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Ira Lisetskai [31]
3 years ago
10

What is the percentage of 7 out of 12 show work

Mathematics
2 answers:
Goshia [24]3 years ago
6 0

if we take 12 to be the 100%, what is 7 off of it in percentage?


\bf \begin{array}{ccll}amount&\%\\\cline{1-2}12&100\\7&x\end{array}\implies \cfrac{12}{7}=\cfrac{100}{x}\implies 12x=700\\\\\\x=\cfrac{700}{12}\implies x=\cfrac{173}{3}\implies x=58\frac{1}{3}\implies x = 58.\overline{33}

Nata [24]3 years ago
5 0

Convert the fraction to a decimal, then multiply by 100.

The answer: 58.̅3̅%

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If 57 is added to a number, it will be 4 times as large as it was originally. Find the number.
Sonja [21]

Answer:

19

Step-by-step explanation:

X will refer to the number.

X+57( the number added to the original.)=4x. (x time 4)

X+57=4x.

Subtract x from both sides to get the variable on one side.

(X+57)-x =(4x)-x

57=3x. You would then divide by 3 on both sides to again get integer isolated.

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57/3=19. 3/3=1.

19=x.

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2 years ago
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3 years ago
What is the slope of the line through [-1,2] and [2,-3]
Gennadij [26K]

Answer:

-3/5

Step-by-step explanation:

to figure that out you have to do y^2 - y^1/ x^2 - x^1

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3 years ago
According to the property √a/√b=√a/b, which choice is equivalent to the quotient below? √35/√7​
Ilya [14]

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D

Step-by-step explanation:

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