kritalplusazh kritalplusazh

17-09-2017
Mathematics

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Solve porpotonial relations help answer and work please

Solve porpotonial relations help answer and work please class=

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Sephora04 Sephora04

18-09-2017

5.
First, cross multiply the original fractions. You'll get:
2.5d=(2·35)

To isolate the variable d, divide both sides by it's coefficient, 2.5:
2.5d/2.5=70/2.5

The result is d. The value of d is 28.
d=28

6.
3.5(36)= 18z

126= 18z

7= z

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