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bekas [8.4K]
2 years ago
11

20 is 40% of what number

Mathematics
2 answers:
zaharov [31]2 years ago
7 0

Answer:

50

Step-by-step explanation:

tensa zangetsu [6.8K]2 years ago
5 0
Is means equal

of means multiplication

so

20 = 40% x a

40% = 40/100 = 4/10 = 2/5

So

20 = 2/5 x a

Multiply both sides by 5/2

20 x 5/2 = a

10 x 5 = a

a =50

So your final answer is \boxed{\bf{50}}
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Answer:

3m = 18

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6 0
2 years ago
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Using a 16-sided number cube, what is the probability that you will roll a multiple of 4 or an odd prime number? The number 1 is
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<h3>Answer: 0.563 (choice C)</h3>

================================================

Explanation:

E = event space

E = set of outcomes we want to happen

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E = {4,8,12,16     3,5,7,11,13}

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-----

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P(E) = probability of event space occurring

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P(E) = n(E)/n(S)

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P(E) = 0.5625

P(E) = 0.563

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