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VikaD [51]
3 years ago
10

Determine the equation of a line that passrs through the point (4,-1) and also parallel to y=3x+4

Mathematics
1 answer:
nexus9112 [7]3 years ago
5 0
First, plug in the given point into y=mx +b to find b (the y-intercept of the line). Use the same slope (m) in the equation since parallel lines have the same slope (3 in this case).

-1 = 3(4) +b
-1 = 12 + b Subtract 12 to both sides.
-13 = b

Now, put your m and b into y=mx+b.

The final answer/equation of your line is:

y=3x -13
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Does anybody know it part 2
makvit [3.9K]

Answer:

x = 33

Step-by-step explanation:

(x + 13) + (4x + 2) = 180

x + 13 + 4x + 2 = 180

5x + 15 = 180

5x = 180 - 15

5x = 165

x = 165/5

x = 33

Check:

(x + 13) + (4x + 2) = 180

(33 + 13) + 4(33) + 2 = 180

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4 0
3 years ago
A washer and dryer cost $869 combined. The washer cost $81 less than the dryer. What is the cost of the dryer?
marysya [2.9K]
W+d=869
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plug in
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let's check w=475-81
w=394
475+394=869
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7 0
3 years ago
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Yuri [45]

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Answer:

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Step-by-step explanation:

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2 years ago
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