3 years ago

It takes Ron 3 hours to paint one side of a house. It takes Natalie 6 hours to paint the same area. What is Natalie's rate

Mathematics

1 answer:

My name is Ann [436]3 years ago

4 0

Answer:

the answer is 6x3 which is 18

Step-by-step explanation:multiply to find out the answer

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yulyashka [42]

Their error is that they divided 12 by 30, instead of 30 by 12 in order to get the price per pair

the correct unit price is $2.50 per pair

2.5 * 12 = 30

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3 years ago

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Gavin is thinking of a number.8 more than the product of 7 and the number is 120. find the number.

Marta_Voda [28]

<h3>The value of the number is equal to 16.</h3>

7x + 8 = 120

Subtract 8 from both sides.

7x = 112

Divide both sides by 7.

x = 16

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3 years ago

Denver is about 5,200 feet above sea level. Which number line best represents this integer?

n200080 [17]

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3 years ago

What is the answer to [(x²+4x)-2]²

Rudik [331]

Answer:

$x^{4}$ + 8x³ + 12x² - 16x + 4

Step-by-step explanation:

Given

[(x² + 4x) - 2 ]² ← simplify contents of bracket

= (x² + 4x - 2)² = (x² + 4x - 2)(x² + 4x - 2)

Each term in the second factor is multiplied by each term in the first factor, that is

x²(x² + 4x - 2) + 4x(x² + 4x - 2) - 2(x² + 4x - 2) ← distribute parenthesis

= $x^{4}$ + 4x³ - 2x² + 4x³ + 16x² - 8x - 2x² - 8x + 4 ← collect like terms

= $x^{4}$ + 8x³ + 12x² - 16x + 4

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3 years ago

the population in a town is 10,000. The population is growing at a rate of 0.08. what will the population be in 10 years

cestrela7 [59]

Hope this helps have a nice day!!!!

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