oconnorjordan7 oconnorjordan7

13-12-2019
Mathematics

contestada

1) If AB = 9, RS - 3, and SC - 5, find BC.

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13-12-2019

Answer:

Let a = 9x, then b = 4x

Let b = 5x, then c = 3x

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Then a-b = 5x and b-c = 2x

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So (a-b):(b-c) = 5x/2x = 5:2

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sebfernandez0917 sebfernandez0917

05-02-2021

Answer:

BC= 15, or D

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