johna317 johna317

21-11-2017
Mathematics

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the function f(r) gives the area of a circle what is the answer if f(r)=3.14 r square what is f(5)?

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trombonebookworm trombonebookworm

21-11-2017

Substitute 5 for wherever r appears.

f(5)=3.14 (5)(5) = 78.5

The answer is 78.5

Hope this helps!

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