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Roman55 [17]
3 years ago
9

Find an equation of the line that is perpendicular to y = 1/7x + 5 and has a y-intercept of — 2. Write your answer in the form y

= mx+b​
Mathematics
1 answer:
My name is Ann [436]3 years ago
5 0

y = 3x + 2 this is the answer if I am right

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Which is the equation of a line that passes through the points (1,4) and (-1,1)
horsena [70]

Answer:

The equation of the line is y = 3/2x + 5/2

Step-by-step explanation:

To find the equation of this line, start by using the two points with the slope formula to find the slope.

m(slope) = (y2 - y1)/(x2 - x1)

m = (4 - 1)/(1 - -1)

m = 3/(1 + 1)

m = 3/2

Now that we have the slope, we can use that and either point in point-slope form to find the equation.

y - y1 = m(x - x1)

y - 4 = 3/2(x - 1)

y - 4 = 3/2x - 3/2

y = 3/2x + 5/2

3 0
3 years ago
Suppose that 13 inches of wire costs 78 cents.
GarryVolchara [31]

Answer:

$0.42

Step-by-step explanation:

create a proportion:

13/.78 = 7/x

cross-multiply to get:

13x = 7(.78)

13x = 5.46

x = 5.46/13

x = .42

5 0
2 years ago
URGENT!! What is the surface area of a dome (a half sphere) with a radius of 6 meters?
Galina-37 [17]

Answer:

No

Step-by-step explanation:

Cause

7 0
2 years ago
How do you do a and b on this problem
gogolik [260]

for a all you have to do is * you will find the answer. for b what ever yo answer was for a u will put that for the hours n what u had * u put for min for seconds
8 0
3 years ago
The square on the right is a scaled copy of the square on the left. Identify the scale factor. Express your answer in simplest f
Harrizon [31]

Answer:

0.421875 or 27/64

Step-by-step explanation:

you divide the smallest by the bigest of the same side.

3 0
3 years ago
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