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nasty-shy [4]
3 years ago
12

Given f(x) = –5x + 1, what is f(–2)?

Mathematics
1 answer:
DiKsa [7]3 years ago
3 0
F(x) = -5x + 1

f(-2) = -5(-2) + 1
f(-2) = 10 + 1
f(-2) = 11

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Answer: f(-2) = 11 (Answer C)
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50 POINTS IF YOU HELP ME!!!!!! A study of college business majors included 150 sophomores and 200 juniors. The study showed that
nikdorinn [45]

Answer:

= 0.3478  

Step-by-step explanation:

Given:-

- The number of sophomore, S = 150

- The sophomore and had summer internship, x = 80

- The number of juniors, J = 200

- The junior and had summer internship, y = 150

Find:-

What is the probability that the person is a sophomore given that the person had a summer internship?

Solution:-

- The total sum of sophomore and junior students is N:

                        N = S + J

                        N = 150 + 200

                        N = 350 students.

- We will denote event A as random selection of sophomore from total.

- We will denote event B as random selection of student who had summer internship.

- We are to determine the conditional probability that a person selected is sophomore given that the person had a summer internship. That is the probability of event A given that event B has already occured.

- The conditional probability can be written as:

                       P ( A / B ) = P ( A & B ) / P ( B )

Where,

       P ( A & B ) : The probability the person is a sophomore and had a summer internship.

       P ( B ): The probability that the person selected had a summer internship.

                     P ( A & B ) = x / N

                                       = 80 / 350

                                       = 0.22857143

                    P ( B ) = ( x + y ) / N

                              = ( 80 + 150 ) / 350 = 230/350

                              = 0.65714286

Therefore the required probability is:

         

                    P ( A / B ) = 0.22857143 / 0.65714286

                                     = 0.3478  ... Answer

4 0
3 years ago
Read 2 more answers
frankie earned $43,720 last year. if social security tax is $6.20 tax per $100 earned, then how much social security did they pa
AnnZ [28]

Answer:

$2,710.64

Step-by-step explanation:

Divide 43,720 by 100 so you know how many groups of 200s you have. Because it's 6.20 for each 100.

437.2

Do 6.20 times 437.2 to get your answer.

$2,710.64

5 0
2 years ago
3. Describe the type of transformation used to produce​
earnstyle [38]

Answer:

Reflection over the x- axis

Step-by-step explanation:

6 0
2 years ago
An airplane takes 4 hours to travel a distance of 2600 miles with the wind. The return trip takes 5 hours against the wind. Find
tankabanditka [31]
2,600/4 =650
650•5 =3,250


I found the unit rate of the 2,600 by dividing the per hour and then times it by the 5 hours

Hopefully that was what you were looking for
3 0
3 years ago
If f(x) = 1 – X, which value is equivalent to f0]?
Illusion [34]

Answer:

1

Step-by-step explanation:

0=1-x

-1= -x

divide both sides by -1

x=1

8 0
3 years ago
Read 2 more answers
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