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Blababa [14]
1 year ago
8

6. Use the following matrices to answer the questions. (2 points each)

Mathematics
1 answer:
Iteru [2.4K]1 year ago
8 0

Answer:

its a such a hard questions i think you should ask to you're teacher ?

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The diameter of a sphere is 16 cm. What is the sphere's volume? Round to the nearest tenth.
ohaa [14]

Answer:

V ≈ 2144.70 cm^3

Step-by-step explanation:

Radius is going to be used instead of the diameter. Half of 16 is 8, and so that will be the value that shall be used.

V = (4/3)\pi (8)^3

V ≈ 2144.66 cm^3

V ≈ 2144.70 cm^3

5 0
3 years ago
What is the surface area of a sphere with the given dimension? Express your answer to nearest hundredth. Use 3.14 for pi. Radius
pav-90 [236]
Okay. The equation for a sphere's surface area is A = 4 * pi * r^2. Let's plug 5 in for r. 
4 \pi (5^2) = 4(3.14)*25 = 100 * 3.14 = 314
I got 314 cm^2 is the surface area, but it always helps to double check work! Hope this helps!
3 0
3 years ago
Read 2 more answers
If the data is spread out evenly, the measure of the center that is best to use is the what.
miss Akunina [59]

That would be the mean.

3 0
3 years ago
Read 2 more answers
5= h/1.25 help me plz
yKpoI14uk [10]

Answer:

Step-by-step explanation:

5=h/1.25

h=6.25

6 0
3 years ago
What is the approximate volume of the tube? Round to the
vladimir2022 [97]

Answer:

The approximate volume of the tube  is 1,005 cm³

Step-by-step explanation:

To find the volume of the tube, we will follow the steps below:

First, write the formula for calculating the volume of a cylinder

volume of a cylinder = πr²h

where r is the radius and h is the height of the cylindrical cardboard tube

from the question given, height is equal to 20 centimeters    and             diameter = 8 centimeters  but diameter = 2r, this implies that r = d/2   hence radius r =8/2 = 4 centimeters

π is a constant and is ≈ 3.14

we can now proceed to insert the values into the formula

volume of a cylinder = πr²h

                                 ≈ 3.14 × 4²× 20

                                   =3.14 × 16× 20

                                    ≈1,005 cm³ to the nearest whole cubic centimeter.

The approximate volume of the tube  is 1,005 cm³

           

                                 

4 0
3 years ago
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