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likoan [24]
3 years ago
6

8. A rectangle has a width of 5 inches and a length of 7 inches. If

Mathematics
1 answer:
umka2103 [35]3 years ago
3 0

Answer:

MARK AS BRAINLIST

Step-by-step explanation:

w=5 L=7

w=5+x. L=7+x

A = w*L

= (5+x)* (7+x)

=35+5x+7x+x^2

=x^2+12x+35

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Answer:

y = 6

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Step-by-step explanation:

y=\frac{1}{2}x² -2x

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y=\frac{1}{2}\times (-2)^2-2\times(-2)\\\Rightarrow y=\frac{1}{2}4+4\\\Rightarrow y=2+4\\\Rightarrow y=6

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