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(8) 7/x 11/x cross multiply x^2 = 77, square root of both sides x = sqroot of 77 My answer: D

(8) 7/x 11/x cross multiply x^2 = 77, square root of both sides x = sqroot of 77 My answer: D
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(8)

7/x 11/x cross multiply x^2 = 77, square root of both sides x = sqroot of 77

My answer: D

(8) 7/x 11/x cross multiply x^2 = 77, square root of both sides x = sqroot of 77 My-example-1
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User Chantalle
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Correct. A shortcut is to multiply the values and apply the square root. Though your method is more thorough. 
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User David James
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