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3 years ago

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Find the volume of a right circular cone that has a radius of 4 inches and a height of 12 inches. A. 36 in. B. 48 in. C. 52 in.

D. 64 in.

2 answers:

Hatshy [7]3 years ago

8 0

Answer:

D.) 64pi in.³

Step-by-step explanation:

I got it right in quiz, trust me.

I hope this helps! ^^

OLEGan [10]3 years ago

7 0

Answer:

A) 36 inches

36 Incheon is the correct answer

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What is the answer to this??

Helga [31]

Since the triangle is equilateral, all its angles are equal to 60°

AO is the bisector⇒∠OAD = 30°

AO AO is the hypotenuse, ∠OAD = 30°⇒

OD=10:2=5ft

By the Pythagorean theorem

$10^2=AD^2+5^2\\AD=\sqrt{100-25} \\AD=\sqrt{75}$

$AC=AD+DC=2\sqrt{75}=10\sqrt{3}$

$S=\frac{a^2\sqrt{3} }{4}$

$S=\frac{(10\sqrt{3})^2\sqrt{3} }{4} =\frac{300\sqrt{3} }{4} =75\sqrt{3} ft^2$

Answer: A) $S=75\sqrt{3}$ ft²

P.S. Hello from Russia and sorry for my bad english :^)

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3 years ago

Part A: You have $0.80 in your backpack in dimes and quarters. Let x represent the number of dimes and y represent the number of

Alik [6]

Part A: 0.10x + 0.25 = 0.80 (dimes are 10 cents or 0.10 dollars, quarters are 0.25 dollars)
Part B: Plug in what you DO know and solve the one you DON’T:
0.10x + 0.25(2) = 0.80
0.10x + 0.50 = 0.80. Subtract 0.50 from both sides:
0.10x = 0.30 (Divide both sides by 0.10)
x = 3
Therefore you have 3 dimes

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3 years ago

How do I solve this problem

guapka [62]

You first subtract 1/5 from both sides
3/4-1/5 = 11/20
3/2x=11/20

now you multiply 2/3 on both sides since you have to get x

11/20 * 2/3
x = 11/30

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3 years ago

PLASE HELP!!! I WILL GIVE BRAINLIEST!!!

zhannawk [14.2K]

0.43 =

3/100 = 0.03

+

4/10 = 0.4

0.03 + 0.4 = 0.43.

Hope this helped☺☺

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3 years ago

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Help me solve this problem please

Simora [160]

Answer:

6

Step-by-step explanation:

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