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riadik2000 [5.3K]
3 years ago
14

Jill says he did it wrong. He should have multiplied the bottom first (3 x 5) and then multiplied by the height. Explain to Jill

why Jack's method works and is equivalent to her method.
Mathematics
1 answer:
inna [77]3 years ago
8 0

Answer:

Step-by-step explanation:

Jack's method is equivalent because of the "law of commutative property", which means that multiplication problems have the same result no matter the order.

2x5 is the same as 5x2

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What is the solution to the following system?<br> -4y=8 <br> x+3y-3z=-26<br> 2x-5y+z=19
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⓵
-4ỿ = 8

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⓶
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Simplify the left side in order to isolate the ×, ỿ and z!

× + 3y - 3z = -26
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⓷
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