9x 2 y 2 and 5x 2 y 3

Mathematics

1 answer:

alexdok [17]3 years ago

8 0

What do you need with this, I am happy to help I just do not know how?

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Evaluate -6(x-2y) when x= -3 and y= -5<br> a. -42<br> b. 80<br> c. -80<br> d. -16

Vinil7 [7]

Simply substitute x for -3 and y for -5, creating the equation shown below:

-6 (-3 - 2(-5) )
Now that you have your values set up, now you can do the math by starting off with Multiplying -2 by -5, which will get you 10.

Now that you have the parenthesis simplified in the parenthesis, you can use the distributive property by multiplying all the numbers with -6, like so:
-6(-3+10)= 18 - 60, which simplifies to -42, in which (A) is your answer.

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3 years ago

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Peter wallpapered a wall that was 9 feet wide and 8 feet high. He had 27 square feet of wallpaper left over. How many square fee

ivanzaharov [21]

Answer:

99 square feet

Step-by-step explanation:

Because 8 times 9=72+27=99

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2 years ago

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-2(x-2)=-16 answer.

REY [17]

Answer:

-2x+4=-16

-2x = -16-4

-2x = -20

x = -20/-2

x = 10

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2 years ago

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Find the slope of the line through each pair of points (0,1) and (3,0)

Brut [27]

$\bf (\stackrel{x_1}{0}~,~\stackrel{y_1}{1})\qquad
(\stackrel{x_2}{3}~,~\stackrel{y_2}{0})
\\\\\\
slope = m\implies
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