What is the quotient of 2 1/5 ÷ 6 3/5

A. 1/3

B. 3/4

C. 24/35

D. 2/3

A.1/3

Step-by-step explanation:

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it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

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80π/3 or about 83.775

step-by-step explanation:

since a cone is 1/3 of a cylinder, we need to find the base's area. since area = πr^2, we get 16π. then, multiplying this by 5, we get 80π. dividing by 3, since the cone's volume is 1/3 of that of a cylinder's, we get 80π/3.

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