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3 years ago

Use the distributive property to multiply, combine like terms & find the equations

Mathematics

1 answer:

kenny6666 [7]3 years ago

3 0

Answer:

32+160

Step-by-step explanation:

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A barrel filled with oil is a cylinder with a diameter of 22 inches and a height of 33.5 inches. There are 231 cubic inches in a

emmainna [20.7K]

Answer:

55 gallons

Step-by-step explanation:

Given that the diameter of the cylindrical barrel is 22 inches, so the radius of the barrel is $\frac{22}{2}=11 \text{ inches}$

And height of the cylindrical barrel is 33.5 inches.

So the volume of oil in the cylindrical barrel is

$=\pi r^2 h\\=\pi (11)^2(33.5)\\\\\approx 12734.45 \text{ cubic inches}$

Also given that there are 231 cubic inches in a liquid gallon, so to find the number of gallons of oil in barrel, we use unitary method.

231 cubic inches goes in = 1 gallon

1 cubic inches will go in $=\frac{1}{231} \text{ gallon}$

$\text{12734.45 cubic inches oil will go in}=\frac{1}{231}\times 12734.45\approx 55.12 \text{ gallons}\\\\\text{hence there are approximately 55 gallons of oil in the barrel}$

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3 years ago

What kind of slope does the following line have?<br> +

Softa [21]

Answer:

horizontal and vertical

Step-by-step explanation:

if its the plus?

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3 years ago

John's father weighs 20 pounds more than twice

svet-max [94.6K]

Answer:

20+2y

Step-by-step explanation:

20 pounds more would be an addition of 20 and twice would have to be represented by 2y because it is double John's weight y.

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3 years ago

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.Distribute and combine like terms: −4(7r + 7)

Vilka [71]

Answer:

−28r−28

Step-by-step explanation:

−4(7r+7)

=(−4)(7r+7)

=(−4)(7r)+(−4)(7)

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3 years ago

HURRY PLEASE!! I HAVE TO TURN THIS IN SOON!!

IrinaK [193]

Answer:

lolololol

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Step-by-step explanation:

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