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19 January, 09:36

3y-3.5/3y+6=17/25.5. find the value of y. give the scale factor of the polygon

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  1. 19 January, 09:45
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    Hi the answer to your question is

    ((3y - 3.5) / (3y + 6)) * 25.5 = (17 / 25.5) * 25.5

    ((3y - 3.5) / (3y + 6)) * 25.5 = 17 (76.5y - 89.25) / (3y + 6) = 17

    ((76.5y - 89.25) / (3y + 6)) * (3y + 6) = 17 * (3y + 6) 76.5y - 89.25 = 51y + 102 76.5y - 51y = 102 + 89.25

    25.5y = 191.25

    y = 191.25 / 25.5

    y = 7.5
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