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klemol [59]
3 years ago
14

The volume of a sphere of radius 3 cm is

Mathematics
1 answer:
In-s [12.5K]3 years ago
3 0

Answer:

3^3 = 27

27 * 3.14 = 84.78

84.78 * 4/3 = 113.04 is your answer.

Formula of volume of sphere is:

4/3 x π(3.14 or 22/7 whatever they tell you to use for pi) x r^3(your radius being cubed)

You get your radius by finding out what is half of your diameter or your given radius.

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Solve for these letters<br> X<br> Y<br> Z
tester [92]
Z = 140
X = 40
Y = 40
Explanation:
Z and the angle given (140 degrees) are vertical angles, and are therefore congruent
We know that x and y are vertical angles, so they are also congruent to each other
You know that together, the angles have to add up to 360
140 + 140 + x + y = 360
Another way of putting it:
360-280 = 80
Now, we have to divide by two since we need to find x AND y
80/2 = 40
Therefore, your answers for x and y are 40
To double check, you can add up the angles and see if they equal 360
140 + 140 + 40 + 40
280 + 80 = 360
7 0
3 years ago
A store purchased a DVD for $12.00 and sold it to a customer for 50% more than the purchase price.The customer was charged a 7%
Tems11 [23]

Answer:

The customer's total cost for the DVD is $19.26

Step-by-step explanation:

Store buy the dvd for $12.00.

The store price is $12.00+50% more

The store price= $12.00 *(1+0.5)= $18.00

Final price (tax added)= $18.00 + 7%

Final price= $18.00 * (1 + 0.07)= $19.26

3 0
3 years ago
Read 2 more answers
Write an equation and solve for x. Show all your work.
docker41 [41]

Answer:

X= 24º

Explanation:

A straight line is 180º so, 180º - 151º = 29º - 5º = 24º

6 0
3 years ago
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Convert 34% into a fraction or mixed number.​
ohaa [14]

Answer:

17/50

Step-by-step explanation:

34% = 34/100 --> 34/100 * 1 = 34/100 * (1/2)/(1/2) = (34/2) / (100/2) = 17/50

3 0
3 years ago
Quiz 2 Problem A big ship drops its anchor. The variable ll l l models the anchor's elevation (in meters) relative to the water'
alexandr1967 [171]

Answer:

Initial height of the anchor is 75 meters.          

Step-by-step explanation:

We are given the following in the question:

l(t)=-2.4t+75

where, I is the anchor's elevation in meter after t seconds dropped from the ship.

We have to find the initial height of anchor that is we have to put t = 0  in the equation.

Putting t = 0, we get,

l(0)=-2.4(0)+75 = 75

Thus, initial height of the anchor is 75 meters.

3 0
3 years ago
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