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AysviL [449]
3 years ago
6

What is 3.8 repeating as a fraction in simplest form

Mathematics
1 answer:
Olin [163]3 years ago
6 0
\bf 3.8888888\overline{8}\\\\
-------------------------------\\\\
x=3.8888888\overline{8}\qquad thus\qquad 
\begin{array}{llcll}
10x&=&38.888888\overline{8}\\
&&\downarrow \\
&&35+3.8888888\overline{8}\\
&&\downarrow \\
&&35+x
\end{array}
\\\\\\
10x=35+x\implies 9x=35\implies x=\cfrac{35}{9}

the idea being, you multiply the "x" by some power of 10 that moves the repeating part to the left of the decimal point and the split it like above.
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A student writes an incorrect step while checking if the sum of the measures of the two remote interior angles of triangle ABC b
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The correct answer is A.  All triangles' interior angles equal 180.
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Aria studied the traffic trends in India. She found that the number of cars on the road increases by 10% each year. If there wer
denpristay [2]

Answer:

8,800,000cars

Step-by-step explanation:

Given the initial amount of cars = 80,000,000

If there is 10 % increase in the first year;

Increment = 10% of 80,000,000

Increment = 0.1 * 80,000,000

Increment = 8,000,000

Amount of car in year 2 = 80million + 8million = 88million

Year3;

Amount of car in year 3 = 88,000,000+(10%of88million)

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7 0
3 years ago
Roger has 2 1/2 cups of butter. A recipe for a loaf of bread requires 3/4 cup of butter. How many loaves can Roger bake?
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He can make 3 loaves of bread, with a remainder of 1/4 cup of butter.
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What should we subtract from 50/29 to get 24
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Answer:

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50/29 - {- 22.28} = 24

1.72+ 22.28 = 24 ---correct.

7 0
3 years ago
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