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
Illusion [34]
3 years ago
15

Make h the subject of the relation V=1/3πr²h

Mathematics
1 answer:
Elodia [21]3 years ago
6 0

Answer:h=3V/πr^2

Step-by-step explanation:

V=1/3πr^2h

Cross multiply

3V=πr^2h

Divide both sides by πr^2

3V/πr^2=πr^2h/πr^2

3V/πr^2=h

h=3V/πr^2

You might be interested in
Can you do the grade 6 one thanks offering 1000(Promise) points for the first one to answer. Iam offering this much because its
DedPeter [7]

Answer:

She needs to finish in 48.7 percent of the time it normally takes her

Step-by-step explanation:

6th grade math problem

swim 15 minutes 45 seconds

bike ride   45 minutes

She want to complete the 3 events in 70 minutes

swim + bike + run = 70

15 minutes 45 seconds + 45 minutes + run = 70 minutes

Combine like terms

60 minutes 45 seconds +  run = 70 minutes

Subtract 60 minutes 45 seconds from each side

60 minutes 45 seconds - 50 minutes 45 seconds +  run = 70 minutes - 60 minutes 45 seconds

run = 9 minutes 15 seconds

Her training run was 19 minutes

The percent of time she needs to take is time to finish / training run time

percent = 9 minutes 15 seconds/ 19 minutes

We need to put this in minutes.  There are 60 seconds in 1 minute

9 minutes 15 seconds =  9 minutes  15/60 = 9.25 minutes

percent = 9.25 minutes / 19 minutes

percent = .486842105

percent = 48.7 percent

She needs to finish in 48.7 percent of the time it normally takes her

4 0
3 years ago
Read 2 more answers
1) Consider the two functions. Which statement is true?A) The rate of change for function A and function B are the same.B) The s
KIM [24]

Answer:

B.

Step-by-step explanation:

6 0
2 years ago
What is the difference x + 5/ x + 2 - x + 1 /x^2 + 2x
xxTIMURxx [149]

2x^3 + 2x^2 + 5x + 1/ x^2

3 0
3 years ago
Read 2 more answers
Similar triangles are congruent.
Alex Ar [27]

Answer:

Two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in proportion . In other words, similar triangles are the same shape, but not necessarily the same size. The triangles are congruent if, in addition to this, their corresponding sides are of equal length.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
True or false the reciprocal of 5 is 1/5<br>シ​
rodikova [14]

Answer:

True

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • Find the third quartile. {2, 5 ,6, 7, 15, 16, 17}
    7·1 answer
  • Compare ratio for 4/5 and 3/7​
    10·1 answer
  • A man from a village X on a bearing of 060 degree to a village Y which is 20km away.From Y,he travels to a village Z,on a bearin
    14·1 answer
  • Is this a one solution, no solution or infinit solution y=2x -1
    7·2 answers
  • What is the new amount given the original amount and the percent of change?
    6·1 answer
  • david bought a baseball card for $40. since then, the card has increased in value by 25%. what is the value of david's card now?
    8·1 answer
  • Lindsay has 3 3/4 gallons of paint plans on using 1 1/4 gallons in each row how many rooms should be able to paint
    8·1 answer
  • A car moving at a constant speed passed a timing device at t = 0. After 8 seconds, the car has traveled 936 ft. Write a linear f
    6·2 answers
  • Solve each system by substitution.<br> 1) y= 2x - 16<br> y= -2
    11·1 answer
  • F(x) = 3x+2<br> What is f(5)?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!