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3 years ago

Hey can anyone help me on number B please?

Mathematics

2 answers:

NNADVOKAT [17]3 years ago

5 0

Answer:60

Step-by-step explanation:all sides of the triangle have to be 180 degrees

Troyanec [42]3 years ago

3 0

Answer:

60 degrees

Step-by-step explanation:

120 and the angle next to it are supplementary angles meaning they add up to 180. So take 180 - 120 to get 60. A triangle's angles add up to 180. So you take the 60's from the 180 to get the other sixty. In other words 180 - (60 + 60) = 60.

Hope this helped. I feel like I explained this kinda weird so ask questions if you have them.

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natali 33 [55]

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geniusboy [140]

Answer:

12709 balls

Step-by-step explanation:

Given

Dimension of Room = 15 ft by 20 ft by 10 ft

Diameter of Ball = 9.2 inches

Required

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This is done by multiplying the dimensions of the room

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Next, we calculate the volume of the ball.

The ball is a sphere.

So:

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Where

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To calculate the number of balls, we then divide the volume of the room by volume of a ball

$Balls = \frac{3000\ ft^3}{407.88419\ in^3}$

Convert ft^3 to in^3

$Balls = \frac{3000 * 1728in^3}{407.88419\ in^3}$

$Balls = \frac{3000 * 1728}{407.88419}$

$Balls = \frac{5184000}{407.88419}$

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<em>Hence, the room will contain 12709 balls</em>

5 0

3 years ago