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AlekseyPX
2 years ago
13

Someone please help me I’ll give out brainliest please don’t answer if you don’t know

Mathematics
1 answer:
natita [175]2 years ago
5 0

Answer:

$14.77

Step-by-step explanation:

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Stanley earns $28 for every 2 hours that he works. How much money does he earn during a given amount of time?
baherus [9]

Answer:

e = 14x, where x is the number of hours he works, and e is the total earnings.

5 0
3 years ago
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Please help really quick I really need some help with this question
Marta_Voda [28]

Answer:

first two because they align almost perfectly with the scatterplot and fit the direction described

Step-by-step explanation:

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2 years ago
What is the y- intercept of: y=-2x
shusha [124]

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it is Zero 0

Step-by-step explanation:

7 0
3 years ago
The Census Bureau's Current Population Survey shows that 28% of individuals, ages 25 and older, have completed four years of col
gizmo_the_mogwai [7]

Answer:

19.35% probability that five will have completed four years of college

Step-by-step explanation:

For each individual chosen, there are only two possible outcomes. Either they have completed fourr years of college, or they have not. The probability of an adult completing four years of college is independent of any other adult. So the binomial probability distribution is used 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.

28% of individuals

This means that p = 0.25

For a sample of 15 individuals, ages 25 and older, what is the probability that five will have completed four years of college?

This is P(X = 5) when n = 15. So

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

P(X = 5) = C_{15,5}.(0.28)^{5}.(0.72)^{10} = 0.1935

19.35% probability that five will have completed four years of college

5 0
2 years ago
What are the values of x and y?<br><br> (Explain please it will help a lot,thanks)
Kitty [74]
X = 80
y = 85

If you look at only the left triangle, you can see that x is part of one of the angles. The 3 interior angles of the triangle add up to 180 degrees, so subtracting the other two angles, you get x + 30 = 110, or x = 80.

The same method can be used for the other triangle to find y.
5 0
3 years ago
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