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Mariana [72]
3 years ago
8

Dose anyone know how to solve this?

Mathematics
1 answer:
sesenic [268]3 years ago
8 0

Answer:

AC is double the length of AB

so AC = 12

Step-by-step explanation:

mark me as brainliest ❤️

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rosijanka [135]

Answer:

You would have $18

Step-by-step explanation:

Have a good day!

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3 years ago
If a procedure meets all of the conditions of a binomial distribution except the number of trials is not​ fixed, then the geomet
morpeh [17]

Answer:

The probability is 0.0428

Step-by-step explanation:

First, let's remember that the binomial distribution is given by the formula:

P(X=k) =\left[\begin{array}{ccc}n\\k\end{array}\right] p^{k}(1-p)^{n-k} where k is the number of successes in n trials and p is the probability of success.

However, the problem tells us that when there isn't a number of trials fixed, we can use the geometric distribution and the formula for getting the first success on the xth trial becomes:

P(X=x) = p(1-p)^{x-1}\\

The problem asks us to find the probability of the first success on the 4th trial (given that the first subject to be a universal blood donor will be the fourth person selected)

Using this formula with the parameters given, we have:

p = 0.05

x = 4

Substituting these parameters in the formula and solving it, we get:

P(X=4) = 0.05(1-0.05)^{4-1}\\P(X=4) = 0.05 (0.95)^{3}\\P(X=4) = 0.05(.8573)\\P(X=4) = 0.0428

Therefore, the probability that the first subject to be a universal blood donor is the fourth person selected is 0.0428 or 4.28%

7 0
3 years ago
Write the number that matches the clues
almond37 [142]
290.

We know that the hundreds is two already.
The tens digit is 9 more than the ones digit, but since a digit can't be more than 9, the ones must be 0.

So the tens is 9 and the ones place is 0. Hopes this helps :)
8 0
3 years ago
For a field trip 20 students rode in cars and the rest filled 5 busses. How many students were in each bus if 210 students were
xeze [42]
First do 210 - 20 = 190
Then do 190/5 = 38
38 people per bus is the answer!!!!
3 0
3 years ago
Read 2 more answers
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torisob [31]

Answer:

Step-by-step explanation:

S56=56/2[2(-8)+(56-1)7]

S56=10332

4 0
3 years ago
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