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3 years ago

60 percent of a number is 66. Which proportion best represents this relationship.

Mathematics

1 answer:

adoni [48]3 years ago

6 0

Answer:

Step-by-step explanation:

If 60% or .60 of a number is 66, then we write and equation to solve for the original number, x.

.6x = 66 Divide each side by .6

.6x/.6 = 66/.6

x = 66/.6

x = 110

as a proportion it would be:

60:100 = 66:110

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3 years ago

What x-value makes the set of ratios equivalent? Tiles 2 : 3 = 6 : x ,4 : 7 = x : 42 , 2x : 48 = 3 : 12, 12 : 15 = x : 20

Naya [18.7K]

Step-by-step explanation:

2 : 3 = 6 : x ,

Ratio can be written as

$\frac{2}{3} = \frac{6}{x}$

2*3 = 6, we multiply top and bottom of fraction by 3

$\frac{2*3}{3*3} = \frac{6}{9}$

So value of x=9

4 : 7 = x : 42 ,

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So value of x=24

2x : 48 = 3 : 12,

$\frac{2x}{48} = \frac{3}{12}$

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12 : 15 = x : 20

$\frac{12}{15} = \frac{x}{20}$

$15 * \frac{4}{3} = 20$ ,

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So value of x=16

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3 years ago

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What is the probability that a randomly drawn marble from bag is green. Given that it is not red?

tatiyna

Answer:

The probability is 0.2, or 20%.

Step-by-step explanation:

A probability is the ratio of the number of relevant outcomes and the number of all possible outcomes. If we know that the marble drawn is not red, the number of possible outcomes N is

N = (number of blue marbles) + (number of green marbles) = 25

and the number of relevant outcomes (marble being green) is n:

n = (number of green marbles) = 5

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P = n / N = 5 / 25 = 1 / 5 or 0.2, or 20%

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3 years ago

9/100 in simplest form?

shutvik [7]

9/100 is 9/100 in its simplest form.

You can also say that 9/100=0.09

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