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Murrr4er [49]
3 years ago
11

A cylinder has a volume of 315 pi cubic meters and a height of 21 meters. What is the area of the base? 15 pi square meters 18 p

i square meters 294 pi square meters 6,615 pi square meters
Mathematics
2 answers:
alexgriva [62]3 years ago
3 0

Answer:

b

Step-by-step explanation:

b

Delicious77 [7]3 years ago
3 0

Answer:

B

Step-by-step explanation:

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Write an expression in the simplest form that represents the perimeter of the following shape
____ [38]

Perimeter is adding all 4 sides together:

8 + 8 + 9x + 9x

Simplify by coming like terms to get:

18x + 16

The answer is d. 18x + 16

3 0
2 years ago
Help binomial distributions
Ymorist [56]

We have the formula to compute the probability of having exactly k successed over n trials, given a probability p of success (and implicitly a probability 1-p of failure), which is


P(\text{k successed on n trials}) = \binom{n}{k}p^k(1-p)^{n-k}


Now, the probability of at least 3 successes is the union of the following event: exactly three successes,exactly four successes and exactly five successes.


We can compute their probability and sum them:\binom{5}{3}\left(\frac{3}{7}\right)^3\left(\frac{4}{7}\right)^2 + \binom{5}{4}\left(\frac{3}{7}\right)^4\left(\frac{4}{7}\right)^1 + \binom{5}{5}\left(\frac{3}{7}\right)^5 \approx 0.36788


So, the answer is about 36.79%

3 0
3 years ago
Use the diagram below to find the measured value of x.
dexar [7]

Answer:

They're the same angle. I would look up transversals so you could understand it a bit more. I'll upload a picture of a transversal in my answer but you should search it anyways.

Anyways,

To solve, you set 160 equal to the other side.

160 = 3x + 10

150 = 3x

x = 50

5 0
2 years ago
Find the missing values in the ratio table below.
Nataliya [291]
  • <em>Answer:</em>

<em>attachment</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>trucks/cars = 2/3 = x/9 = 30/y</em>

<em>x = 2×9/3 = 18/3 = 6</em>

<em>y = 3×30/2 = 90/2 = 45</em>

<em>Good luck ! </em>

3 0
3 years ago
Alicia and Thea are in charge of determining the number of T-Shirt to order to sell in the school store. Each Student collected
Nataly [62]

Answer: 360

Step-by-step explanation:

Since we are informed from the question that Alicia surveyed 50 students in the cafeteria from the population of 300 students, it simply means that she surveyed 50/300 = 1/6 of the students.

Since Thea surveyed the first 60 students who arrived at school one morning, the number of T-Shirts taht they should order will be:

= 1/6 × x = 60

x = 60 × 6.

x = 360

They should order 360 t-shirts for the students.

5 0
3 years ago
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