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Nitella [24]
3 years ago
9

a spinner has 3 blue sections, 5 red sections and 4 green sections. it is spun 24 times. you would expect it to land on red 10 t

imes. is this true or false
Mathematics
1 answer:
Pie3 years ago
7 0

Answer:

False

Step-by-step explanation:

The total number of sections is 12

3 blue sections, 5 red sections and 4 green sections

P(red) = 3 red/ 12 total = 1/4

Spin 24 times

24 * P (red) = 24*1/4 = 6

We would expect 6 red spins

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Answer:

7

Step-by-step explanation:

Convert 87.5% to a decimal.

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Multiply it with 8 to get 7

.875*8=7

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A cube with sides 5 inches, and a pyramid with base edges 5 inches. What is the height, so that the volume of the cube and the p
Ostrovityanka [42]

<u>1</u><u>5</u><u> </u><u>inches</u> is the height of the pyramid

Step-by-step explanation:

The volume of a cube is a³

Given <em>a</em> = 5 inches

→ Volume = a³

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= 5×5×5

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The volume of a pyramid is \frac{1}{3} {a}^{2}h

Given a = 5 inches , h = height of pyramid

=  >  \frac{1}{3} {a}^{2} h

=  >  \frac{1}{3}(5)^{2}h

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=  > 25h = 125 \times 3

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=  > h =  \frac{375}{25}

=  > h = 15

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The distance between the two points is 10.
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