2 years ago

How do you calculate the volume of a cone when given the height and diameter describe the steps used to solve

1 answer:

7 0

The photo is an example.
Divide the diameter by 2 to get the radius.
Then times 1/3 time Pi times the radius squared times the height.
The formula is V=1/3(Pi)(radius squared)(height)

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Can someone help me find the midpoint?

ioda

Answer:

(6,-2.5)

Step-by-step explanation:

The formula for the midpoint between two points is:

$(\frac{x_{1} + x_{2}}{2},\frac{y_{1}+y_{2}}{2})$

Now we substitute

We have than (9, -1) is $(x_{1}, y_{1})$ and (3, - 4) is $(x_{2}, y_{2})$

So:

$(\frac{(9) + (3)}{2},\frac{(-1)+(-4)}{2})\\\\(-1) + (-4) = -5\\9 + 3 = 12\\$

So, we have:

$(\frac{12}{2}, \frac{-5}{2})\\\\12 / 2 = 6\\-5 / 2 = -2.5\\\\(6, -2.5)$

I can do a graphic explanation if you want.

6 0

2 years ago

7(3x/1)=-1<br>its distributive property but I don't know how to solve it

Lelu [443]

7(3x/1)=-1
7(3x)=-1
21x=-1
21x/21=-1/21
X=-1/21

Answer: -1/21

7 0

3 years ago

14α - (2a + 9) = 3 (12a - 18)

Leona [35]

Answer:

a = 2 5/8

Step-by-step explanation:

14a - (2a + 9) = 3 (12a - 18)

14a - 2a + 9 = 36a - 54

12a + 9 = 36a - 54

12a - 36a = -54 - 9

-24a = -63

a = -63/-24

a = 21/8

a = 2 5/8

3 0

3 years ago

Cynthia ran 17.5 laps in 38.5 minutes if she ran each lap at the same pace how long did it take her to run one full lap

marishachu [46]

Answer:

2.2 minutes

Step-by-step explanation:

38.5 ÷ 17.5 = 2.2

4 0

3 years ago

Royce has $15 with him and spends $12 to buy his favorite comics. He has $3 left, which he deposits in the bank. Which number wi

Sonja [21]

Answer:

C: +3

Step-by-step explanation:

We know this because Royce added money to his bank account, not subtract (b). The other options are just there to confuse you.

I hope this helps!!

6 0

3 years ago

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