade of the combined group is $\frac{2300}{30}=76.67$

where

2300 is the sum of the all grades in the combined group
30 is the total number of people in the group

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3 years ago

There is 3 4 of an apple pie left from dinner. Tomorrow, Victor plans to eat 1 4 of the pie that was left. Enter how much of the

lora16 [44]

Answer:

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Step-by-step explanation:

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Given that 3/4 of the apple is left, it means the size left

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1/4 * 3T/4

= 3T/16

This means that Victor will eat 3/16 of the whole pie tomorrow

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2 years ago

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3241004551 [841]

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2 years ago

What is the square root of 1345668?

bija089 [108]

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3 years ago

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Which region in the graph below is the solution of the system of inequalities given below?

mote1985 [20]

Answer:

I'm not sure but I think region 3

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3 years ago