3 years ago

.Write in standard form. 4h - 6(5+7h)

Mathematics

1 answer:

Anarel [89]3 years ago

5 0

Answer:

-38h-30

4h+(−6)(5)+(−6)(7h)

=4h+−30+−42h

=(4h+−42h)+(−30)

=−38h+−30

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Green = g
Blue = b
Red = r

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g+r = 750
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in the 1st equation solve for b

g+b =1500
b = 1500-g

2nd equation solve for r

g+ r = 750
r = 750-g

now substitute the answers fro. b and r into the final equation.

g+b+r = 2000
g + 1500-g + 750-g = 2000
-g + 2250 = 2000
-g = -250
g = 250

So we k own the green bike is $250.

Blue = 1500- g
blue = 1500-250= $1250

red = 750-g
red = 750-250 = $500

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