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MrRa [10]
3 years ago
14

Help on number eight

Mathematics
2 answers:
garri49 [273]3 years ago
7 0
Its length would be 9 ft so 9 x 8 is 72.
professor190 [17]3 years ago
7 0
The new P=34, and P=2w+2l, or 34=2w+2(8)
2w=34-16
2w=18
2w/2=18/2
w=9
A=9 x 8
A= 72 square ft., or answer B
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x = 3 + y Eqn(1)

y = -2x + 9​ Eqn(2)

Let us solve the system of equations with the substitution method

x - 3 = y (Subtracting 3 from both sides of the Eqn(1))

Replacing y = x - 3 in Eqn (2), we have:

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Answer:

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