1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kifflom [539]
3 years ago
10

Find the mean of the following data set: 8, 5, 7, 10, 15, 21

Mathematics
2 answers:
Digiron [165]3 years ago
8 0
D. 11

you add all of the number then divide by how many numbers there are.

8+5+7+10+15+21= 66

there are 6 numbers total

66/6=11
denis-greek [22]3 years ago
3 0
Mean: add A1+A2+A3+A4+……..+An then divide by 2 means 8+5+7+10+15+21=66/2=33
You might be interested in
How to find how long it will take a rocket to reach a maximum height
Anton [14]

Answer:

the rocket will reach its maximum height after 4 seconds.  

Step-by-step explanation:

The first term ( -4.9(t-4)^2 ) can never be positive, so the maximum height of 80 meters is achieved when t = 4.  

5 0
3 years ago
The city's central library has 72,864 books. The library has 72 bookcases. If each bookcase has room for the same number of book
solong [7]

Answer:

There are 1012 books per bookcase

Step-by-step explanation:

To find the number of books per bookcase take the number of bookcases (72) divided by the number of books (72,864)

So;

72,864 / 72 = 1012

Hope this helps!

5 0
3 years ago
125% of what number is 50?<br> 125% of is 50.<br> (Type a whole number.)
horsena [70]

Answer:

i thinkkk 40

if not my badd

4 0
3 years ago
James calculated the height of a cylinder that has a volume of 324 pi cubic inches and a radius of 12 in his work is shown below
wel

Answer:

13.5cm

Step-by-step explanation:

V=Bn

Step 1: 3245 - 12h

Step 2: 324 = 24 sh

324 24

Step 3: 245 245

Step 4: h-13.5

inches

What is the first error that James made when calculating the height of the cylinder?

In step 1, he substituted into the volume formula incorrectly.

In step 2, he calculated 122 incorrectly. It should be 144 rather than 24.

In step 4, the should have canceled, making the correct answer 13.5 cm.

James calculated the height of the cylinder correctly

7 0
3 years ago
Read 2 more answers
If the ratio of the length of a rectangle to its width is 9/4 and its length is 18 cm, what is the width of the rectangle?
Kruka [31]

Answer:

The width is 8

Step-by-step explanation:

if the ratio of length to width is 9 to 4. and we know the length is 18, 18 is 2 times as much as 9, so 4*2=8.                   9*2=18,4*2=8

6 0
3 years ago
Read 2 more answers
Other questions:
  • I’m a drawing of the solar system the scale is 1mm=500km for a planet with a diameter of 5,000 km what should be the diameter of
    14·1 answer
  • The ages of members of an online gaming group are normally distributed with a mean of 23 years and a standard deviation of 4 yea
    6·1 answer
  • The height of the shortest man in history was 68 cm. This is 204 less than the height of the tallest man. how tall was the talle
    13·1 answer
  • The optimum diameter d (in millimeters) of the pinhole in a pinhole camera can be modeled by d=1.9[(5.5×10−4)L]1/2, where is the
    12·1 answer
  • What is 1.48 repeating as a mixed number
    7·2 answers
  • If two sides of a triangle are congruent, then the triangle must have two congruent angles.
    8·1 answer
  • Which expression is equivalent to x2+3x+ 3+ (2x+134+15) - (x+5))
    12·1 answer
  • What is the product of x-3 and 4+x​
    6·1 answer
  • Need help #3. The answer is shown, but I don’t know how to get to the answer. Please teach and show steps.
    8·1 answer
  • What is ( m = 3 and contains (4, -1) in slope intercept form​
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!