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Solnce55 [7]
2 years ago
14

Which function represents a parabola that opens downward and intersects the x-axis at (3,0) and (-4,0)?

Mathematics
2 answers:
Sindrei [870]2 years ago
6 0
It would be C for personal reasons only
Gennadij [26K]2 years ago
4 0

Answer:

Step-by-step explanation:

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A job fair was held at the Student Union. 25% of the students who attended received job offers. Of all of the students at the jo
vovangra [49]

Answer:

A) Both events are not independent.

B) Both events are not mutually exclusive

C) 8.33%

D) 80%

Step-by-step explanation:

A) Both events are not independent. This is because, If B occurs it means that it is very likely that J will occur as well.

B) Both events are not mutually exclusive. This is because it is possible for both events J and B to occur at the same time.

C) we want to find the probability that Joe who is not a business student will receive the job offer.

This is;

P(J|Not B) = P(J & Not B)/P(Not B)

Now,

P(J & Not B) = P(J) – (P(B) × P(J | B))

25% of the students who attended received job offers. Thus; P(J) = 0.25

40% were from the College of Business. Thus;

P(B) = 0.4

Among the business students, 50% received job offers. Thus;

P(J|B) = 0.5

Thus;

P(J & Not B) = 0.25 - (0.4 × 0.5)

P(J & Not B) = 0.25 - 0.2

P(J & Not B) = 0.05

Since P(B) = 0.4

Then, P(Not B) = 1 - 0.4 = 0.6

Thus;

P(J|Not B) = 0.05/0.6

P(J|Not B) = 0.0833 = 8.33%

D) This probability is represented by;

P(B | J) = P(B & J)/P(J)

P(B & J) = (P(B) × P(J | B)) = (0.4 × 0.5) = 0.2

P(B | J) = 0.2/0.25

P(B | J) = 0.8 = 80%

5 0
2 years ago
Use synthetic division to find the result when x^4-2x^2-4x-48 is divided by x-3
just olya [345]

Answer: it’s x^3+3x^2+7x+17+3/x-3

Sorry ab the handwriting lol

Step-by-step explanation:

7 0
2 years ago
A store offers four different brands of a product. It decides to eliminate the
Bumek [7]

Answer:

Brand D has the highest return rate so they should eliminate that one.

Step-by-step explanation:

brand A - .0481

brand B - .0307

Brand C - .0410

Brand D - .0788

3 0
3 years ago
Simplify (-4+6i) (2 - i) (3 +7i)
zlopas [31]

Answer:

−118+34i

Step-by-step explanation:

4 0
2 years ago
There is one fifth of a sandwich to share equally between 2 people. How much of the sandwich will each person get? Use the numbe
babunello [35]

Answer:

one tenth of a sandwich

Step-by-step explanation:

4 0
2 years ago
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