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
Marina CMI [18]
3 years ago
10

Can any one please help me in number 4

Mathematics
1 answer:
Novay_Z [31]3 years ago
4 0

Answer:

150.72

Step-by-step explanation:

The volume of a cylinder is 2πrh. We have r = 3 and h = 8 so volume is 48π or 150.72.

You might be interested in
A jar contains a combination of 60 nickels and dimes worth a total of $4.30. suppose that is deemed desirable to determine how m
Taya2010 [7]
We will represent everything in cents
nickles are worth 5 cents and dimes are 10 cents
n=number of nickles
d=number of dimes



60 total coins
n+d=60


total is 430 cents

5n+10d=430
divide both sides by 5
n+2d=86

we gots

n+d=60 and
n+2d=86
eliminate

multiply first equation by -1 and add to 2nd equation

-n-d=-60
<u>n+2d=86 +</u>
0n+1d=26

d=26

so

n+d=60
n+26=60
n=34


34 nickles and 26 dimes
6 0
3 years ago
There were 409 students in school. After some of them graduated, there were 172 students left. How many students graduated ?
nataly862011 [7]

Answer:

237 students graduated

Step-by-step explanation:

Subtract 172 from 409, obtaining 237.  

237 students graduated

6 0
3 years ago
Read 2 more answers
Which statements are true of all squares? Check all that apply.
Natali [406]
Squares are:
1. Equal on all 4 sides
2. All Have the same angle measure of 90 degrees
8 0
3 years ago
Given a cylinder with a diameter of 23 mm and a volume of 12464.27 mm3, find the area of the vertical cross-section that goes th
Hitman42 [59]
Cylinder Volume = <span><span>¼ • </span><span>π • d² • height</span></span>
<span>
12,464.27 = .25 * PI * 23^2 * height

height = </span><span>12,464.27 /</span><span> .25 * PI * 23^2 </span>

height = 12,464.27 /<span> .25 * PI * 529

</span>height = 12,464.27 / <span><span><span>415.4756284373 </span> </span> </span> <span>

</span><span>height = 30 mm

The vertical cross-section would be 23 mm * 30 mm =
690 SQUARE millimeters (NOT cubed as the answer says).
answer is C

</span>
3 0
3 years ago
Solve the quadratic equation x^2-2x-8=0
Dennis_Churaev [7]
Using cross multiplication

x^{2} -2x-8 =0
(x-4)(x+2)=0
x-4=0
x+2=0

Thus x=4,-2
7 0
3 years ago
Other questions:
  • Which number line shows the solution to 6 + (-6)
    14·2 answers
  • Can someone help with this his math question please
    12·1 answer
  • Mary is the manager of a new clothing shop. The shop located in a new shopping mall and Mary wants to estimate the average daily
    6·1 answer
  • Evaluate each expression (-25) / 5 - (-3) =
    11·1 answer
  • Polygons ABCD and A′B′C′D′ are shown on the following coordinate grid: What set of transformations is performed on ABCD to form
    14·1 answer
  • To find the quocient of 8 divided by one-third, multiply 8 by​
    10·2 answers
  • Combine like terms:
    14·1 answer
  • What is m∠P?
    9·1 answer
  • Identify whether the representation is a function or not a function.
    5·2 answers
  • Identify the slope intercept equation of a line that has a
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!