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Sauron [17]
3 years ago
8

Need help thank you very much

Mathematics
1 answer:
FromTheMoon [43]3 years ago
7 0

Answer:

a is 625        work: 5*5*5*5=625

b is 16807     work: 7*7*7*7*7=16807

c is 0.0625    work: .5*.5*.5*.5

d is 2744         work: 14*14*14

Step-by-step explanation:

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<h3>What is allegation?</h3>

Allegation is a method to find the ratio in which two or more indignant are mixed to produce a mixture or solution.

Given information-

A scientist needs 10 L of a solution that is 60% acid.

The percentage of two acid solution are 50% and 90%.

Variable<em> x</em><em> </em>represent the number of liters of the 50% solution.

Variable<em> y </em>represent the number of liters of the 90% solution.

Quantity of acid from 50% solution is 0.5x liters, and quantity of acid from 90% solution is 0.9x liters.

As the scientist needs 10 L of a solution that is 60% acid. Therefore the quantity of acid in 60 percent acid solution is,

a=10\times\dfrac{60}{100} \\a=6

Thus 6 liters of acid required by the scientist. As to get the 6 liters of acid from 50% and 90 percent solution, we need to add the amount of acid in these solutions.Thus,

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Hence the equation represents the total liters of acid that are needed is,

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Learn more about the mixture and allegation  here;

brainly.com/question/24372098

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