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mylen [45]
3 years ago
5

What is the volume of the cone below?

Mathematics
2 answers:
Inessa05 [86]3 years ago
7 0

I believe that the answer is C.

aev [14]3 years ago
4 0

Answer: B. 3388 Pi units^3

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-3 (x + 3) &gt; 15<br><br>WHAT IS THE ANSWER + SHOW WORK PLS<br>FIND VALUE OF X​
faust18 [17]

Answer:

x < −8

Step-by-step explanation:

Let's solve your inequality step-by-step.

  • −3(x+3)>15

<u>Step 1</u>: Simplify both sides of the inequality.

  • −3x−9>15

<u>Step 2</u>: Add 9 to both sides.

  • −3x−9+9>15+9
  • −3x>24

<u>Step 3</u>: Divide both sides by -3.

-3x                        24

-----        >                -----

-3                              -3

x < -8

<u>Answer:</u>

x < −8

7 0
1 year ago
Calculate the mean number of students per class at watch school. Write your answers in sentences that explain what the means rep
Tpy6a [65]
To find the mean you add all the numbers then divide the sum by how many numbers there are :

1)Ford School
   
21+19+20=60

there are 3 numbers in the equation so you divide 60 by 3 :

60÷3=20

the mean for Ford School is 20

2)Carter School

41+36+37=114

there are 3 numbers in the equation so you divide 114 by 3 :

114÷3=38

the mean for Carter School is 38

hope this helps
6 0
2 years ago
Read 2 more answers
Marianna Martinez sells copy paper to local schools. She earns a 13 percent straight commission on all sales . In November her s
faltersainse [42]

Answer:

13%=0.13

28540*0.13=3710.2

8 0
3 years ago
Find the area of a circle with<br>radius, r = 5.52m.<br> answer rounded to 2 DP.​
Mice21 [21]

Answer:

Step-by-step explanation:

Formula = A=πr2

Putting values in the equation

A = (3.14) (5.52)^2

= 95.73

7 0
2 years ago
Read 2 more answers
The delivery times for all food orders at a fast-food restaurant during the lunch hour are normally distributed with a mean of m
UkoKoshka [18]

Answer:

Let X the random variable that represent the delivery times of a population, and for this case we know the distribution for X is given by:

X \sim N(14.7,3.7)  

Where \mu=14.7 and \sigma=3.7

Since the distribution of X is normal then we know that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

And we have;

\mu_{\bar X}= 14.70

\sigma_{\bar X} =\frac{3.7}{\sqrt{40}}= 0.59

Step-by-step explanation:

Assuming this question: The delivery times for all food orders at a fast-food restaurant during the lunch hour are normally distributed with a mean of 14.7 minutes and a standard deviation of 3.7 minutes. Let R be the mean delivery time for a random sample of 40 orders at this restaurant. Calculate the mean and standard deviation of \bar X Round your answers to two decimal places.

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the delivery times of a population, and for this case we know the distribution for X is given by:

X \sim N(14.7,3.7)  

Where \mu=14.7 and \sigma=3.7

Since the distribution of X is normal then we know that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

And we have;

\mu_{\bar X}= 14.70

\sigma_{\bar X} =\frac{3.7}{\sqrt{40}}= 0.59

4 0
3 years ago
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