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andrew11 [14]
3 years ago
15

Find an equation of the line through (4,6) and parallel to y=3x+7

Mathematics
1 answer:
Alex3 years ago
3 0

Answer: y = 3x - 6

Step-by-step explanation: A line that is parallel to another line must have the same slope, so you already have y = 3x + b. To find b, use the point that they give. b is the y-intercept, so just subtract 3(x) from the y coordinate of the point, where x is the x-coordinate of the given point.

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4800 persons run a marathon, 1200 reach the finish line. What is the percent of people reach the finish line at the marathon?
Ket [755]

Answer: 25%

Step-by-step explanation: So first make the number of people who ran the marathon and the number of people who finished the marathon into a ratio

1200:4800

then make that into a fraction, 1200/4800

then make the percent of people who reached the marathon into a fraction, using 100 as the denominator and a variable as the numerator.

for example. p/100 (p, represents the percent)

then cross multiply.

1200x100=1200000

Last divide 1200000 by 4800 to get 25%.

7 0
2 years ago
Find an equation for the line that passes through the points (-4, -1) and (6, 3)
skad [1K]

Answer:

y=2/5x+3/5

Step-by-step explanation:

Use the slope formula to get the slope:

m=4/10

m=2/5

The y intercept is 3/5

The equation is y=2/5x+3/5

3 0
3 years ago
Read 2 more answers
First right answer FOR BOTH gets brain
Orlov [11]
- 32 - (-5) =
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64 - (-6) =
64 + 6 =
70




7 0
3 years ago
Find the midpoint of the segment connecting the points (2,-7) and (-7,9).
True [87]

Answer:

(-2.5,1)

Step-by-step explanation:

hope that helps

4 0
3 years ago
Khloe has 28 coins in her collection. That is five more than kourntey has. How many does kourtney have?
AnnyKZ [126]

28 is five more than 23

7 0
3 years ago
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