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Rufina [12.5K]
3 years ago
15

Two ladders are leaning against a wall at the same angle, as shown. How long is the short ladder? (The long ladder is 70×50) (Th

e short ladder is 20×?)
A.) 28 ft
B.) 175 ft
C.) 25 ft
D.) 20 ft
Mathematics
1 answer:
Ahat [919]3 years ago
6 0

Idk but add me on epic my username is APB1203

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How do u regroup when u find the sum of 64+43
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What we are going to do is use the DISTRIBUTIVE PROPERTY. This distributive the numbers, to make it easier to solve.

So we will break 64 up.

64 = 60 + 4

43 = 40 + 3

60 + 40 = 100

4 + 3 = 7

100 + 7 = 107

So, 64 + 43 = 107.

Hope I helped ya!!!!!!!

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3 years ago
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Why would "-7" in the expression (x^2+3)-(x-7) become positive?
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