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Brums [2.3K]
3 years ago
12

Three times the first number plus two times the second number is 12

Mathematics
1 answer:
Vika [28.1K]3 years ago
3 0
First number - x
Second number - y

3x + 2y = 12.

This expression would represent a linear equation.
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The line contains the point (-4,-4) and is perpendicular to a line with a slope of 5/2 . The equation is this line is ?
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Answer:

2x + 5y + 28 = 0

Step-by-step explanation:

since they are perpendicular,

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m2 = -2/5

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y -y1 = M (x-x1)

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y +4 = -2/5 ( x + 4 )

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5y +20 = -2x - 8

2x + 5y +20 + 8 =0

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7 0
3 years ago
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A car dealership buys a car for $12,500 and sells it for $15,750. What is the percent markup( percent increase)
Natalka [10]

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8 0
2 years ago
Solve 2 (3d + 3) = 7 + 6d.
Leni [432]

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Then, you would combine the variables to be on one side of the equation by doing -6d. However, this would cancel out the d by leaving you with 0d+6=7. That is the same thing as saying 6=7.

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4 0
3 years ago
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Please help! posted picture of question
o-na [289]
C. 5x - 2y = 16 is your answer

plug in each point into the equation.

(2, -3)

x = 2, y = -3

5(2) - 2(-3) = 16
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(4,2)

x = 4, y = 2

5(4) - 2(2) = 16
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hope this helps
4 0
3 years ago
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