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Vera_Pavlovna [14]
3 years ago
10

Given f(x) =7x-4, find the average rate of change over from x=2 to x=4.

Mathematics
1 answer:
yuradex [85]3 years ago
6 0

Answer:

m = (f(4) - f(2)) / (4 - 2)

m = (24 - 10) / (4 - 2)

m = 14 / 2

m = 7

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the number of subscriptions to an interior design magazine was 16,450 in 1996. Since then, the number of subscriptions has incre
babunello [35]

Answer:

49,744.8 so round up to 49,745

Step-by-step explanation:

4 0
3 years ago
The height of a triangle is 7 cm longer than its base.
katrin [286]
A) Height -7 = base
B) .5 * height * base = 60
Substituting A into B
B) .5 * height * (height -7) = 60
B)  .5*height^2  -3.5*height = 60
B)  .5*height^2 -3.5*height -60 = 0
Using the quadratic formula:
Height = 15
Subtracting 7 gives us the base length
Base = 8
**************************************************************
Double-Check
.5 * 15 * 8 = 60


6 0
3 years ago
(7.8×10^7) + (9.9×10^7)
Hatshy [7]
(7.8×10⁷)+(9.9×10⁷)
(7.8×10000000)+(9.9×10000000)
(78000000)+(99000000)
177000000
8 0
2 years ago
Plz help!! A jar contained 6 red marbles, 10 green marbles, and 8 blue marbles. A marble was selected at random, the color was r
Inessa [10]

Answer:

To calculate the relative frequency, first we need to know what exactly is and how to calculate it.

Relative frequency is the ratio between the absolute frequency (how many repetitions have a specific outcome) and the total outcomes. Also, this type of frequency is used to show the representation that some data have over the whole distribution.

So, in this case, we need to just divide 13, which belongs to red marble's results, to 60 which is the total outcomes, as it's presented:

         13redmarble                                                                                                                       Fr = -------------------------

       60 totalmarbles  

Normally, relative frequency is shown as a percentage multiplying this result by 100. Therefore, 22% is the approximate percentage of the relative frequency, which means that 22% is the representation of red marbles outcomes of the whole distribution, or we can say it as a probability: there's 22% of chances when someone extract a marble, it will be red.

3 0
2 years ago
Which of the tables represents a function?
Vanyuwa [196]
The answer is table D as it is the only one without a repeated input ❤️ hope that helps
7 0
3 years ago
Read 2 more answers
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