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MICHELLUMPAS34PBCC1MIN
Answered

suppose a varies inversely as the square of w and that a = 18 when w = 8 find the value of a when w = 3​

Sagot :

MIKLEOIN

Answer:

a = 128

Step-by-step explanation:

(1) Write the equation

a = k/w²

(2) Find k by substituting the values of a and w

a = k/w²

18 = k/(8)²

18 = k/64

1,152 = k

(3) Substitute k to the original equation

a = 1,152/w²

(4) Substitute the value of w

a = 1,152/w²

a = 1,152/(3)²

a = 1,152/9

a = 128

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