novi18
novi18
16-09-2018
Mathematics
contestada
3/21 =1/x what’s the value of x
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Sylvia1111
Sylvia1111
16-09-2018
The value of x is 7 because 3/21= 7 so it’s the same as 1/7.
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suspho
suspho
16-09-2018
3 : 21 = 1 : x
x = 21 * 1 : 3
x = 7
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