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Been stuck on this for days! Please help!

Been stuck on this for days! Please help!-example-1
User Loaf
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1 Answer

5 votes

Explanation:


a {b}^(2) = (27)/(5) \\ \\ {a}^(2) b = 135 \\


{b}^(2) = (5.4)/(a) \\ {a}^(2) = (135)/(b)


b = \sqrt{ (5.4)/(a) }


b = { ( (5.4)/(a) ) }^(0.5 ) \\ \\ b = \frac{2.32}{ {a}^(0.5) } \\


{a}^(2) = \frac{135}{ \frac{2.32}{ {a}^(0.5) } } \\ {a}^(2) = \frac{135 {a}^(0.5) }{2.32} \\


{a}^(2) = 58.19 {a}^(0.5)


{a}^(1.5) = 58.19

a =15.018(approximately)


b = \frac{2.32}{ {a}^(0.5) } \\ b = (2.32)/(3.875) \\ b = 0.598

b= 0.598 (approximately)

a+5b =18

User Ritwik Biswas
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