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Leto [7]
3 years ago
8

What is an equation of the line that passes through the point 3,-1 and has a slope of 2

Mathematics
1 answer:
vekshin13 years ago
8 0
An equation that passes through the coordinates (3, -1) and has a slope of 2 would be y=2x-7 because since the slope is positive and is 2/1 the slope rises by 2 and runs 1 to right and eventually passes (3, -1) when it starts at -7 on the y-intercept. Answer: y=2x-7

Hope this helps you and would love brainliest! 
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square

Step-by-step explanation:

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i ran 3hrs and 2 mins to run 26 miles if i ran at the same rate for the whole race how many minutes did it take to run each mile
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3 years ago
Line j has a slope of − 2. Line d is perpendicular to line j and passes through the point( − 8 , 3 ).  Write the equation for
Zina [86]

Answer:

The equation is: y = 1/2x + 7

Step-by-step explanation:

The slope of j is -2. The slope of a line perpendicular to line j has a negative inverse: 1/2. The point is (-8, 3).

Use the point slope form of the equation:

y - y1 = m(x - x1)

Substitute:

y - 3 = 1/2(x - (-8))

y - 3 = 1/2x + 4

y = 1/2x + 4 + 3

y = 1/2x + 7

Proof:

Solve for f(x) when x = -8.

f(x) = 1/2x + 7

f(-8) = 1/2(-8) + 7

= -8/2 + 7

= -4 + 7

= 3, giving the point (-8, 3)

4 0
3 years ago
in the grid below, the vertices of triangle ABC are A(-1,9), B(7,2), and C(-1,2). Which is closest to the area of triangle ABC?
vovikov84 [41]

Answer:

28

Step-by-step explanation:

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3 years ago
Find the exact circumference of a circle with the given radius. 3¼ inches C = A.6.25π in. B. 6.5π in. C. 23.25π in.
Anna71 [15]

Answer:

The correct answer would be 6.5. because you would round 6 1/2 into 6.5. Also be sure when you are multiplying you have a mixed number.  

Step-by-step explanation:

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Read 2 more answers
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