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3 years ago

10

[x+4y=8[x+2y=4how many solutions does the system have

2 answers:

alisha [4.7K]3 years ago

7 0

Answer:

i dont know

Step-by-step explanation:

Anton [14]3 years ago

5 0

I need poins sorry i cant answer :)

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f a rectangle has a perimeter of 70, a length of x and a width of x - 9, find the value of the length of the rectangle.

trasher [3.6K]

$( x + (x - 9)) \times 2 = 70 \\( 2x - 9) \times2= 70 \\ 4x - 18 = 70 \\ 4x = 70 + 18 = 88$
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and the width is
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3 years ago

Find the value of each expression.

Damm [24]

I'm not sure

Step-by-step explanation:

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2 years ago

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Nitella [24]

Answer:

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Step-by-step explanation:

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3 years ago