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Dmitrij [34]
3 years ago
11

The volume of a sphere whose diameter is 18 centimeters is how many cubic centiemters

Mathematics
1 answer:
Arturiano [62]3 years ago
3 0

Answer:

3053.63 cm^3

Step-by-step explanation:

Volumme of a sphere =  \frac{4}{3}\pi*r^3.

We do not have the radius of the sphere, but we have its diameter.

We know that there is a relationship between radius and diameter.

d = 2r\\r = \frac{d}{2}

Then the formula of the volume of a sphere according to its diameter is:

\frac{4}{3}\pi (\frac{d}{2}) ^ 3\\\\\frac{4}{3}\pi(9)^3 = 972\pi = 3053.63 cm^3\\\\

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suppose that y and z are points on a number line if y z equals 16 + y lies at -4 where could z be located
Masteriza [31]

<u>Corrected Question</u>

Suppose that y and z are points on a number line if yz equals 16 and y lies at -4. Where could z be located?

Answer:

z would be located at -4.

Step-by-step explanation:

If the product of y and z, yz=16

Point y lies at -4.

Substituting y=-4 into yz=16, we obtain:

-4z=16

Divide both sides by -4

z=-4

Therefore, <u>z would be located at -4</u>, which is the same point at which y is located.

y and z are the same points on the number line.

We know our result is correct because the product of two negative numbers is positive.

7 0
4 years ago
A and B are complementary angles. If m_A= (2x + 10)° and m
stepladder [879]

Step-by-step explanation:

<A + < B = 90° { being complementary angles)

2x + 10° + 3x + 15° = 90°

5x = 90° - 15° - 10°

5x = 65°

x = 13°

Now

<B = 3x + 15° = 3 *13° + 15° = 54°

Hope it will help :)

3 0
3 years ago
The state capitol building in Baton Rouge, Louisiana, is 450 feet tall. Ella’s scale model of the building uses the scale 25 fee
maria [59]
For this case what we can do to represent this problem is the following rule of three:
 25 feet ---> 10 inches
 450 feet ---> x
 Clearing the value of x we have:
 x = (450/25) * (10)
 x = 180 inches.
 Now, let's convert this value to feet:
 x = 180 * (1/12) = 15 feet
 Answer:
 Ella's model is 15 feet tall
4 0
3 years ago
PLS HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
sergejj [24]

Answer:

28 feet

Step-by-step explanation:

Mr.math is 6ft but his shadow is 5ft so that mean the pole is 28ft n the shadow is 27ft

6-1=5

?-1=27

27+1=28

?=28

3 0
3 years ago
Iready: using a graph to analyze a functional relationship.
VikaD [51]

Answer:

A

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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