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Genrish500 [490]
3 years ago
8

Can someone pls help

Mathematics
2 answers:
m_a_m_a [10]3 years ago
6 0

Answer:

C. 15+n

Step-by-step explanation:

Sum- the answer to an addition problem.

so It would be a addition problem

k0ka [10]3 years ago
5 0

Answer:

C) 15 + n

Step-by-step explanation:

Sum means addition, so we are trying to find the sum of 15 and a number.

15n would be 15 multiplied by a number

15-n would be 15 minus a number

15/n would be 15 divided by a number

which leaves us with c.

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lara31 [8.8K]

Answer:

f(x)=4/2x  

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5 0
3 years ago
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vitfil [10]

Answer:

Step-by-step explanation:

This is exponential growth which has the form

c=ar^n,\text{ where c=cases, a=initial value, r=common ratio, n=days}\\ \\ c=1000(1.2^n)\\ \\ \text{The sequence for days 2 through 6 is}\\ \\ (2, 1440),(3, 1728),(4, 2073.6),(5, 2488.32),(6, 2985.984)\\ \\ \text{Since these are people we should round to nearest whole person.}\\ \\ (2,1440),(3,1728),(4,2074),(5,2488),(6,2986)

3 0
3 years ago
PLEASE HELP MEEEEEEE!!!!!
umka2103 [35]

Answer:

C  7ft/yr

Step-by-step explanation:

The given points are not all on the same line, so the average will vary depending on the interval of interest.

Over the interval [1, 11] years, the average rate of change of height is ...

  change in height / change in years = (80 -10)/(11 -1) = 70/10 = 7 . . . ft/yr

__

On the interval [11, 15] years, the average rate of change is ...

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Even on this interval, the closest answer choice is C.

8 0
3 years ago
1. According to the Center for Disease Control and Prevention, the breast cancer rate for women has decreased at 0.9% per year b
jeka94

Answer:

a. 199,389

b. b. From the part A, the question suggests a 0.9% yearly decrease which amounts to 199,389. This answer does not correspond to their recorded figure because the 0.9% decrease was just an average taken over the period. There could be years that the decrease was way smaller than the recorded average, thus using average may not be a good way for calculating population decrease over a period of time.

Step-by-step explanation:

a. Population in 2009 = 192,370

This means that in 2005 the population = 192,370 x 1.009 x 1.009 x 1.009 x 1.009 = 199,389

b. From the part A, the question suggests a 0.9% yearly decrease which amounts to 199,389. This answer does not correspond to their recorded figure because the 0.9% decrease was just an average taken over the period. There could be years that the decrease was way smaller than the recorded average, thus using average may not be a good way for calculating population decrease over a period of time.

5 0
3 years ago
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