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anonymous
 one year ago
Can someone please check my work?
anonymous
 one year ago
Can someone please check my work?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The surface area of a cone with radius r units and slant height s units is shown below: Surface area = 3.14(rs + r2) Part A: If r = 2 units and s = 3 units, write an expression that can be used to calculate the surface area of the cone. Part B: What is the surface area of the cone? Show your work.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I created this Expression: 3.14(23+2^2)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0and i solved for the answer and got 84.78

phi
 one year ago
Best ResponseYou've already chosen the best response.1almost. in algebra, rs means r*s (we don't bother to put in the multiply sign... we assume it is there) but when you put in numbers, you have to put in the multiply sign because 2*3 is different from 23

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i thought that at first but i thought i was wrong

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok now ill have to do my calculation again one sec ok

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So now the answer is 31.4 correct?
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