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3 years ago

The height of a cone is 10 inches and the radius of the cone is 4 inches. What is the approximate volume golf the cone?

Mathematics

2 answers:

KonstantinChe [14]3 years ago

7 0

Answer:

V = 167.55 inches^3

Step-by-step explanation:

$v = \frac{1}{3} \pi {r}^{2} \times h \\ v = \frac{1}{3} (3.14) \times ( {4})^{2} \times (10) \\ v = 167.55 \: \: \: {inches}^{3}$

I hope that is useful for :)

Furkat [3]3 years ago

6 0

Just need to sub into the formula

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Two containers hold several balls. Once a second, one of the balls is chosen at random and switched to the other container. Afte

natka813 [3]

Answer:

(a) 8 balls

(b) 4 balls

Step-by-step explanation:

Let

$N \to$ Number of balls

For a box, the probability that there are N balls in it is:

$Pr = 0.5^N$

For 2 boxes, it is:

$Pr = 2 * 0.5^N$

From the question, we have:

$\frac{80}{10000} \to$ Favorable outcome

To solve for N, we have:

$2 * 0.5^N = \frac{80}{10000}$

$2 * 0.5^N = 0.008$

Divide both sides by 2

$0.5^N = 0.004$

Take log of both sides

$\log(0.5^N) = \log(0.004)$

Apply law of logarithm

$N\log(0.5) = \log(0.004)$

Make N the subject

$N = \frac{\log(0.004)}{\log(0.5)}$

$N =7.966$

Approximate

$N = 8$

Solving (b): Balls in one of the two boxes.

Here, we assume that each ball will have almost the same number of balls at a given instance;

Hence, we have:

$Balls \approx \frac{N}{2}$

$Balls \approx \frac{8}{2}$

$Balls \approx 4$

<em>4 balls in each box</em>

6 0

3 years ago

3800 divided by 4, I know it’s 950 but I need to know how to get 950

Romashka-Z-Leto [24]

Here you go hope this helps :)

3 0

3 years ago

The perimeter of a triangle is 47cmIf the longest side of the triangle is 4cm less than three times the shortest side and the th

mario62 [17]

Step-by-step explanation:

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2 years ago

What is the distance between the points (18, 39) and (3, 39) in the xy-plane?

nydimaria [60]

Answer:

C. 15 units,

Step-by-step explanation:

The y coordinates are both 39 so the line joining the 2 points is a horizontal line.

Distance = 18-3 = 15.

8 0

3 years ago

Area of the living room is 180 square feet and the perimeter is 54 feet. What are the dimensions in feet?

dolphi86 [110]

Answer.....15ft by 12ft

Explanation:

Area = Length × Width

180 = LW....make W the subject of formula

;W = 180/L

Perimeter = 2L + 2W

54 = 2L + 2(180/L)...sub W with the formula above...

then simplify the equation and obtain...

2L^2 - 27L + 180 = 0....then solve using the quadratic formula....then obtain..

;L = 15ft....after obtaining L = 15...then substitute into the W = 180/L equation...

where W = 180/15 = 12ft

there you have...Length = 15ft and Width = 12ft

5 0

3 years ago