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2 years ago

You spin the spinner once. What is P ( not less than 7)? Write your answer as a fraction. Ex: 2/3 *

Mathematics

1 answer:

Dafna11 [192]2 years ago

6 0

Answer:

P(not less than 7) = 1/4

Step-by-step explanation:

As the spinner has 4 sectors.

We spin the spinner once.

Probability not less than 7 means the spinner mapping the number greater than 7.

Here, only 8 is the number which is not less than 7.

Therefore, P(not less than 7) = 1/4

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Answer:

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Step-by-step explanation:

step 1

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The volume of the cylinder is equal to

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we have

$r=4/2=2\ in$ ---> the radius is half the diameter

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substitute

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step 2

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The volume of the cone is equal to

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we have

$r=2\ in$ ---> the radius is the same that the radius of the cylinder

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substitute

$V=\frac{1}{3}\pi (2)^{2} (0.70)\\\\V=0.93\pi\ in^3$

step 3

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we know that

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$V=32\pi-0.93\pi=31.07\pi\ in^3$

assume

$\pi=3.1416$

$V=31.07(3.1416)=97.6\ in^3$

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2 years ago

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