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Kamila [148]
3 years ago
10

Which equations represent the line that is parallel to 2x-7y=9 and passes through the point

Mathematics
1 answer:
almond37 [142]3 years ago
4 0

Answer:

e. 2x - 7y = 31.

Step-by-step explanation:

If you want a line parallel to the equation, the line must have the same slope.

2x - 7y = 9

-7y = -2x + 9

y = 2/7x - 9/7

You are looking for a line where the slope is 2/7.

a. Slope is 7/2.

b. Slope is -7/2.

c. Slope is 7/2.

d. Slope is...

y + 2 = 3/4x + 3

y = 3/4x + 1

Slope is 3/4.

e. Slope is -2/-7, which is 2/7. Just make sure to check whether it passes through (5, -3) by substituting those points into the equation.

2 * 5 - 7 * -3 = 31

10 --21 = 31

10 + 21 = 31

And there's your answer: e.

Hope this helps!

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3 years ago
What is the value of the expression?
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Answer:

41

Step-by-step explanation:

Use the correct order of operations and do one step at a time to avoid making mistakes.

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6 0
3 years ago
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Shawna is practicing typing. She types 456 words in 10 minutes.If she types the same number of words each minute how many words
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Answer:

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The original quantity is 20 and the new quantity is 15. Adam incorrectly says the percent decrease is about ​14.29%. What is the
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Answer: A. divided the difference of the two quantities by the sum of the two quantities.

===================================================

Explanation:

The difference of the quantities is 20-15 = 5

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Dividing those results leads to 5/35 = 0.142857 which rounds to 0.1429

That converts to 14.29%

This is likely the path Adam took. This path is incorrect. The correct steps are shown below

---------------------

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Here's another way to approach the problem

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