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tekilochka [14]
3 years ago
14

I’m trying to find tan B

Mathematics
2 answers:
emmasim [6.3K]3 years ago
6 0
15/8 is your answer, i hope i’m right
erik [133]3 years ago
4 0
Yeah I agree 15/8 seems like the best answer.
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26 × (– 48) + (– 48) × (–36).
Rina8888 [55]

Answer:

480

Step-by-step explanation:

(26*-48)+(-48*-36)

-1248 + 1728

480

6 0
1 year ago
Naval intelligence reports that 99 enemy vessels in a fleet of 1818 are carrying nuclear weapons. If 99 vessels are randomly tar
oee [108]

Answer:

0.001687 = 0.1687% probability that no more than 1 vessel transporting nuclear weapons was destroyed.

Step-by-step explanation:

The vessels are destroyed and then not replaced, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by the following formula:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

In which:

x is the number of successes.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

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)!}

In this question:

Fleet of 18 means that N = 18

9 are carrying nuclear weapons, which means that k = 9

9 are destroyed, which means that n = 9

What is the probability that no more than 1 vessel transporting nuclear weapons was destroyed?

This is:

P(X \leq 1) = P(X = 0) + P(X = 1)

In which

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

P(X = 0) = h(0,18,9,9) = \frac{C_{9,0}*C_{9,9}}{C_{18,9}} = 0.000021

P(X = 1) = h(1,18,9,9) = \frac{C_{9,1}*C_{9,8}}{C_{18,9}} = 0.001666

Then

P(X \leq 1) = P(X = 0) + P(X = 1) = 0.000021 + 0.001666 = 0.001687

0.001687 = 0.1687% probability that no more than 1 vessel transporting nuclear weapons was destroyed.

4 0
3 years ago
Helppp plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
Lynna [10]

Answer:

Jacob served 16 quarts of juice.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Anyone know what -10 + 9 is?
KonstantinChe [14]

Answer:

Step-by-step explanation:

-1

3 0
3 years ago
Read 2 more answers
What is the slope between the points (-5 7) and (4 -8)?
german

Answer:

15/-9

Step-by-step explanation:

y2-y1/x2-X1

7-(-8) 15

-5-4. -9

4 0
3 years ago
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