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shusha [124]
3 years ago
12

Write 7/20 as a percent. By what factor should you multiply the denominator and numerator?

Mathematics
2 answers:
levacccp [35]3 years ago
6 0

Answer:

35%

Step-by-step explanation:

Use photomath it tells you everything.

andreyandreev [35.5K]3 years ago
5 0

Answer:

You should multiply the numerator and the denominator by 5. 35%

Step-by-step explanation:

7/20*5/5=35/100

35%

To get from fraction to percent you need the denominator to be 100. To get the denominator 20 to 100 you need to multiply by 5. Then we just take the numerator and add a percent symbol.

You should multiply the numerator and the denominator by 5. 35%

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Step-by-step explanation:

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Andrei [34K]

Answer:

117 m^{2}

Step-by-step explanation:

First think of the square that was removed.  All 4 sides are equal but you don't know the length so lets gives them the variable X.

So to find the area of the rectangle, insert those variables into the area equation for a rectangle.

(RV + (X) ) (PT +(X)) = rectangle area

Now you are given what the area is if you remove the square.  So subtract the the square's area from the equation above and set it equal to the size they told you.

(RV + (X)) (PT + (X))  - [(X)(X)] = 92m^{2}

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Now plug in the numbers you know and solve for X.

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Use FOIL to multiply the first part of the equation (first, outer, inner, last)

32 + 8x + 4x + x^{2} -  x^{2}  =  92

32 + 12x = 92

12x = 60

x = 5

So now you know the size of the square.  Each side is 5m.  So add 5m onto the top of the rectangle and onto the side.  The top is 13m and the side is 9m.  The area of the rectangle is the length times the height to 13 x 9 which is 117 m^{2}

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2 years ago
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Mandarinka [93]

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Square both sides:_

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Lets look for for any extraneous solutions:-

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so x = 5 is a solution

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3 years ago
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Answer:

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Step-by-step explanation:

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Answer:

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