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3 years ago

The volume of the cylinder is 3148 yd cube. What is it’s radius?

Mathematics

1 answer:

gladu [14]3 years ago

8 0

Answer:

volume = π x r^2 x h

where:

π is Pi, approximately 3.142

r is the radius of the circular end of the cylinder

h height of the cylinder;

Then, 3148 = 3.142 x r^2 x h;

r^2 x h = 1001.909;

We don't know h.

So, we couldn't find r.

Step-by-step explanation:

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Carlos bought a snowboard for $24.99 and ice skates for $19.19 how much money did he spend all together

11Alexandr11 [23.1K]

Answer: $44.18

Step-by-step explanation: $24.99 + $19.99 = $44.18

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3 years ago

Commercial dredging operation in ancient rivers occasionallyuncover archaeological artifacts of great importance. One suchartifa

Ivenika [448]

Answer:

A) Refer attached fig. or pareto chart

Step-by-step explanation:

Given data

Rivers Bann Blackwater Erne Shannon Barrow

Spearheads(fi) 19 8 15 33 14

Pareto charts are those charts who has both bars and lines. bars are shown in descending order and the cumulative total is represented by the line.

b) Circle graph

Circle graph is also known as pie chart

In this chart we divided into circle in to different segments according to formula.

Total frequency of spreads in = 19+8+15+33+14=90

i) Bann

fi =19

percentage = $\frac{19}{90}\times100 = 21.35$ %

Segment size = 21.35% × 360 = 77°

ii) Black water

fi = 8

percentage = $\frac{8}{90} \times 100$ = 8.99%

Segment size = 8.99% × 360 = 32°

iii) Erne

fi = 15

percentage = $\frac{15}{90} \times 100$ = 16.85%

Segment size = 16.85% × 360 = 61°

iv) Shannon

fi = 33

percentage = $\frac{33}{90}\times100$ = 37.08%

Segment size = 37.08% × 360 = 133°

iv) Barrow

fi = 14

percentage = $\frac{14}{90} \times100$ = 15.73%

Segment size = 15.73% × 360 = 57°

7 0

3 years ago

Does anyone know if -6 is less than -5.5?

scoray [572]

Answer:

it is

Step-by-step explanation:

-6 is smaller than -5.5 by 0.5

hope this helps...

4 0

3 years ago

Read 2 more answers

I need help finding the answer?

Zarrin [17]

Answer:

-79

Step-by-step explanation:

5ac-2b

5(-3)(5) - 2(2)

-75-4

-79

substitute values and then solve

5 0

3 years ago

You are playing a game called Tsunami Duck Pond. In Tsunami Duck Pond there are 100 ducks that get pummeled by tidal waves. You

lilavasa [31]

Answer:

a) W is a binomial random variable because in each trial there are only two possible outcomes, and the probability of a success is always the same.

b) 0.2013 = 20.13% probability that you win exactly 3 times.

Step-by-step explanation:

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

a. Explain why W is a binomial random variable.

For each time a duck is selected, there are only two possible outcomes. Either it has a star, or it does not. Also, after a duck is selected, it is placed back in the water which means that in each trial, the probability of finding a duck with star is the same. This is why W is a binomial random variable.

b. Find the probability that you win exactly 3 times.

Let W=the number of times you win if you play this game 10 times.

This means that $n = 10$

The game claims to have 20 ducks with stars among the 100 ducks.

This means that $p = \frac{20}{100} = 0.2$

We have to find P(X = 3). So

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 3) = C_{10,3}.(0.2)^{3}.(0.8)^{7} = 0.2013$

0.2013 = 20.13% probability that you win exactly 3 times.

7 0

3 years ago