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Misha Larkins [42]
3 years ago
9

What is the slope of a line perpendicular to the line whose equation is x + 2y =8.

Mathematics
1 answer:
Mademuasel [1]3 years ago
6 0

Answer:

2

Step-by-step explanation:

First, put the line into y = mx + b form to find the slope (m)

x + 2y = 8

Subtract x from both sides

2y = -x + 8

Divide each side by 2

y = -1/2x + 4

So, the slope of this line is -1/2

Perpendicular lines have a opposite reciprocal slope, so the slope of a perpendicular line will be 2.

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Which of these numbers are divisible by 9? 7,625 4,932 9,180 2,969 9,180 and 4,932 2,969, 9,180, and 7,625 9,180 and 7,625 2,969
Andreas93 [3]

Answer:

The answer to your question is below:

Step-by-step explanation:

A number is divisible by 9 if the sum of all the individual digits is evenly divisible by 9.

7,625    example    7 + 6 + 2 +5 = 20  it's not divisible by 9

4,932                      4 + 9 + 3 + 2 = 19 it's not divisible by 9

9,180                                                18  it is divisible

2,969                                                26 it's not divisible by 9

9,180                                                18 it is divisible

4,932                                                18 it is divisible

2,969                                                26 it's not divisible by 9

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4 years ago
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The equation f = v at represents the final velocity of an object, f, with an initial velocity, v, and an acceleration rate, a, o
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<span>F = v + at. Do it step by step. 1) Subtract v from both sides => F - v = at 2) Divide both terms by t => [F - v] / t = a. Therefore, the answer is a = [F - v] / t This equation tells that the acceleration equals the difference of the final velocity and the initial velocity, divided by the time elapsed to reach the final velocity.</span>
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Find x and y if lxl + lyl = 0.​<br>please answer
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Step-by-step explanation:

The mode of anything is positive. Two positive values will result in the more than 0. Hence, answer is 0. The 0 + 0 = 0

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Find two different planes whose intersection is theline:x = 6 + 3ty = -8 - 3tz = -1 - tWrite equations for each plane in the for
alina1380 [7]

Answer:

x+y=-2 and 3z-y=5 are two such planes.

Step-by-step explanation:

To find the two planes whose intersection is the line

x=6+3t\\ y=-8-3t\\ z=-1-t

You can say that <em>t</em> is equal to this expression

t=\frac{x-6}{3} =\frac{y+8}{-3}=-z-1

Next,

\frac{x-6}{3} =\frac{y+8}{-3}\\ \frac{y+8}{-3}=-z-1

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x+y=-2 and 3z-y=5 are two such planes.

You can see in the image attached that the intersection of this planes is the line

x=6+3t\\ y=-8-3t\\ z=-1-t

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