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amid [387]
2 years ago
13

What is the volume of a cone with a radius of 6 cm and a height of 12 cm? Use 3.14 for pi. Round your answer to the nearest hund

redth. ​
Mathematics
1 answer:
Jlenok [28]2 years ago
3 0

Answer:

v=452.16

Step-by-step explanation:

use the cone volume formula: V=πr^2\frac{h}{3}

v=3.14*6^2*12/3

v=3.14*36*4

v=452.16

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Schach [20]
 i'm sure it's 208 because i used the area formula 
7 0
3 years ago
Read 2 more answers
Lines AB and CD are straight lines. Find x and y. Give reasons to justify your solutions. I need both answers.
Kazeer [188]

Answer:

1) x = 14°, y = 5°

2) x = 18.5°, y = 37°

Step-by-step explanation:

1) ∠AOC and ∠BOD are vertical angles, then ∠BOD = 25°

∠MOD = ∠MOB + ∠BOD = 90°

3x + 23° + 25° = 90°

3x = 90° - 23° - 25°

x = 42°/3

x = 14°

∠LOB = ∠LOM + ∠MOB = 90°

5y + 3x + 23° = 90°

5y = 90° - 23° - 3(14°)

y = 25°/5

y = 5°

2) ∠AOC and ∠BOD are vertical angles, then ∠BOD = 16°

∠EOB = ∠EOD + ∠DOB =  90°

2y + 16° = 90°

y = (90° - 16°)/2

y = 37°

∠DOF = ∠BOF + ∠DOB =  90°

4x + 16° = 90°

x = (90° - 16°)/4

x = 18.5°

4 0
3 years ago
Use the Pythagorean Theorem to find x <br> Round to the nearest tenth?
NemiM [27]

Answer: last option. 9.2

Step-by-step explanation:

The pythagoreon theorm tells us, a^2+b^2 = c^2. We can substitute these values, so 7^2 + 6^2 = x^2 => 49+36 = x^2 => root of 85. The root of 85 is 9.219 something so you can round 9.219 to 9.2.

6 0
3 years ago
Lisa specializes in baking lemon cupcakes. She bakes 3 dozen cupcakes every hour. The cost (in dollars) of making n cupcakes is
kirza4 [7]

Answer:

36h, 60+16.2h, and $92.40.

Step-by-step explanation:

n(h)=36h because there are 3 dozen cupcakes made per hour, to get C(h) you just plug in 36h in place of n and simplify, and then for the final answer 2 is plugged into the equation from the second answer.

8 0
4 years ago
Will reward brainliest
stiks02 [169]

Answer:

∴ opposite side = √108

Step-by-step explanation:

Here hypotenuse = 12 ft

It is a right angled triangle.

here triangle ABC in which ∠ C = 60°

 ∠B = 90°

so ∠A = 180° -( 90 +60)

           = 180 - 150

            = 30°

cos 60° = adjacent side ÷ hypotenuse

  \frac{1}{2} = x ÷ 12

\frac{1}{2} = \frac{x}{12}

12 = 2 x

∴ x = 6

adjacent side = 6

hypotenuse ² = adjacent side² + opposite side²

 12²  = 6² + opposite side²

144 - 36 = opposite side ²

108 = opposite side²

∴ opposite side = √108

6 0
4 years ago
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