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creativ13 [48]
3 years ago
11

(9x + 5) - (6x - 8)=

Mathematics
1 answer:
grandymaker [24]3 years ago
8 0
(9x + 5) - (6x - 8)
(9x + 5) - 6x + 8
SOLUTION—3x + 13
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Answer:

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Step-by-step explanation:

we know that

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so

A=\frac{1}{2}bh+\frac{1}{2}\pi r^{2}

we have

b=4\ ft

Find the height of the right triangle applying the Pythagorean Theorem

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h^2=9\\h=3\ ft

The radius of the semicircle is half the height of triangle

r=3/2=1.5\ ft

substitute in the formula

A=\frac{1}{2}(4)(3)+\frac{1}{2}(3.14)(1.5)^{2}

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