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Salsk061 [2.6K]
3 years ago
6

Solve the system of equations by substitution. 5x + y =18 Y=4x

Mathematics
1 answer:
mixer [17]3 years ago
6 0

Answer:

x =2 y= 8

Step-by-step explanation:

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Segment MN has endpoints at M(-5, 4) and N(7, -5). What is the midpoint of MN???? PLZ HELP
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dem82 [27]
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3 years ago
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Mr. Williams is building a sand box for his children. It cost $228 for the sand if he builds a regular-sandbox with dimensions 9
erastovalidia [21]

Answer:

It will cost $512.73

Step-by-step explanation:

9 in by 6 in sandbox cost $228

i.e., 9*6 = 54 in²

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≈ $4.22

If the new dimension is 13 1/2 in by 9 in

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The cost of 121.5 in² will be

121.5*4.22 = $512.73

3 0
3 years ago
Help I'm so confused please <br>T-$5.60=1.04 <br>T= ?​
Harrizon [31]

Answer:

Step-by-step explanation:

First, you would have to make it so that T is on one side and everything else is on the other. You would end up with this:

T=1.04+5.60

Solve. You should get to this:

T=6.64

6 0
3 years ago
What is this answer
Morgarella [4.7K]

Answer:multiply it by it self

Step-by-step explanation:49×49=________

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3 years ago
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