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Dmitry [639]
3 years ago
6

ALGEBRA HELP !!!!! Which of the following is the simplest form of this expression? —photo attached

Mathematics
1 answer:
sasho [114]3 years ago
4 0

\displaystyle \frac{ \sqrt[5]{a^4}}{ \sqrt[3]{a^2}}= \frac{a^{\frac{4}{5}}}{a^{\frac{2}{3}}}=a^{\frac{4}{5}- \frac{2}{3}}=a^{\frac{12-10}{15}}=\boxed{a^{\frac{2}{15}}}

Answer is: A. a^(2/15)

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The ratio of the width to the length of a painting is 3 to 7. If the painting is 42 in. long how wide is it
belka [17]

If length is 42 inches, then width is 18 inches.

Step-by-step explanation:

We are given ratio of width to the length of a painting i.e 3 to 7. If the painting is 42 inches long, then how wide it is?

Solving:

\frac{width}{length}=\frac{width}{length}\\ \frac{3}{7}=\frac{w}{42}\\  Cross\,\,multiply:\\3*42=w*7\\126=w*7\\w=\frac{126}{7}\\w=18

So, If length is 42 inches, then width is 18 inches.

Keywords: Ratio

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3 years ago
Sandy bought 3/4 yard of ribbonand 2/3 yard of white ribbon how much ribbon did she but altogether
Neko [114]
To answer this you need to find the LCD (least common denominator) 2/3times4=8/12 and 3/4times3=9/12 and 9+8=17 then 17-12=5 so she bought 1 5/12 yards of ribbon
7 0
3 years ago
Amira has 3/4 of a bag of cat food. Her cat eats 1/10 a bag per week. How many weeks will the food last?
Tema [17]

Answer:

trick question, the cat is going to die anyways so forget the food

Step-by-step explanation:

4 0
3 years ago
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1. What is the surface area of the cube
Marrrta [24]

Answer:

96 in. squared

Step-by-step explanation:

5 0
3 years ago
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You are researching the price of MP3 players. You found an average price of $58.80. One MP3 player costs $56 and another costs $
Butoxors [25]

The price of third MP3 player is $58.40

Step-by-step explanation:

Given,

Cost of one MP3 palyer = $56

Cost of another MP3 player = $62

Average price of MP3 player = $58.80

Let,

Cost of third MP3 player = x

Average = \frac{Sum\ of\ costs}{Number\ of\ items}

{58.80}=\frac{56+62+x}{3}

Multiplying both sides by 3

3*{58.80}=\frac{56+62+x}{3}*3\\176.40=118+x\\176.40-118=x\\58.40=x\\x=58.40

The price of third MP3 player is $58.40

Keywords: average, division

Learn more about division at:

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