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Alex787 [66]
3 years ago
9

9 and 5/12 - 3 and 2/3

Mathematics
1 answer:
lana [24]3 years ago
5 0
Recall to always convert the mixed fractions to "improper" fractions first,

\bf \stackrel{mixed}{9\frac{5}{12}}\implies \cfrac{9\cdot 12+5}{12}\implies \stackrel{improper}{\cfrac{113}{12}}
\\\\\\
\stackrel{mixed}{3\frac{2}{3}}\implies \cfrac{3\cdot 3+2}{3}\implies \stackrel{improper}{\cfrac{11}{3}}\\\\
-------------------------------\\\\
\cfrac{113}{12}-\cfrac{11}{3}\impliedby \textit{clearly our LCD is 12}\implies \cfrac{113-(4)11}{12}
\\\\\\
\cfrac{113-44}{12}\implies \cfrac{69}{12}\implies 5\frac{9}{12}
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xxTIMURxx [149]
So 12% of a number is $75
12% of x is 75
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0.12 * x = 75
divide both numbers by 0.12
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To check:
12% of 625 =?= 75
75 = 75

Hope this helps
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3 years ago
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3 years ago
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rodikova [14]

Answer:

Step-by-step explanation:

hello :

100+(n-2)² = 149

100-100+(n-2)² = 149-100

(n-2)² = 49  

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(n-2)² - 7²  =0   use identity : a²-b²=(a-b)(a+b)

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5 0
3 years ago
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Fed [463]

Answer:

8/12, 3/12

Step-by-step explanation:

Least common multiple for 3 and 4 is 12. So the denominator should be 12.

For the fraction 2/3, multiply the numerator and denominator by 4 so you will get :

2/3 * 4/4 = 8/12

For the fraction 1/4, multiply the number and denominator by 3 so you will get:

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3 years ago
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