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DaniilM [7]
3 years ago
13

Need help with #12 ASAP. What is the equation of a line that is perpendicular to the line y= -1/2x+7 and passes through the poin

t (4,10)?

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
6 0

Answer:

y - 10 = 2(x - 4)

Step-by-step explanation:

Recall this:  The slope of a new line perpendicular to a given line is the negative reciprocal of the slope of the given line.

Thus:  The slope of the new line is the negative reciprocal of (-1/2), or +2.

Using the point-slope formula for the equation of a line,

y - k = m(x - h)

becomes

y - 10 = 2(x - 4)

This could also be written as y = 2x - 8 + 10, or y = 2x + 2

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1/2 x + 13 = 9 (x Is Variable)
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Answer:

x= -8

Step-by-step explanation:

1/2x + 13=9

- move 13 to the other side

1/2x= 9-13

-simply 9-13

1/2x= -4

-multiply 2 on both sides

1x=-8

x=-8

3 0
3 years ago
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Bobby describes two lines to Frank, telling him that beginning at point A, line #1 goes up 3 units and to the right 8 units, whi
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When a line changes position from one point to another, the movement is referred to as transition.

<em>Bobby does not have enough information to make a valid conclusion.</em>

The movements of the lines are given as:

<em>Line 1: 3 units up and 8 units right</em>

<em>Line 2: 8 units down and 3 units right</em>

The given information only describes the movement of both lines, but does not give details about the initial relationship between the lines.

<em>Hence, no valid conclusion can be made with the given information.</em>

Read more about lines at:

brainly.com/question/5830373

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3 years ago
What terms apply to angle Dea and angle aeb
harkovskaia [24]

Answer:

What is angle "Dea"

Step-by-step explanation:

And what is "aeb"

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Suppose you put $150 in the bank for 2 years at a 3% simple annual interest rate. How much interest will you have earned at the
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Find the radius of a sphere with a surface area of 1024π square inches
agasfer [191]

Answer:

<h2>R = 16 in</h2>

Step-by-step explanation:

The formula of a Surface Area of a sphere:

S.A.=4\pi R^2

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We have

S.A.=1024\pi\ in^2

Substitute:

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R^2=256\to R=\sqrt{256}\\\\R=16\ in

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