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ss7ja [257]
3 years ago
13

Y=9x+7,y=3x-11 i need to solve theeqayions by substition and show the work

Mathematics
1 answer:
djyliett [7]3 years ago
4 0
Times the second equation by 2 to get y=9x-33 and then subtract 
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Step-by-step explanation:

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In the diagram, the dashed figure is the image of the solid figure. What is the image of BC?
lozanna [386]
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RS is the answer. 
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What is the upper quartile of the box plot graph?
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Answer: Choice A) 90

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3 0
3 years ago
Select the point that is a solution to the system of inequalities. Yx^2-4?
ziro4ka [17]

Answer:

C (1,2)

Step-by-step explanation:

The point that is a solution must satisfy both inequalities;

The inequalities are;

y\:

y\:>\:x^2-4

Point A

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0\:: True

0\:>\:16-4:False

Point B (0,4)

4\:: False

4\:>\:0-4:True

Point C (1,2)

2\:: True

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4 0
3 years ago
• Solve the application problem.
musickatia [10]
Not sure what the length of the rectangle is but to find perimeter of a rectangle you can use the following formula

2w+2l= perimeter

The reason we multiply both the length and width by two is because there are two ends of the width and two ends of the length.

The other formula that would also work is as follows

w+w+l+l= perimeter


Hope it helps
3 0
3 years ago
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