3 years ago

Geometry. 20 POINTS.

Mathematics

1 answer:

____ [38]3 years ago

3 0

Answer:

A is correct. (you chose correctly)

Step-by-step explanation:

Parallel lines always have the same slope, so we know it's either a or b because the both have the slope of 1/4. When you plug -1, 5 into the equation you chose, you get 0=0, so that is the correct one.

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Step-by-step explanation:

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a flat rectangular piece of aluminum has a perimeter of 64 inches. the length is 10 inches longer than the width. find the width

I am Lyosha [343]

Answer:

The width of the piece is 11 inches

Step-by-step explanation:

Let

x ----> the length of the rectangular piece of aluminum in inches

y ----> the width of the rectangular piece of aluminum in inches

we know that

The perimeter of the rectangular piece of aluminum is equal to

$P=2(x+y)$

we have

$P=64\ in$

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simplify

$32=x+y$ ----> equation A

$x=y+10$ ----> equation B

Solve the system by substitution

substitute equation B in equation A

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solve for y

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3 0

3 years ago