pearliepearls pearliepearls

24-08-2016
Mathematics

contestada

Simplify 21xyz Over 28yz

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Аноним Аноним

24-08-2016

21xyz/28yz=[(7yz)(3x)] / [(7yz)(4)]=3x/4

Answer: 21xyz/28yz=3x/4

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olemakpadu olemakpadu

24-08-2016

21xyz / 28yz

The yz at the top cancels out the yz at the bottom

21x / 28

7 into 21 is 3, and 7 into 28 is 4

3x / 4

= 3x / 4.

I hope this helps.

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