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xeze [42]
2 years ago
13

Which is closest to the volume of a sphere with a radius equal to 8 centimeters?

Mathematics
1 answer:
NNADVOKAT [17]2 years ago
7 0

Answer:

Step-by-step explanation:

volume of sphere = 4πr³/3

= 4π×512/3

≈ 2143.6 cm³

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A skateboarder went a kilometer in 3 minutes with the wind, and returned in four minutes against the wind.
inn [45]

Step-by-step answer:

Answer to problems of this kind is the reciprocal of the harmonic mean of the time required.

We need to find the average of the speeds, not the average of the time.

The respective speeds are 1/3 and 1/4.

The average of the speeds is therefore (1/3+1/4)/2 = 7/24  (harmonic mean of the time taken).

The time required is therefore the reciprocal of the unit speed,

T = 1/(7/24) = 24/7 = 3 3/7 minutes, or approximately 3.43 minutes.

8 0
3 years ago
How many pounds does 64 ounces weigh?
wel

Answer:

4 lbs

Step-by-step explanation:

There are 16 ounces in a pound, so divide 64 by 16 to get the number of pounds.  64 ÷ 16 = 4 lbs

8 0
3 years ago
30+5z+5z=180<br> what is the value of z
Mariulka [41]

Answer:

15

.......................

8 0
2 years ago
Read 2 more answers
(15 ^3) x 15^-6 <br> Plz help me
masya89 [10]

put 3 into 15 than put 6 into 15 then the answer u get from putting 6 into 15 subtract that by 2 and the answer u get from the u multpy the answer that u got from putting 3 into 15 together

4 0
3 years ago
Each floor in the old headquarters of Oldham Bank and Trust is 14 feet in
WARRIOR [948]
80ft! I might be wrong though

How I did it:
Since there are 5 floors (ground floor included) then that means only 1 floor is 24ft so I multiplied 14 by 4 to get 56 then I added 24 to get 80!
3 0
3 years ago
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