macncheese10 macncheese10

15-08-2018
Mathematics

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a rectangle is 70ft longer then it is wide. each diagonal between opppsote corners is 130 ft. what are the dimensions?

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Аноним Аноним

15-08-2018

w^2 + 70w + 2450 = 8450

w^2 + 70w - 6000 = 0

.

Factoring the left:

(w-50)(w+120) = 0

.

w = {-120, 50}

.

toss out the negative solution:

width is 50 feet

length is 50+70= 120 feet

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