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Trava [24]
3 years ago
10

Cylinder A has radius 1 m and height 4 m. Cylinder B has radius 2 m and height 4 m. Find the ratio of the volume of cylinder A t

o
the volume of cylinder B.
a. 5:6
b. 1:4
c. 1:2
d. 1:1
Please select the best answer from the choices provided
oooo
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Mathematics
1 answer:
ratelena [41]3 years ago
8 0

Answer:

b. 1:4

Step-by-step explanation:

Area of cylinder A = πr²h = π(1.1).4 = 4π

Area of cylinder B = πr²h = π (2.2).4 = 16π

Ratio of their volumes = 4π/16π = 1/4 = 1:4

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Mrs. Canale’s class is selling frozen pizzas to earn money for a field trip. For every pizza sold, the class makes $5.35. They h
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Answer: 106

Step-by-step explanation:

First, we can subtract 182.90 from 750, and then divide the answer by 5.35.

750 - 182.90 = 567.10. Mrs. Canale's class still needs to earn 567.10 dollars.

Now we can divide 567.10 by 5.35 to find how many frozen pizzas the class has to sell.

567.10 / 5.35 = 106.

Therefore, Mrs. Canale's class will still need to sell 106 frozen pizzas to meet their $750 goal.

3 0
3 years ago
Rui Feng wants to paint the exterior surface of 12 closed cylinders which have base radius 14 cm and height 40 cm. Find total su
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Answer:

  57,001 cm², or 5.7 square meters

Step-by-step explanation:

The surface area of a cylinder is given by the formula ...

  A = 2πr(r +h)

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Then 12 cylinders will have an area of ...

  12 × 1512π cm² = 18,144π cm² ≈ 57,001 cm²

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5 0
3 years ago
What is 8/5 as a decimal and a fraction?
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Decimal - 1.6 fraction - 1 3/5
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3 years ago
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ASAP WILL MARK BRAINLEIST
podryga [215]

The probability that a transmission will last less than 14 years is 5%

Step-by-step explanation:

Given

Mean = 16 years

SD = 1.2 years

We have to find the probability that a transmission will last less than 14 years

First of all we have to find the z-score of the value

Z-score is given by:

z = \frac{Value-mean}{SD}\\= \frac{14-16}{1.2}\\= \frac{-2}{1.2}\\= -1.6666

We will use the z-score table to find the probability of being less than 14

So,

From z-score table we get the value for -1.6666

P(z = -1.666) = 0.04846

Converting into percentage

= 0.04846* 100

= 4.846

Rounding off to nearest percentage

5%

Hence,

The probability that a transmission will last less than 14 years is 5%

Keywords: Probability, z-score

Learn more about probability at:

  • brainly.com/question/8358304
  • brainly.com/question/8301701

#LearnwithBrainly

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