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puteri [66]
2 years ago
9

What is the volume of this sphere?

Mathematics
1 answer:
aev [14]2 years ago
5 0

Answer:

choice 3) 11,488.21 cm³

Step-by-step explanation:

r= 28/2 = 14

volume = 4/3πr3 = 4/3(3.14)(14³) = 11,488.21 cm³

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Through how many radians do the minute hand and the hour hand move between 1:00 p.m. and 1:45 p.m. (on the same day)? ​
timofeeve [1]

Answer:

π/8 radians

Step-by-step explanation:

THIS IS THE COMPLETE QUESTION

In 1 h the minute hand on a clock moves through a complete circle, and the hour hand moves through 1 12 of a circle. Through how many radians do the minute hand and the hour hand move between 1:00 p.m. and 1:45 p.m. (on the same day)?

SOLUTION

✓If the minute hand on a clock moves through complete circle in 1 hour, then it means that it goes through a circle and angle of circle in radians is 2π.

Between 1:00 p.m. and 1:45pm in the same day we have 45 minutes i.e (1.45 pm -1pm)

Within the 1hour minutes, the hand can move with complete cycle of 2π radians

Then At time t= 45minutes

Angle through the circle at 45 minutes= 45/60 ×2π radians

= 3π/2 radians

And if the hour hand goes through a complete cycle 1/12 as told in the question we have 1/2 × 2π radians

For t=45 minutes

Then 1/12 × 2π ×45/60

= π/8 radians

Hence, the minute hand and the hour hand move π/8 radians between 1:00 p.m. and 1:45 p.m.

5 0
2 years ago
41 percent of 78 is what?
lisabon 2012 [21]

Answer:

31.98

Step-by-step explanation:

78 * .41 = 31.98

5 0
3 years ago
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Find a fration or mixed number that is between -3 1/4 and -3 1/8
Alenkinab [10]
A fraction could be -3 1/6
8 0
3 years ago
4 6 6<br> x 2 7 <br> _____<br> 12865
spin [16.1K]

Answer:

I believe it is 3262

Step-by-step explanation:

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3 years ago
5n – 2n<br> I need help asap
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Combining those like terms would end as 3n.

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For example, 2n is really -2n, and you just add -2n to 5n (which is positive,) and you get 3n.
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2 years ago
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