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Kobotan [32]
3 years ago
7

X y

Mathematics
2 answers:
jek_recluse [69]3 years ago
4 0
The answer is B for every change in x by 2, y changes by 4
EXPLANATION:
In the chart, each time they add 2 in the x (-4 +2 is -2, -2 + 2 is 0 and so on) in the y pile they add 4
Triss [41]3 years ago
3 0

Answer:

The answer for this problem is

D) for every change in x by 2, y changes by −4

Step-by-step explanation:

I know this because I just did the test

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Brilliant_brown [7]

Answer:

Step-by-step explanation:

What do you mean?

7 0
3 years ago
Math question help pls.
devlian [24]

Answer:

i dont know the first one, but the answer to the second question is 28

Step-by-step explanation:


6 0
3 years ago
If you add 21 to my number and then multiply the result by 3, you will get 84 more than two-thirds of my number. Find my number.
Ksivusya [100]

Based on the calculations, the unknown number is equal to \frac{-45}{7}

  • Let the unknown number be x.

<h3>How to find an unknown number:</h3>

Translate the word problem into an algebraic expression, we have;

Adding 21 to the unknown number:

21 +x

Multiplying the result by 3:

3\times (21+x)

84 more than two-thirds of the unknown number:

\frac{2x}{3} +84

Equating the equations, we have:

3\times (21+x) = \frac{2x}{3} +84\\\\43+3x=\frac{2x}{3} +84

Cross-multiplying, we have:

43+3x=\frac{2x}{3} +84\\\\129+9x=2x+84\\\\9x-2x=84-129\\\\7x=-45\\\\x=\frac{-45}{7}

Read more on word problems here: brainly.com/question/13170908

5 0
2 years ago
Find the mean 9,1,8,3,2,1 graphically.
adelina 88 [10]
10+11+3
21+3
24
24/6
The mean is 4
4 0
2 years ago
PLEASE HELP 20 POINTS!!
Harman [31]

Answer:

<u>D) x² - y = 10x + 25 + y</u>

Step-by-step explanation:

A relation only becomes a function if each x-value only has a single y-value as the answer.

<u>Evaluating</u>

  • A and B cannot be the answers as each value will get 2 answers
  • C will also not be the answer as y² means at least 2 answers will be given
  • <u>D</u> is the best option as each inputted x-value will get an answer of a single y-value
7 0
2 years ago
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