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Anarel [89]
2 years ago
8

Which is the correct answer

Mathematics
2 answers:
Radda [10]2 years ago
6 0

Answer:

n = -9

Step-by-step explanation:-

777dan777 [17]2 years ago
5 0
N = -9 because if you plug in -9, you get the same answer on both sides of the equation. Try it out
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Round your answer to the nearest hundredth.
BartSMP [9]

Answer:

in \: right \: angle \: triangl \: a \: b \: c \\  tan35 =  \frac{bc}{ac }  =  \frac{bc}{2}  \\ bc = 2 \times 0.7002 \\ bc = 1.4004

3 0
2 years ago
In a certain city district the need for money to buy drugs is stated as the reason for 70% of all thefts. Find the probability t
torisob [31]

Answer:

9.72% probability that among the next 7 theft cases reported in this district, exactly 3 of them resulted from the need to buy drugs.

Step-by-step explanation:

For each theft, there are only two possible outcomes. Either the need to buy drugs is the reason of the theft, or it is not. Each theft is independent of each other. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which 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)!}

And p is the probability of X happening.

In a certain city district the need for money to buy drugs is stated as the reason for 70% of all thefts.

This means that p = 0.7

Find the probability that among the next 7 theft cases reported in this district, exactly 3 of them resulted from the need to buy drugs.

This is P(X = 3) when n = 7. So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 3) = C_{7,3}.(0.7)^{3}.(0.3)^{4} = 0.0972

9.72% probability that among the next 7 theft cases reported in this district, exactly 3 of them resulted from the need to buy drugs.

5 0
3 years ago
Supplementary angles are those whose measurements add up to 90 degrees <br> True or False
erma4kov [3.2K]

Answer: No

Step-by-step explanation:

Complementary means angles add up to 90 degrees.

Supplementary means angles add up to 180 degrees.

Since Supplementary doesn't add up to 180 degrees, the answer is false.

8 0
2 years ago
Read 2 more answers
What is the solution to 31|-3x + 9|=-18
Kisachek [45]

Answer:

No solutions

Step-by-step explanation:

31 times any positive number cannot be a negative number.

8 0
3 years ago
10.44 is 14.4% of what number?
kipiarov [429]
The answer for that is .. 17?
3 0
3 years ago
Read 2 more answers
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