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kiruha [24]
4 years ago
11

Solve the system of equations. 7x+10y=36 y=2x+9 x = ______ y = ______

Mathematics
2 answers:
wel4 years ago
6 0

Step-by-step explanation:

Substitute the y in the 1st equation with the 2nd equation.

7x + 10(2x + 9) = 36

7x + 20x + 90 = 36

27x + 90 = 36

3x + 10 = 4

3x = -6

x = -2

So now we can find y.

y = 2x + 9 = 2(-2) + 9 = (-4) + 9 = 5.

So x = -2, y = 5.

erik [133]4 years ago
4 0

Answer:

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Standard Error(SE) of the Sample Proportion: √ (p(1-p) / n). Note: as the sample size increases, the standard error decreases.

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Hope this helps you! Feel free to give feedback

5 0
2 years ago
3 out of 4 students in Nayo's class have brought in permission slips for the next field trip. There are 32 students in the class
Marina86 [1]
8
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Also another way
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n = 8
3x8 = 24
Subtract and same result
5 0
3 years ago
Read 2 more answers
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Mrrafil [7]
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