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
Alisiya [41]
2 years ago
7

The volume of a cone is 800 cubic cm and the radius is 9 cm. Calculate the height.

Mathematics
1 answer:
scZoUnD [109]2 years ago
4 0

Answer:

Step-by-step explanation:

v =\frac{1}{3} \pi r^{2} h

800=\pi 9^{2} /3

800*3=\pi 81 *height

height=2400/81 * \pi

=2400/254.34

=9.4362

You might be interested in
How do u solve 31 is 40% of what number? So confused?
VashaNatasha [74]
Method\ \#1\\\\\begin{array}{ccc}31&-&40\%\\x&-&100\%\end{array}\ \ \ \ |cross\ multiply\\\\\\40x=31\cdot100\ \ \ \ |divide\ both\ sides\ by\ 40\\\\x=\frac{3100}{40}\\\\\boxed{x=77.5}

Method\ \#2\\\\p\%=\frac{p}{100}\to40\%=\frac{40}{100}=0.40=0.4\\\\x-the\ number\\\\40\%\ of\ the\ number\ is\ 31:\\\\0.4x=31\ \ \ \ |divide\ both\ sides\ by\ 0.4\\\boxed{x=77.5}
6 0
3 years ago
Which types of dilation are the given scale factors?
yan [13]

1:Contraction

2:Expansion

3:Contraction

4:Expansion

8 0
2 years ago
If I round the number 43,257,529 to 43,300,000 what place value did I round the number to
Irina-Kira [14]
You rounded your number to the 100,000's (hundred thousands)
3 0
3 years ago
A and B share the cost in a ratio of 3:2 A pays 125£ how much does b pay???
lana66690 [7]
Let the common multiple be x 
<span>3x : 2x </span>
<span>3x = 125 </span>
<span>x = 125/3 </span>

<span>So, B pays 2x = 2 × 125/3 = £250/3 </span>
8 0
2 years ago
Read 2 more answers
Does anyone know how to do this?
Tom [10]

Answer:

look below but sorry that i dont know part b

Step-by-step explanation:

y = 5/2x-3

slope=5/2 y-int = -3

y=x-9

slope=1/1 y-int=-9

y=5x

slope= 5/1 y int=0

y=-1/2x +5

slope=-1/2 y-int= 5

plzzzz plzplz mark me brainliest thank you!!!!!!!!!!!!

5 0
3 years ago
Other questions:
  • Suppose you invest $1600 at an annual interest rate of 4.6% compounded continuously. Using the formula A(t) =P*e^rt , how much w
    10·1 answer
  • A total of 600 tickets were sold for the school play. they were either adult tickets or student tickets. the number of student t
    15·1 answer
  • You spend 1/2 of your allowance on Monday. On Tuesday, you spend 1/2 of the amount you have left. On Wednesday, you spend 1/2 of
    8·1 answer
  • 4. 4x-(3/5)=(2/5) 5. x-13+4x=22 6. -36=(-6)(2x-14)
    8·1 answer
  • This problem is attempting to TRICK you.
    11·1 answer
  • -8(y + 5) = -8y - 40 TRUE or FALSE
    5·1 answer
  • HELP ALGEBRA HELP ASAP MATH
    10·1 answer
  • The ratio of peanut butter to chocolate is 5:3. If there are 100 pieces of chocolate, how much peanut butter is there (round you
    6·1 answer
  • Please help need ASAP
    14·1 answer
  • Coreys bank account had a balance of $55. He made a deposit of $364 and withdrawal of $67
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!