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fomenos
3 years ago
7

What is the exact volume of the cylinder? Enter your answer in terms of pi

Mathematics
1 answer:
dimaraw [331]3 years ago
6 0
3.14 \times {1.5}^{2} \times 2.5
π×r2*h
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Ted likes to run long distances. He can run 20 km in 95 minutes. He wants to know how many kilometers he will go if he runs at t
kykrilka [37]

Answer: 60 Km


Step-by-step explanation: Because if you divied 95*285= 3 so you know that it will take him 3 times the amount has given to us so we just have to do 3* 20 km which is 60

-Alissa

Hope i helped sorry if this is wrong it makes sense to me but then again i am not the best at math sooo..... sorry if this is wrong but i am pretty sure it is right :/


4 0
2 years ago
Read 2 more answers
A rubber ball is dropped from the top of a hole. Exactly 20 seconds later, the sound of the rubber ball hitting bottom is heard.
gayaneshka [121]

9514 1404 393

Answer:

  4192.9 ft

Step-by-step explanation:

We assume your falling-distance formula is supposed to be ...

  s = 16t²

So, the time required to fall distance s is ...

  t = √(s/16) = (1/4)√s

The time required for sound to travel distance s is ...

  s = 1100t

  t = s/1100

Then the sum of the time for the ball to fall and the time for the sound to travel back is ...

  (1/4)√s + s/1100 = 20

  275√s = 22000 -s . . . . . multiply by 1100 and subtract s

  75625s = s^2 -44000s +484,000,000 . . . square both sides

  s^2 -119,625s +484,000,000 = 0 . . . . put in standard form

  s ≈ (1/2)(119,625 ±√12,374,140,625) = {4192.943, 115432.057}

Only the smaller of these two solutions makes any sense in this problem.

The hole is about 4192.9 feet deep.

_____

<em>Additional comment</em>

The distance equation for the falling object presumes a vacuum. The sound transmission presumes the presence of air, so the question setup is self-contradictory.

7 0
3 years ago
There are 64 pretzels in a 16-ounce bag of chocolate-covered pretzels.
Shkiper50 [21]

Answer:

64 pretzels in a 16 oz bag

1 oz will contain 64/16 pretzels = 4

5 oz will therefore contain 4 x 5 = 20 pretzels

Step-by-step explanation:

See here for a deeper explanation! ^^

Hopefully it helps :)

brainly.com/question/200543

8 0
3 years ago
Read 2 more answers
Help please live or death
iogann1982 [59]
Angle 2 is 143
angle 4 is 37
angle 7 is 143
angle 8 is 37
8 0
2 years ago
Brooklyn is arranging flowers along the front of her home. She has 40.27 square feet of planting space but has used 3.8 square f
Klio2033 [76]

Answer:

24 flowers

Step-by-step explanation:

40.27 - 3.8 = 36.47

36.47/1.5 = 24.313

4 0
3 years ago
Read 2 more answers
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