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Ratling [72]
3 years ago
12

A box is created from a sheet of cardboard 20 in. on a side by cutting a square from each corner and folding up the sides. Let x

represent the length of the sides of the squares removed from each corner. Find an expression for the volume of the box in terms of x

Mathematics
1 answer:
Digiron [165]3 years ago
5 0
Assuming the sheet is a square

see diagram
the length will be 20-2x
the width will be 20-2x
and the height will be x

the volume will be (20-2x)(20-2x)(x)

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For the given angle measure, find the measure of a supplementary angle and the measure of a complementary angle, if possible. If
8090 [49]

Answer:

A complementary angle is 63 degrees and supplementary angle is 153 degrees.

Step-by-step explanation:

Complementary angle:

A complementary angle adds up to 90 degrees, so you have to subtract 27 from 90.  90-27=63

Supplementary angle:

A supplementary angle adds up to 180 degrees, so you have to subtract 27 from 180. 180-27=153

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The price of a radio was lowered by $6, then raised by $3. If the original price was $45, what is the current price?
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3 years ago
Read 2 more answers
Volume and surface area
ycow [4]

Answer:

The 1st one is 540π

The 2nd one is 1696.46

Step-by-step explanation:

To find the volume of a cylinder, you do the following:

(r)^2\pi \times h

Where r represents the radius of the circle and h represents the height. Because it's multiplication, we can change it to:

r^2\times h \times \pi

So since the radius is 6, 6^2 is 36. Then we multiply by 15, to get 540. Then now since we don't need to multiply the pi, you just leave it as 540π.

For the second one, multiply 540 by pi to get the answer, then round it to the nearest hudredth to get 1696.46.

8 0
2 years ago
Pls help i need asap
Aleks [24]

Answer:

4x+7=27

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3 years ago
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