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Alex Ar [27]
3 years ago
7

Please help (click to veiw photo)

Mathematics
1 answer:
Arturiano [62]3 years ago
5 0
M - n 
m = 300x + 100, so we substitute that into the equation for m. 
300x + 100 - n 
n = 250x + 200, so we substitute that into the equation for n. 
300x + 100 - 250x - 200 
Subtract the 250x to get: 
50x + 100 - 200 
Subtract the 200 to get: 
50x - 100, which is option D. 
Hope this helps!
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Steve makes a banner with an area of 8 square feet. On a grid, draw all possible rectangles with an area of 8 square feet and si
Maksim231197 [3]

Answer:

The correct answers are with side lengths 1 feet and 8 feet, the perimeter is 18 feet; and with side lengths 2 feet and 4 feet, the perimeter is 12 feet.

Step-by-step explanation:

The area of a rectangular banner is 8 square feet.

The side lengths of this rectangular banner are whole numbers.

Thus the possible pairs of side lengths that would give 8 when multiplied with each other are (1 , 8) ; (2 , 4).

So the possible side lengths are 1 feet and 8 feet or 2 feet and 4 feet.

The perimeter when the side lengths are 1 feet and 8 feet are 18 feet.

The perimeter when the side lengths are 2 feet and 4 feet are 12 feet.

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2 years ago
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9x-3y=1\qquad|-9x\\\\-3y=-9x+1\qquad|:(-3)\\\\t=3x-\dfrac{1}{3}

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for x = 2 → y = 3(2) - 1/3 = 6 - 1/3 = 5 2/3 → (2, 5 2/3)

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3 years ago
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