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serg [7]
3 years ago
14

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

Mathematics
1 answer:
timofeeve [1]3 years ago
3 0

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.

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Find the diameter of a circle with the known circumference of 314” use the formula d= C
siniylev [52]

The complete formula for circumference is:


C=\pi d


Since we know the circumference of the circle is 314 inches, we can then solve for d, the diameter:


314=\pi d


Using 3.14 for pi, we get:


314=(3.14)d


Then solve for d:


d=100


And now we know the diameter of the circle is 100 inches.

4 0
3 years ago
Which expression is equivalent to 32 why?
stiv31 [10]
Here are some examples of equations equal to 32. 
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Sunny_sXe [5.5K]

Answer:

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Step-by-step explanation:

Since we are given a point and a slope, we can use the point slope formula

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y1 is the y coordinate of the point given. y1 is 3.

x1 is the x coordinate of the point given. x1 is 1

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Now, we need to get the equation into point slope form: y=mx+b

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Add 3 to both sides

y-3+3=2x-2+3

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The equation is in y=mx+b form, so our final equation is:

y=2x+1

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