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scoray [572]
2 years ago
13

CAN SOMEONE HELP ME?

Mathematics
2 answers:
Nikolay [14]2 years ago
8 0
The answer is D, y=2x+3.
Gnom [1K]2 years ago
4 0

Answer:

D

Step-by-step explanation:

y = 2x + 3

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mezya [45]

Answer:

27 I think just divide 81 by 3

7 0
1 year ago
X−8π=π someone help me answer this
Ann [662]

Answer:

x = 9

Step-by-step explanation:

First step, divide both sides by pi to get rid of it entirely; you should be left with x - 8 = 1 (because when you divide a value by itself, you always get 1, so pi divided by pi gives you 1)

Second step, add 8 to both sides, leaving you with x = 9

4 0
2 years ago
1. 3x + y = 11<br> 5x - y = 21
sergeinik [125]

Answer:

[4, -1]

Step-by-step explanation:

Using the Elimination Method:

3x + y = 11

5x - y = 21

__________

8x = 32

__ ___

8 8

x = 4 [Plug this back into both equations to get the y-coordinate of -1]; -1 = y

The <em>y</em>'s are already <em>additive</em><em> </em><em>inverses</em><em> </em>[result in 0], canceling each other out.

I am joyous to assist you anytime.

4 0
3 years ago
Evaluate -3x 3 - 4x for x = -1. 1 7 -1
7nadin3 [17]
-3x^{3}-4x
=-3(-1)^{3} -4(-1)
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5 0
3 years ago
Percentages. 5 1/4% multiplied by what equals 42?
Svetlanka [38]

Answer:

x = 800

Step-by-step explanation:

0.0525 × x = 42

x = 800

6 0
2 years ago
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