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Ostrovityanka [42]
3 years ago
9

What is the volume of this cylinder in terms of Pi?

Mathematics
1 answer:
Agata [3.3K]3 years ago
7 0

Answer:

volume = pi r^2 h

Step-by-step explanation:

1. 20 pi

2. 1693.32 cm^3

3. 2000 pi

4. 98094.85 m^3   or     98005.68

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3.73

If the number is 5 or higher you round up.

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what digit could be in the ten millions place of a number that is greater than 70,000,000 but less than 100,000,000
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3 years ago
My circumference is 20 cm what is my diameter and radius?
Musya8 [376]

Answer:

The diameter of the circle would be: 6.4 cm. rounded or 6.36619772 cm.

The radius of the circle would be: 3.2 cm. rounded or 3.18309886 cm.

Step-by-step explanation:

<h3>The diameter can be solved using: D = \frac{C}{\pi }</h3>

So, the first step would be : D = \frac{20}{\pi }

Then : D = 20 ÷ \pi

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<h3>The Radius can be Solved using: r = \frac{c}{2\pi }</h3>

The first step would be : r = \frac{20}{2\pi }

Then : 20 ÷ 6.2831853071796 (2\pi)

Finally, the answer will be : 3.18309886 cm. or 3.2 cm.

7 0
3 years ago
Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2.4 h, and Car B traveled the dis
S_A_V [24]
Given:
t A = 2.4 h
t B = 4 h
v A = 22 + v B

Solution:
Distance A and distance B is the same, distance could be defined using formula d = v × t
d A = d B
(v A × t A) = (v B × t B)

plug in the numbers
v A × 2.4 = v B × 4
(22 + vB) × 2.4 = 4 vB

remove the parenthesis using distributive property
(22 × 2.4) + (2.4 × vB) = 4vB
52.8 + 2.4vB = 4vB
add like terms
52.8 = 4vB - 2.4vB
52.8 = 1.6vB
52.8/1.6 = vB
vB = 33
the speed of car B is 33 mph

vA = 22 + vB
vA = 22 + 33
vA = 55
the speed of car A is 55 mph
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3 years ago
When you flip a biased coin the probability of getting a tail is 0.4. How many times would you expect to get tails if you flip t
olya-2409 [2.1K]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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