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ruslelena [56]
2 years ago
11

What is the volume of the cylinder below?

Mathematics
1 answer:
yulyashka [42]2 years ago
4 0

Answer:

A

Step-by-step explanation:

v=πr2h

r=(3)²* 5

45π unit³

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Which three-dimensional figure has the greatest number of faces?
Digiron [165]

Answer:

Octagonal pyramid

Step-by-step explanation:

Hexagonal Prism: 8 faces

2 hexagon bases, and 6 faces that connect each side of the bases

Octagonal pyramid: 9 faces

One octagon base, and 8 faces that meet at a point- all extending from each side of the base

Rectangular prism: 6 faces

Two rectangle bases, and 4 faces connecting each side of the bases

Pentagonal pyramid: 6 faces

One pentagon base, and 5 faces that meet at a point- all extending from each side of the base

I recommend searching for a picture of each of the figures to help you understand this.

3 0
3 years ago
Read 2 more answers
PLEASE HELP ME ASAP!! I had trouble with this and it is now over due
erica [24]

Answer:

Shira: x = 8

Samuel: m = 0

Step-by-step explanation:

Shira's mistake was that she subtracted 2 from both sides instead of adding to on both sides.

Correct Solving:

2x - 2 = 14

Add 2 to both sides;

2x = 16

Divide both sides by 2;

x = 8

Samuel's mistake was that when he distributed -2 to 8m and 8 he put the wrong sign for -2 * 8.

Correct Solving:

-2(8m + 8) = -16

Distribute;

-16m - 16 = -16

Add 16 to both sides;

-16m = 0

Divide both sides by -16;

m = 0

3 0
3 years ago
The radius of a cone is 5cm the heigth of the cone is 18 cm what is the volume of the cone
nikitadnepr [17]
6-8 cm is the answer!! Hope this helps!
3 0
3 years ago
I'm giving 50 points and brainliest answer to whoever can answer this... Please show your work so I can try to understand it xD
Oksana_A [137]
Ok, to solve this first you have to set up your proportion:

9/150=x/230

/ is a fraction

x= the number of vials it will take to treat 230 patients

in order to solve this, you have to cross multiply:

9 x 230= 2070

150 · x= 150x

so you get 150x=2070

then divide 2070 by 150

2070/150= 13.8

so it would take 13.8 vials of medicine to treat 230 patients
7 0
2 years ago
Read 2 more answers
Use the Distributive Property to solve the equation.
aliya0001 [1]

Answer:

x = -6

Step-by-step explanation:

-5(x + 3) = 15

Distribute the -5

-5x -15 =15

Add 15 to each side

-5x-15+15 =15+15

-5x = 30

Divide each side by -5

-5x/-5 = 30/-5

x =-6

8 0
3 years ago
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