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kipiarov [429]
2 years ago
15

I need help with this problem ​

Mathematics
1 answer:
katrin [286]2 years ago
5 0

9514 1404 393

Answer:

  (d)  y = -2x +8

Step-by-step explanation:

The parallel line will have the same x-coefficient, eliminating choices B and C. If it goes through point (4, 0), then (x, y) = (4, 0) will satisfy the equation.

  A: 0 = -2(4) +4 = -4 . . . . . not true

  D: 0 = -2(4) +8 . . . . . . . . true

The equation you're looking for is ...

  y = -2x +8

__

<em>Additional comment</em>

Since you know the slope is -2 and a point on the line is (4, 0), you can use the point-slope form of the equation for a line as a starting point.

  y -k = m(x -h) . . . . . . line with slope m through point (h, k)

For m = -2, and (h, k) = (4, 0), the equation becomes ...

  y -0 = -2(x -4)

Simplified to slope-intercept form, this is ...

  y = -2x +8

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Which ordered pair is a solution for 3x + 4y &lt; 12?
Andre45 [30]

Answer:

D, (1,2)

Step-by-step explanation:

It all comes down to substitution. In this case the coefficient of x is 3 and the coefficient of y is 4. The format of these coordinates being (x,y).

1. Plug in your x value (1 in this circumstance) and solve:

3(1) + 4y < 12

3 + 4y < 12

2. Plug in your y value (2 in this circumstance) and solve:

3 + 4(2) < 12

3 + 8 < 12

3. Solve

3 + 8 = 11

11 < 12

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2 years ago
Find the midpoint of a segment whose endpoints are (9, –7) and (–3, 5).
suter [353]
For this question, you would have to use the midpoint formula. 
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In other words, 
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3 years ago
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telo118 [61]

Answer:

a c and e

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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Read 2 more answers
D is the midpoint of line segment GH. GH = 3x - 1 and DH = 16. Find x.​
docker41 [41]

Answer:

3x-1=16*2

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3x=33/:3

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Step-by-step explanation:

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