Seudónimo Seudónimo

04-02-2017
Mathematics

contestada

What is the answer to
2/5 =2/10+k

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Unknow1 Unknow1

04-02-2017

2/5 = 2/10 + k
multiply both sides (each term) by 10, we get
10×2/5 = 10× 2/10 + k ×10
4 = 2 + 10k
OR 10k = 4 - 2
10 k = 2
k = 2 / 10
Or k = 1/5

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meg6623 meg6623

04-02-2017

k=1/5=0.200
rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation.
2/5-(2/10+k)=0

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