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
Mama L [17]
3 years ago
11

First time doing mensuration, can someone enlighten me on how to find the height of the hemisphere and cone?

Mathematics
2 answers:
muminat3 years ago
8 0

Answer:

3 cm and 4 cm.

Step-by-step explanation:

The height of the hemisphere is the same as its radius, 3 cm.

The height of the cone = 7 - 3 = 4 cm.

Alina [70]3 years ago
4 0

Answer:

Step-by-step explanation:

volume=1/3\pi  r^2h +2/3\pi r^3[

tex]=1/3\pi *9*4+2/3\pi  *3^3[/tex]

=12\pi +18\pi= 30 \pi volume

You might be interested in
On a coordinate plane, Point J is plot at (-4,6) and Point K is plotted at (8,-3). What is the distance, in units, between point
zhuklara [117]
Idk I tried this but I can't get it

4 0
3 years ago
If y varies directly as x and x=2 when y=−4, find y when x=−6.
kakasveta [241]

Answer:

Equation: x × -2 = y

Solution: y = 12

Step-by-step explanation:

if (x = 2) is (y = -4) then (x = 1) is (y = -2) so if (x = -6) is (y = 12) if we follow the equation [x × -2 = y] which was found using the first set of variables and dividing each by 2.

4 0
3 years ago
5. How many solutions does the equation<br> 7x + 3x – 8= 2(5x – 4) have? Explain.
GREYUIT [131]

Answer:

Your answer is: Infinitely Many

Any value of  x  makes the equation true.  Also, they are all real numbers.

Step-by-step explanation:

If you are solving to find all Complex Number Solutions: ↓

Solve the equation to find all of the complex solutions and that means that equation will be always true.

Hope this helped : )

6 0
3 years ago
HELP!!!!<br><br> x ÷ 5.35 = 1.2
zloy xaker [14]

Answer:

x=6.42

Step-by-step explanation:

Multiply both sides by 5.35.

x=1.2×5.35

Simplify 1.2×5.35  to  6.42.

x=6.42

3 0
3 years ago
Alexander is building a rectangular pen in his backyard for his dog. The pen will have a length of 13 feet and a width of 2x fee
faust18 [17]

Answer:

4x+26

Step-by-step explanation:

to buy fencing, you need to find the perimeter of the pen. The perimeter is found by adding all sides together.

So, 13+13+2x+2x=4x+26

3 0
3 years ago
Other questions:
  • Write the slope-intercept form of the equation for the line.
    12·1 answer
  • The length of a store is 21 2/3 feet, and the area is 325 square feet, what is the width of the store?
    9·1 answer
  • Pleaseee help mee I will appreciate it
    6·1 answer
  • If f(x) = x/2 -3 and g(x) = 3x2 +x-6 find (f+g) (x)
    11·1 answer
  • What is 5x X8. Be. <br><br><br><br><br><br><br> Hxbzbzhhsbdvd dvdbbdbdnxnxz
    5·1 answer
  • What is the center of the circle for this equation:<br> (x + 3)² + (y - 2)² = 25
    15·1 answer
  • Review the proof.
    5·2 answers
  • Work out, giving your answer as a mixed number:<br> 4 2/3 + 1 3/4 =
    12·2 answers
  • I neeeed helpssssssssssasss
    7·1 answer
  • Please help 100 points please
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!