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erica [24]
3 years ago
11

How many solutions does this system have? x-2y=2 y=-2x 5

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
5 0
I am sure it's One Solution

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Evaluate the following expression:<br> 5+7(3x+y) when x=12, y=8
timofeeve [1]
First step is 5+7(36x+8y) because you have to distribute
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3 years ago
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Does anyone know this ? i'm stuck.. i'll give you brainliest and 15 points !! show work.
madam [21]

Answer:

x = 7

Step-by-step explanation:

The angle adjacent to the 70 degree angle is also 70 degrees.  We assume that there are four 90-degree angles in the center of the figure.  Thus, 8x - 36 + 70 + 90 = 180 (the sum of the interior angles is 180 degrees).

Solving  8x - 36 + 70 + 90 = 180 for x:

              8x - 36 = 20, or 8x = 56.

Dividing both sides by 8 yields x = 7.

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3 years ago
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Anastaziya [24]

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8 0
2 years ago
-10÷0.22 what is the answer​
Juliette [100K]

Answer:

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Janet is 50inches tall.
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