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Suppose that a^2 varies inversely with b^3 If a=7 when b=3, find the value of a^2 when b=6

 Jul 21, 2022
 #1
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When b = 6, a^2 = 42.

 Jul 21, 2022
 #2
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(a^2)(b^3) = k

(49)(27) = k 

 

(a^2)(6^3) = 49 * 27

a^2(8) = 49

a^2 = 49/8. 

 Jul 22, 2022

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