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olasank [31]
3 years ago
7

Find the number, if 15% of it is equal to 9.

Mathematics
2 answers:
BlackZzzverrR [31]3 years ago
7 0

Answer: 60

Step-by-step explanation:

9/15 = 0.6 = 1%    1% x 100 = 100%     so 0.6 x 100 = 60

IgorLugansk [536]3 years ago
4 0

Answer: 60

Step-by-step explanation:

9/15 = 0.6 = 1%    1% x 100 = 100%     so 0.6 x 100 = 60

RSM is fun!

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When the sugar bowl is full, it weighs 740 grams. How many tablespoons of sugar can the bowl hold?
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An Internet service has a monthly access fee of $24.95 and a connection fee of $0.25 per hour. The function y=0.25x+24.95 repres
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The area of one face of a cube is 25 square centimeters. What is the volume, in cubic centimeters, of the cube?
Umnica [9.8K]

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3 years ago
I don’t know how to do this can someone help?
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Step-by-step explanation:

4 0
3 years ago
recent research indicated that about 20% of british children are deficient in vitamin d. suppose doctors test a group of element
blsea [12.9K]

If about 20% of British children are deficient in vitamin and doctors test a group of elementary school children, the probability that the first vitamin d-deficient child is the 8th one tested is 4.19% determined using geometric distribution formula.

In probability and statistics, geometric distribution refers to the probability that first success would occurs after n number of trials and is given by:

P(X)=q^(x-1)p

Where p is the probability of success and q is (1-p)

In this case,

p=probability of children deficient in vitamin= 0.2

q= probability of children not deficient in vitamin= 0.8

Hence,

P(8)=0.8^(8-1)*0.2= 0.0419

Hence, the probability that 8th child is deficient is 4.19%

Learn more about geometric distribution:

brainly.com/question/14957440

#SPJ4

8 0
1 year ago
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