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tester [92]
4 years ago
13

Amy makes a rectangular poster with an area of 21+28m square inches. The width of the poster is 7 inches as shown in the followi

ng diagram. What is the length of the poster?

Mathematics
1 answer:
Lesechka [4]4 years ago
8 0
You could use simple factoring to solve this. You would factor out a 7 and then have

7(3+4m) = A

l x w = A

w= 3 +4m
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Answer:

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Step-by-step explanation:

7 0
3 years ago
Help, I need it fast! D:
patriot [66]
Let's solve this problem step-by-step.

STEP-BY-STEP SOLUTION:

Let's first establish the simple interest formula which we will require to solve this problem as displayed below:

Simple Interest = Principal × Rate of Interest × No. of Time Periods

I = PRN

Now let's substitute the values from the problem into this formula as displayed below:

I = $90

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ANSWER:

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D ) $500

Please mark as brainliest if you found this helpful! :)
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5 0
3 years ago
3/5x + 1/2y=30 in need x and y intercepts step by step please
Free_Kalibri [48]
Substitute X or Y With 0 So It Would Be 3/5(0) +1/2y = 30
1/2y=30
Divide Get Y And Do The Same For X
4 0
4 years ago
Read 2 more answers
Resuelve: 4.) 8(x - 9) + 6 = 14​
Snezhnost [94]
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4 0
3 years ago
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What equation is missing in the steps to solve 1/2x + 6 = 2? *
Ivahew [28]

Answer:

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Step-by-step explanation:

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x=-8\\

Hope this helps, have a great day:)

6 0
3 years ago
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