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melamori03 [73]
3 years ago
6

Which expression is equivalent to the expression 6(-2n + 7) - 3(5n + 9)?

Mathematics
1 answer:
timurjin [86]3 years ago
3 0
-27n+15 is your answer
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Solve Systems of Equations Algebracallyy=x+2 y=-3x
Sphinxa [80]

y = x + 2

y = -3x

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y = x + 2

-3x = x + 2

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x = -2/4

x = -1/2

Now put x = -1/2 in y = -3x

y = -3x

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Someone plz help me i'm so confused<br> (click on picture)
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Answer:

the equation to finding slope is this:

y2-y1 / x2-x1

Where y2 is the y value of the second point, y1 is the y value of the first point, x2 is the value of the second x value, and x1 is the x value of the first point.

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Step-by-step explanation:

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0.8342 as a fraction?
ratelena [41]

Answer:

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I need help in area it's hard
Fofino [41]
The area is the length times the width. Find area of shapes by counting unit squares. Some shapes will require combining partial square units to find area.<span>  

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Area = Length * width  

The length is <span><span>5</span></span> centimeters. The width is <span><span>4</span></span> centimeters. So the area is <span><span>5 times </span>4</span> square centimeters.

= 20 square centimeters 
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3 years ago
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