a technician charges 25$ per hour plus 50$ for a house call to repair home computers. make a table and a graph to show the cost for 1,2,3, and 4 hours of home computer repair service. is there a direct variation?

Answers

Answer 1
Answer:

Answer:

75$

Step-by-step explanation:

because 25+50=75

Answer 2
Answer:

Answer:

The graph starts at $75 since the price for call is $50 and 1 hour of work costs $25.

Direct variation is only noticeable at the beginning of the graph after that the function is linear.

Step-by-step explanation:


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There are 9 applicants for 3 jobs: software engineer, computer programmer, and systems manager. Which statement best describes this situation?A. There are 9P3 = 504 ways the positions can be filled because the order in which the applicants are chosen doesn’t matter.B. There are 9C3 = 84 ways the positions can be filled because the order in which the applicants are chosen doesn’t matter.C. There are 9P3 = 504 ways the positions can be filled because the order in which the applicants are chosen matters.D. There are 9C3 = 84 ways the positions can be filled because the order in which the applicants are chosen matters.
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You and a friend both leave the same restaurant to drive home. You are heading directly west at 30 miles per hour and he or she is heading directly south at 40 miles per hour. After half an hour, how fast (in mph) is the distance between you changing? Do not include units in your answer.

Find the standard form of the equation
(-7,-13) and (7,-11)

Answers

Answer:

x-7y=84

x-7y-84=0

Step-by-step explanation:

y=mx+c

y=ax+b

ax+by=c or ax+by-c=0

m= 1/7

y=1/7x-12

x-7y=84

x-7y-84=0

Which statement is true about the ordered pair (5 , 2)? A. To plot the ordered pair (5 , 2), travel two units to the right on the x-axis and five units up on the y-axis, from the origin. B. To plot the ordered pair (5 , 2), travel five units to the right on the x-axis and two units up on the y-axis, from the origin. C. To plot the ordered pair (5 , 2), travel five units to the right on the y-axis and two units up on the x-axis, from the origin. D. To plot the ordered pair (5 , 2), travel two units to the right on the y-axis and two units up on the x-axis, from the origin.

Answers

Answer:

b

Step-by-step explanation:

you can tell because it cant be D or C because you cant go right on the y axis and up on the x axis. it cant be A because 5 is the x and 2 is the y. A says that 5 is the y and 2 is the x. so it has to be B.

Answer:

B

Step-by-step explanation:

At a computer store, a customer is considering 9 different computers,10 different monitors,8 different printers and 2different scanners. Assuming that each of the components is compatible with one another and that one of each is to be selected. Determine the number of different computer systems possible.

Answers

Answer:

The number of different computer systems possible is 1440.

Step-by-step explanation:

For each computer, there are 10 options of monitor.

For each monitor, there are 8 printers.

For each printer, there are 2 scanners.

There are 9 computers.

Determine the number of different computer systems possible.

9*10*8*2 = 1440

The number of different computer systems possible is 1440.

Please answer asap.........

Answers

Answer:

1.4 i would wait for someone else to answer it I'm not sure

Step-by-step explanation:

Find the GCF of the set of numbers 12 30

Answers

Answer:

D. 6

Step-by-step explanation:

GCF means greatest common factor, so if you test out all of the answers, the factors you come up with is 2 and 6. Since 6 is larger, that is your answer.

Answer: the answer is 6

Step-by-step explanation:

Help pls with answer!!!Rewrite the function in the given form.

Answers

Answer:

g(x) = (-2)/(x-1)+5\n\n

The graph is shown below.

=========================================================

Explanation:

Notice that if we multiplied the denominator (x-1) by 5, then we get 5(x-1) = 5x-5.

This is close to 5x-7, except we're off by 2 units.

In other words,

5x-7 = (5x-5)-2

since -7 = -5-2

Based on that, we can then say,

g(x) = (5x-7)/(x-1)\n\ng(x) = (5x-5-2)/(x-1)\n\ng(x) = ((5x-5)-2)/(x-1)\n\ng(x) = (5(x-1)-2)/(x-1)\n\ng(x) = (5(x-1))/(x-1)+(-2)/(x-1)\n\ng(x) = 5+(-2)/(x-1)\n\ng(x) = (-2)/(x-1)+5

This answer can be reached through alternative methods of polynomial long division or synthetic division (two related yet slightly different methods).

-------------------------

Compare the equation g(x) = (-2)/(x-1)+5\n\n to the form g(x) = (a)/(x-h)+k\n\n

We can see that

  • a = -2
  • h = 1
  • k = 5

The vertical asymptote is x = 1, which is directly from the h = 1 value. If we tried plugging x = 1 into g(x), then we'll get a division by zero error. So this is why the vertical asymptote is located here.

The horizontal asymptote is y = 5, which is directly tied to the k = 5 value. As x gets infinitely large, then y = g(x) slowly approaches y = 5. We never actually arrive to this exact y value. Try plugging in g(x) = 5 and solving for x. You'll find that no solution for x exists.

The point (h,k) is the intersection of the horizontal and vertical asymptote. It's effectively the "center" of the hyperbola, so to speak.

The graph is shown below. Some points of interest on the hyperbola are

  • (-1,6)
  • (0,7) .... y intercept
  • (1.4, 0) .... x intercept
  • (2, 3)
  • (3, 4)

Another thing to notice is that this function is always increasing. This means as we move from left to right, the function curve goes uphill.