2 years ago

PLZ do all of it plz i will give brainlest and thanks to best answer

Mathematics

1 answer:

gogolik [260]2 years ago

4 0

Answer:

9. -9

10.5

wait for someone elses opinion tho.....

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Evaluate the expression for x = 4 1/3 9x + 4 A) 39 B) 40 C)43 D)52

max2010maxim [7]

C because 4 1/3= 13/3
Then (13/3)x9= 39
Lastly 39+4= 43

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3 years ago

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) Suppose that a subset of five balls will be randomly selected from an urn containing amber, blue, and green balls. (a) If the

vazorg [7]

Answer:

0.0023 = 0.23% probability that all 5 balls selected will be the same color

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The order in which the balls are selected is not important, which means that the combinations formula is used to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

Desired outcomes:

Either 5 amber from a set of 6, or 5 blue from a set of 5. So

$D = C_{6,5} + C_{5,5} = \frac{6!}{5!1!} + \frac{5!}{5!0!} = 6 + 1 = 7$

Total outcomes:

5 balls selected from a set of 6 + 5 + 4 = 15. So

$T = C_{15,5} = \frac{15!}{5!10!} = 3003$

Probability:

$p = \frac{D}{T} = \frac{7}{3003} = 0.0023$

0.0023 = 0.23% probability that all 5 balls selected will be the same color

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3 years ago

Here is a list of numbers: -20, -6, -12, 18, 14, 18, -15,-9,-4,-10 State the median.

Oduvanchick [21]

Answer:

-7.5

Step-by-step explanation:

Put all the numbers in order (least to greatest)

-20, -15, -12, -10, -9, -6, -4, 14, 18, 18

Find the number in the middle

-9 and -6

Add -9 and -6 together and divide by 2 to get median.

-7.5

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3 years ago

What is 8.5 divided by 520?

blagie [28]

0.01634615
hope this helps. :)

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3 years ago

Ms. Ling brought party hats for the 86 fourth graders at school . The hats come in packages of 6. How many packages did Ms. Ling

kakasveta [241]

She bought 15 hats for her classes

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3 years ago

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