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Pepsi [2]
3 years ago
7

Need help. If u answer fast or if u are first i will give u brainliest

Mathematics
2 answers:
aksik [14]3 years ago
8 0

Answer:

It is correct.

Step-by-step explanation:

Elis [28]3 years ago
7 0
You answer it correct in the picture
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If the Consumer Price Index (CPI) for 1989 was 124, the rate of inflation between the base period and 1989 was _ _ _ __? 24 perc
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If the CPI for 1989 was 124, the rate of the inflation between the base period and 1989 was 24%!
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50 POINTS AND BRAINLIEST! What is the area of this figure?
oksian1 [2.3K]

Answer:

42 units²

Step-by-step explanation:

The figure is composed of a rectangle ( middle section) and 2 triangles with the same length base and height

Area of rectangle = 7 × 4 = 28 units²

Area of 2 triangles = 2 × \frac{1}{2} × 7 × 2 = 14 units²

Area of figure = 28 + 14 = 42 units²


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3 years ago
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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
Don't know what to do
aivan3 [116]

Graph those on the number line


3 0
3 years ago
Travel time: 3.5 hours
kifflom [539]
60 mi/h * 3.5 h = 210 mi
8 0
3 years ago
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