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Delvig [45]
2 years ago
8

SOMBoDY HELP I pICKED A RANDOM ANSWER aND I DOnT kNoW IF iT IS rIGhT

Mathematics
2 answers:
Bingel [31]2 years ago
4 0

Answer:

Yes.. you are correct!

Step-by-step explanation:

Please give me brainliest.

Diano4ka-milaya [45]2 years ago
3 0

Im not exactly sure, but I think what you have is right. Show the question, of the problem. So, I can make sure!

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Write an equation perpendicular to x - 4y = 20 that passes through the point (4, -3)
Nina [5.8K]

Answer:

y = - 4x + 13

Step-by-step explanation:

In order to do this problem you would need a whole new equation, but you will use what is given to you:

instead of going with:

x - 4y = 20

Turn it into y = mx + b form, also known as slope-intercept form:

x - 4y = 20

-x       = -x

_________

- 4y = 20 - x

Then divide both sides by - 4:

\frac{-4y}{-4} = \frac{-x + 20}{-4}

You will then get:

y = \frac{1}{4}x - 5

From this equation we will only need the slope!

m || = \frac{1}{4}

(This slope is for parallel)

but if you want perpendicular to the slope, then we need the negative reciprocal!

Negative reciprocal is a flipped version of the value that is negative, for example:

2 = -\frac{1}{2}

Because \frac{2}{1} = 2

Now we will find the perpendicular slope which is:

m ⊥ = - 4

Now substitute this slope into slope intercept form:

y = mx + b

(-3) = -4(4) + b

(Take away parentheses)

-3 = -16 + b

(Move - 3 to the other side, by making it positive, but what you do to one side, you do to the other)

= -13 + 6

(Move - 13 to the other side, by make - 13 into +13)

+13 = +13

________

13 = b

(This is you b, also known as you intercept)

Your answer is:

y = -4x + 13

8 0
3 years ago
When Jeremy surveyed thirty 7th-grade students at the community pool, he found that 2/15 had not read at least one book during J
WITCHER [35]

.....Jeremy did not make a good inference. The ratio is not in proportion to 2/15. The correct inference would be about 26 students who did not read any books in July. The sample might be biased since it was limited to those at the pool....

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3 years ago
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When you don't know the answer on a multiple-choice questions it is generally best to
cluponka [151]
When you don't know the answer on a multiple-choice questions it is generally best to guess a random answer instead of leaving it blank.
Can you follow me and like me please? I hope i can help you more.☺
5 0
3 years ago
Read 2 more answers
Can you help me plsssssssss
denpristay [2]

Answer:

im 70% sure that its D

Step-by-step explanation:

I hope i helped sorry if im wrong :D

3 0
2 years ago
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Each square on a chessboard. 2.7 inches on each side. What area of one square on chessboard. HURRY I NEED THIS TMR
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2.7 * 2.7 = 7.29

Hope this helps
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