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Liono4ka [1.6K]
3 years ago
9

Find the volume of the cone. Leave your answers in therms of pi.

Mathematics
1 answer:
SOVA2 [1]3 years ago
5 0
Hey there! :)

The formula for finding volume of a cone = (π · r² · h) ÷ 3

r = 3
3² = 3 × 3 = 9

h = 7

7 × 3 × π = 21π

Your answer is C. 21π³

Hope this helps :)
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I need this answered
const2013 [10]

Answer:

D. Infinite solutions

Step-by-step explanation:

Any solution where a number equals itself represents infinite amount of solutions.

4 0
2 years ago
Select all of the following that would be an acceptable set builder notation for the set {7, 8, 9, 10, 11, 12, 13, 14}.
ludmilkaskok [199]
<h3>Answer: Choice B</h3>

{x | x is a natural number with 6 < x < 15}

===========================================================

Explanation:

The given set is in roster notation. Think of a baseball or football team (or any sports team) how their roster lists out all of the players. In this case, each number is like a player.

The idea here is to simplify the set so we don't have to write out every single item. Instead we have a rule to make things a bit simpler.

In this case, the set {7, 8, 9, 10, 11, 12, 13, 14} describes all natural numbers from 7 to 14

This means we can say {x | x is a natural number with 6 < x < 15}

Note how the endpoints x = 6 and x = 15 are not included. This is because there isn't a "or equal to" as part of the inequality sign. Sure enough 6 and 15 are not part of the original set.

An equivalent set would be \{ x | \text{ x is a natural number with } \ 7 \le x \le 14\} and here we have "or equal to" involved. For this example, the endpoints x = 7 and x = 14 are included.

--------------

Something like choice A and choice D are not complete answers because we don't know if x is a whole number, natural number, rational number, real number, etc. If x was say a real number, then x = 10.75 would be involved with choice A. But 10.75 is not part of the original set.

5 0
3 years ago
Point slope y-7=2/9x-3
elena55 [62]
The slope is the value in the term with "x". That is 2/9x has "x".

In this case, the slope will be 2/9
8 0
3 years ago
Question is down below<br> ⬇️
aliya0001 [1]

Answer:

A, C,E

Step-by-step explanation:

Using the rise over run method (change in y over change of x) if the x value stays the same then the function will be undefined.

6 0
3 years ago
Read 2 more answers
Please help, solve for x
madreJ [45]

Answer: x=12

First, you do 8 squared = 4(4+x)

Then, you distribute and becomes a two-step equation.

64=16+4x.

So x=12.

Hope it helps :) Brainliest?

7 0
3 years ago
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