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CaHeK987 [17]
4 years ago
12

NO DUMB ANSWERS PLZZ!!! GIVING A LOT OF POINTS!!! QUICK

Mathematics
1 answer:
Mila [183]4 years ago
5 0

Answer:

50 in^2

Step-by-step explanation:

Area = area of rectangle - 2 * (area of the 2 spaces)

= 10*12 - 2(5*7)

= 120 - 70#=- 50 in^2.

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8 0
3 years ago
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answer is first expresion
7 0
3 years ago
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Which is the correct answer ?????
Damm [24]
<h3>Answer:  True</h3>

Explanation:

Technically you could isolate any variable you wanted, from either equation. However, convention is to pick the variable in which isolating it is easiest, and most efficient.

The key thing to look for is if there's a coefficient of 1. This is found in the second equation for the y term. Think of -4x+y = -13 as -4x+1y = -13. Due to the coefficient of 1, when solving for y we won't involve messy fractions.

If you were to solve for y, then you'd get y = 4x-13, which is then plugged in (aka substituted) into the first equation. That allows you to solve for x. Once you know x, you can determine y.

6 0
1 year ago
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Answer:

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8 0
3 years ago
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