coolman5999alt

26.06.2019 • 

Mathematics

Apool company is creating an image for a client that has the look of a 3-d image for a family pool and a similar dog pool. find the value of x in the drawing below: quadrilaterals abcd and efgh are shown. side ab measures 3, side bc measures 4, side cd measures 5, side ad measures x, side ef measures y, side fg measures 3, side gh measures z, side eh measures 6.

Ответ:

lexas2894

11.10.2020

Mathematics

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5x + 2y = 7
multiplying this equation by 2
10x + 4y = 14 ...(A)

-2x + 6y = 9
multiplying this equation by 5
-10x + 30y = 45 ... (B)

Add (A) and (B),
10x-10x + 4y +30y = 14+45

0 + 34y = 59

y = 59/34
y = 1.7
 

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