3 years ago

What percent of 1/2 is 2/5

Mathematics

1 answer:

eimsori [14]3 years ago

4 0

1/2= 50%
2/5=40% is the answer

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A city has 3 new houses for every 9 old houses. If there are 21 new houses in the city, how many old houses are there?

kipiarov [429]

To find your answer you would divide 21 by 3 which would be 7, once you've got 7 you would multiply it by 9 which would give you the amount of old houses that there is which would be 63.

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3 years ago

Simplify (8^4/10^4)^-1/4using rational exponents

Vlad1618 [11]

Answer:

$(\frac{8^4}{10^4} )^{-\frac{1}{4} }$ = $\frac{5}{4}$

Step-by-step explanation:

Explanation

Given

$(\frac{8^4}{10^4} )^{-\frac{1}{4} }$

By using algebra formulas

$(\frac{a}{b} )^{m} = \frac{a^m}{b^n}$

$(\frac{8^4}{10^4} )^{-\frac{1}{4} } = \frac{(8^{4})^{\frac{-1}{4} } }{(10^{4} )^{\frac{-1}{4} } }$

$(a^{m} )^{n} = a^{mn}$

$\frac{(8^{4})^{\frac{-1}{4} } }{(10^{4} )^{\frac{-1}{4} } } = \frac{8^{4X\frac{-1}{4} } }{10^{4 X\frac{-1}{4} } }$

= $\frac{8^{-1} }{10^{-1} }$

$= \frac{10}{8} \\= \frac{5}{4}$

Final answer:-

$(\frac{8^4}{10^4} )^{-\frac{1}{4} }$ = $\frac{5}{4}$

7 0

3 years ago

Helps plz and no links

Vaselesa [24]

Answer:

1+2+3- -9+236359

Step-by-step explanation:

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Read 2 more answers

The area of a tabletop is 48 square feet. the length is 3 times the width.if the dimensions are whole numbers, what is the width

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(4 feet wide), 12 feet in length. 4*3=12 4*12=48

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4 years ago