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Naddik [55]
3 years ago
5

Please help I confused with this one

Mathematics
1 answer:
Nady [450]3 years ago
8 0

Answer:

(3.75, 5.5)

Step-by-step explanation:

Please see attached picture for full solution.

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A cone with a radius of 3" has a total area of 24π sq. in. Find the volume of the cone.
Rus_ich [418]
The answer is 12π.

To get the volume of the cone, we need the height. The radius is given.

V = πr² × (h/3)

The total surface area of the cone is:
SA = πr² + πrl where r is radius and l is slant height

24π = π(3)² + π(3)(l)
24π = 9π + 3πl
24π - 9π = 3πl
15π = 3πl
l = 15π / 3π
l = 5

Using Phytagoras, we can calculate the height of the cone:
l² = h² + r²
5² = h² + 3²
25 - 9 = h²
h = √16
h = 4

Therefore the volume is:
V = π(3)² × (4 / 3)
V = 3π × 4
V = 12π
5 0
3 years ago
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A basketball player has already scored 56 points in a game. The team record for points in a game is 72. Which equation would all
maks197457 [2]

A because if you subtract 56 from both sides, then x would show you what equals the tied record

8 0
3 years ago
At a pet store, Davina counted 12 parrots out of 20 birds. Which is an equivalent ratio of parrots to birds at the pet store?
vlada-n [284]
The answer would be D
5 0
3 years ago
Find the Mean,<br> 3, 9, 13, 8, 10, 2<br> Mean<br><br><br> can someone help me?
Doss [256]

Answer:

7.5

Step-by-step explanation:

3 + 9 + 13 + 8 + 10 + 2 = 45

There are 6 numbers so we divide 45 by 6

45/6 = 7.5

7 0
3 years ago
Subtract.
Goryan [66]

Answer: the answer your looking for is

-5 7/10

Step-by-step explanation:

3 0
2 years ago
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