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Arisa [49]
3 years ago
6

Use the equation to answer the following question.

Mathematics
2 answers:
charle [14.2K]3 years ago
8 0
The answer is D I hope it helps
frutty [35]3 years ago
7 0

Answer:

d

Step-by-step explanation:

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Solve for x
Vilka [71]

Answer:

11

Step-by-step explanation:

1 x − 7 = 4

x=4+7=11

4 0
4 years ago
Tell whether (-4, 3) is a solution of the system of linear inequalities.
sergey [27]
<h3>Answer:  No, it is not a solution</h3>

Explanation:

Refer to the diagram below. The point (-4,3) marked in red is outside the blue shaded region. So it doesn't make both inequalities true, and therefore not considered a solution.

In contrast, a point like (-5,1) is a solution as it is in the shaded region.

Put another way, the set of all solution points must be below both the solid line and the dashed line. Points can be on the solid line, but must be adjacent to the blue shaded region. The fact (-4,3) is on the solid line doesn't count because its not below the dashed line.

4 0
2 years ago
How do I solve fro r and q?<br><br> 9r+q=13<br> 3r+2q=-4
olga55 [171]
One way to solve the system of equations would be to solve for q (in terms of r) in the first equation to get:
9r + q = 13
q = 13 - 9r

Then, take the value for q you just found and insert it into the second equation:
3r + 2(13-9r) = -4

Then simplify and solve:
3r + 26 - 18r = -4
-15r = -30
r = 2

Now that you have the value for r, plug it into either of the original equations and solve for q:
9r + q = 13
9(2) + q =13
18 + q = 13
q = -5

r = 2; q = -5
7 0
3 years ago
Read 2 more answers
Mary Ellen saves 15% of each of her paychecks for her college fund. If Mary Ellen saved $60 from her last paycheck, how much was
Shkiper50 [21]

Answer:

$400

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8 0
3 years ago
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HELP ASAP AGAIN PLSS!!!!! MAKRING BRAINLIST!! MATH!
jonny [76]

Answer:

200 I think I'm not entirely sure

6 0
3 years ago
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