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trapecia [35]
2 years ago
10

Volume (to the nearest tenth)

Mathematics
1 answer:
Ivenika [448]2 years ago
3 0

Answer:

913

Step-by-step explanation:

cylinder:

radius=5.6 height=7

first lets find the volume of the cylinder the formula for the volume of a cylinder is pi times radius squared times height. so after plugging in the height and radius you get 689.64242

cone:

radius=5.6 height=6.8

now the volume of the cone, the formula for the volume of a cone is pi times radius squared times height/3. so after plugging in the height and radius of the cone you get 223.31278

so 689.64242 + 223.31278= 912.9552 and that rounded to the nearest tenth is 913

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A number k divided by 6 identify the operation
grigory [225]

Answer:

÷ (could be x if you multiply by 1/6)

Step-by-step explanation:

It is literally the division symbol.

6 0
3 years ago
Find the area of the circle when C = 4π. Give your answer in terms of π.
slamgirl [31]

Answer:

12.56

Step-by-step explanation:

So, the circumference will be 4(3.14), which is 12.56. So, now you can solve for area. <em>By the way, the formula is: C = pi(d) (Just saying)</em>

Anyways, A = pi(r)2. So, with the radius being half of the diameter, you will cut 4 in half. You are now ready to solve.

A = 3.14 (2) (2), which is 12.56 .

Hope this helps! :)

7 0
3 years ago
If you draw a card with a value of four or less from a standard deck of cards, I will pay you $162. If not, you pay me $45. (Ace
DanielleElmas [232]

Answer: 2.77

The expected value is positive, so you expect to gain on average $2.77 per draw.

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

Explanation:

Define two events

W = winning = getting a card 4 or less

L = losing = getting 5 or higher

P(W) = probability of winning

P(W) = 12/52 since there are 12 cards that are four or less out of 52

P(W) = 3/13 for any suit of 13, there are 3 cards that are four or less

P(L) = 1-P(W)

P(L) = 1-3/13

P(L) = 13/13 - 3/13

P(L) = 10/13

V(W) = net value of winning

V(W) = 162

V(L) = net value of losing

V(L) = -45

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

E(X) = expected value

E(X) = P(W)*V(W) + P(L)*V(L)

E(X) = (3/13)*162 + (10/13)*(-45)

E(X) = 36/13

E(X) = 2.76923076923077

E(X) = 2.77 rounding to two decimal places (to the nearest cent)

This game is in favor to the player since we got a positive expected value. A fair game would occur if the expected value was 0.

4 0
3 years ago
3+7 and 1/2÷1 and 3/10
natali 33 [55]

Answer:

8.76923076923

Step-by-step explanation:

7 0
3 years ago
What is 2.63533 rounded to the nearest ten thousandths place?
sattari [20]
The answer would be 2.6353, hope this helps. ^^
8 0
3 years ago
Read 2 more answers
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