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Alexandra [31]
3 years ago
14

Why do you need to find the common denominator to simplify

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
8 0
Because then you can just add the tops like they are
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Solve. 5x - 5 = 50 A) x = 8 B) x = 9 C) x = 10 D) x = 11
Angelina_Jolie [31]
The answer would be D) x = 11.

Add 5 to both sides (5x = 50 + 5)

Simplify 50 + 5 to 55 (5x = 55)

Divide both sides by 5 (x = 55/5)

Simplify 55/5 to 11 (x = 11)
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3 years ago
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Step-by-step explanation:

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An employee’s new salary is $26.355 after getting a 5% raise. What was the salary before the increase pay?
Serga [27]

Answer:

$25.03725

Step-by-step explanation:

<u>Step 1:  Multiply both sides by %5 to get the raise</u>

26.355 * %5 is same as 26.355 * 0.05

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<u>Step 2:  Subtract the raise from the new salary</u>

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Answer:  $25.03725

5 0
3 years ago
5x=4y make x the subject
oee [108]

Answer:

x = \frac{4y}{5}

Step-by-step explanation:

5x = 4y\\\rule{150}{0.5}\\\frac{5x=4y}{5}\\\\\boxed{x = \frac{4y}{5}}

Hope this helps.

4 0
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Alice has 1/5 as many miniature cars as Sylvester has Sylvester has 35 miniature cars how many miniature cars does alic have?
const2013 [10]
The answer is 7. Since Alice has 1/5 as many cars as Sylvester. You multiply 1/5 by how many cars Sylvester has. Sylvester has 35 cars, so you would do 35 times 1/5 or 35 divided by 5 (multiply by 1/5 and divided by 5 are the same thing) and you would get your answer of 7.
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