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vampirchik [111]
3 years ago
10

Find the gradients of lines a and b

Mathematics
1 answer:
Yanka [14]3 years ago
3 0

Answer:

a 2

b -1

Step-by-step explanation:

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1 - (2n + 9) = 4(1-2)
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Answer:

n=-2

Step-by-step explanation:

1−(2n+9)=4(1−2)

1+−1(2n+9)=4(1−2)

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1+−2n+−9=4(1−2)

1+−2n+−9=−4

(−2n)+(1+−9)=−4

−2n+−8=−4

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−2n−8+8=−4+8

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Divide both sides by -2

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n=-2

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3 years ago
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A ray lies on the line MN←→−. It starts at point Q and passes through the points P and R. Which of the following is a correct na
pogonyaev

Answer:

please mark my answer brainliest

Step-by-step explanation:

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