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Misha Larkins [42]
3 years ago
8

The radius of a volleyball is 8.5 inches. What is the volume of the volleyball? *

Mathematics
1 answer:
Anastaziya [24]3 years ago
5 0

Answer: 2,572.441

Step-by-step explanation: use the equation for a sphere                             <u>4 x Rcubed x 3.14</u>                        

               3

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Which expression is a factor of 16x^2-81
krek1111 [17]

Answer:

b

Step-by-step explanation:

Reasoning: the square root of 16 is 4 and 81 square root is 9

so it is b pls give brainliest! have a good day

3 0
2 years ago
Find the area of each figure
Licemer1 [7]

Answer:\

3

Step-by-step explanation:

5 0
3 years ago
Please help, multiple choice
Misha Larkins [42]

Answer:

x=25

Step-by-step explanation:

If the figures are similar, then the angles are the same. So that means that angle H is equal to angle D (you can count he little arcs in the angle to find it's matching partner). Since this is true:

4x=100

Which is the same as D=H. Solve for x by dividing both sides by 4:

\frac{4x}{4} =\frac{100}{4} \\\\x=25

Finito.

4 0
3 years ago
Evaluate the expression x + (-5) +5 when x=-3<br> 4x12
Anastasy [175]

Answer:

2045

Step-by-step explanation:

-34×12(-5)+5

-405(-5)+5

2040+5

2045 is the answer

5 0
3 years ago
Assume that the poisson distribution applies and that the mean number of hurricanes in a certain area is 7.2 per year.
SCORPION-xisa [38]
Part A:

The poisson distribution is given by 

P(x;\mu)=e^{-\mu}\cdot \frac{\mu^x}{x!}

Thus, given that <span>the mean number of hurricanes in a certain area is 7.2 per year.

The </span><span>probability​ that, in a​ year, there will be 6 hurricanes is given by

</span>P(6;7.2)=e^{-7.2}\cdot \frac{7.2^6}{6!} \\ \\ =0.000747\times \frac{139314.0695}{720} \\ \\ =0.000747\times193.492 \\ \\ =0.1445


Part B:

<span>In a 45​-year ​period, the number of years that are expected to have 6 ​hurricanes is given by 0.1445 x 45 = 6.5 years.


Part C:

The poisson distribution worked here because, the observed value of the number of years that hurricanes occurred in a 45 year period which is 6 is very close to the calculated value which is 6.5</span>
4 0
3 years ago
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