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almond37 [142]
3 years ago
12

Expression when m=8 and n=7 n+6m

Mathematics
2 answers:
Cloud [144]3 years ago
8 0
In the expression n+6m, subst. 8 for m and 7 for n:

7+6(8) = 55 (answer)
Andrews [41]3 years ago
7 0
All you have to do is plug m and n into the equation:

n+6m

Since n=7, you'll get:

7+6m

And since m=8, you'll get:

7+6(8)

And by doing the order of operations (PEMDAS), you'll start off multiplying 6 and 8, which is 48, then add 7, which is 55.

Your answer should be 55!
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 what is perpendicular to y= 3x -9 and passes through the point (3,1)
GREYUIT [131]
(3,1) , \ \ y= 3x -9 \\ \\ The \ slope \ is :m _{1} =3 \\ \\ If \ m_{1} \ and \ m _{2} \ are \ the \ gradients \ of \ two \ perpendicular \\ \\ lines \ we \ have \ m _{1} \cdot m _{2} = -1 \\ \\3\cdot m_{2}=-1 \ \ /:3\\ \\ m_{2}=-\frac{1}{3}

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3 years ago
Sandra is a real estate agent and rams 5000 commission on the selling of a 62,000 house. what is the percent of commission she r
sveta [45]
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3 years ago
-x+20=31 solve for x
olga_2 [115]

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Step 2: Divide both sides by -1.

−x

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