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3 years ago

These are solving proportions btw! 20/8 = 4k/32

Mathematics

1 answer:

VikaD [51]3 years ago

7 0

Answer:

Step-by-step explanation:

To find k first of all cross multiply

We have

32k = 640

Divide both sides by 32

That's

We have the final answer as

Hope this helps you

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The volume of the figure below is 496.21 ft^3<br> True or False

timofeeve [1]

Answer:

First option: True.

Step-by-step explanation:

To know if the volume of this cylinder is 496.21 ft³, you need to use the formula for calculate the volume of a cylinder:

$V=\pi r^2h$

Where "r" is the radius and "h" is the height.

You can observe in the figure that the radius of the cylinder is 4.5 feet and the height is 7.8 feet.

Then, knowing this, you can substitute these values into the formula.

Therefore, the volume of this cylinder is:

$V=\pi (4.5ft)^2(7.8ft)\\V=496.21ft^3$

Then the answer is: True.

3 0

3 years ago

HELP!!!!!!!!!!!!!!!!!!!!!!!

skad [1K]

Answer:

A D 1 Vertical

Step-by-step explanation:

x always represents 1

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3 years ago

"Why do whole numbers raised to an exponent get greater, while fractions raised to an exponent get smaller?" I completely unders

VARVARA [1.3K]

Say you have the fraction 1/2 to the power of 2, so 1/2^2. You could also write this down as: 1/2*(times)1/2 or 0,5*0,5. Whenever you multiply by a number smaller than one, the outcome will get smaller. Whenever you multiply by a number larger than one, the outcome will be larger.

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3 years ago

Solve the Inequality. 3x -5 < x + 1 ≤ 2x + 1.

liraira [26]

0 ≤ x < 3
sorry if this is wrong!

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3 years ago

24 is 40%of what number

sladkih [1.3K]

60.

Because 60x0.40 is 24

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3 years ago