3 years ago

Find the simplified form of each expression

Mathematics

1 answer:

astraxan [27]3 years ago

7 0

11.(y^6)² = y^12

12.(x^-3)^-5 x^6 = x^21

13.(6q^6)^–4 = 1/1296q^24

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Is -9 a rational number

Artemon [7]

Answer:

If we mean - √9, then it is a rational number.

Step-by-step explanation:

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3 years ago

Martin works at bluebell ice cream parlor.He earns $87.50 for every 7 hours of work.Based on this information how much money wou

faust18 [17]

Martin will earn $350 for 28 hours of work.

Step-by-step explanation:

Given,

Amount earned in 7 hours = $87.50

Ratio of time to amount earned = 7:87.50

Let,

x be the amount earned in 28 hours.

Ratio of time to amount earned = 28:x

Using proportion;

Ratio of time to amount earned :: Ratio of time to amount earned

$7:87.50::28:x\\$

Product of mean = Product of extreme

$7*x=87.50*28\\7x=2450$

Dividing both sides by 7

$\frac{7x}{7}=\frac{2450}{7}\\x=350$

Martin will earn $350 for 28 hours of work.

Keywords: ratio, proportion

Learn more about proportion at:

#LearnwithBrainly

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3 years ago

Describe how to find the number of seats on the middle and lower levels of the stadium when solving for the variable only gives

dezoksy [38]

Answer:

Use the value for the variable to solve for the other unknowns. Substitute the value for the variable into the expression for the number of seats on the middle level. Substitute the value for the variable into the expression for the number of seats on the lower level.

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3 years ago

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Dee Dee bought an Apple for $0. 85, a sandwich for $4. 50, and a bottle of water for $1. 50. How much did Dee Dee spend?

OLga [1]

To figure out how much she spent all we have to do is add up $0.85, $4.50 and $1.50

$0.85 + $4.50 + $1.50 = $6.85

Therefore she spent $6.85

Hope this helps

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2 years ago

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