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There are 12 green balls and (x+2) yellow balls in a box. If the probability of selecting a green ball at random is 2/5, find the value of x.
answered
Mar 1, 2020
Mathematics
middle-school
1
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178k
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Indicate two reasons why malaria is not easily diagnosed
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Feb 25, 2020
Biology
middle-school
3
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40.9k
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