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notsponge [240]
3 years ago
8

Solve for y: 4/y-5=5/2y

Mathematics
1 answer:
trasher [3.6K]3 years ago
5 0
<span>(4/y)-5=5/2y 
Solve for y. 
4/y - 5/2y = 5 

or (8-5)/2y = 5 [adding two terms in rhs] 
or 3 / 2y =5 
or 3 = 10y 
or 3/10 = y [ans]</span>
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Sidana [21]
Number of outcomes when flipping a coin = 2
Favorable outcome is landing on head.
So,number of favorable outcomes = 1

Probability of getting a head when flipping a coin = \frac{1}{2}

Number of outcomes when rolling a dice = 6
Favorable outcomes are rolling 4,5 or 6.
So,number of favorable outcomes = 3

Probability of getting 4 or a bigger number when rolling a dice = \frac{3}{6}= \frac{1}{2}

Thus the probability of getting a head when flipping a coin and getting a number equal to or greater than 4 when a dice is rolled = \frac{1}{2}* \frac{1}{2} = \frac{1}{4}

So, option A gives the correct answer
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3 years ago
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3 years ago
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