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densk [106]
3 years ago
13

How do I do this help idk what to do

Mathematics
1 answer:
Julli [10]3 years ago
4 0
9: 0.8
10: 16.8
11: 0.6
12:  2.
13: 0.4
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Which of the following equations is modeled by the graph?
sukhopar [10]
The answer is A; a=50t cause if you were to put 0, you would get 0 which is the first point, if you put in 1 you get 50, if you put in 2 you get 100 and so on.
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I Need Help With This One
Arisa [49]

Answer:

x = -6  x= -3

Step-by-step explanation:

f(x) = x^2+9x+18

Set equal to 0 to find the zeros

0 = x^2+9x+18

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0= (x+6) (x+3)

Using the zero product property

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3 years ago
The population of a county is growing at a rate of 9% per year, compounded continuously. How many years will it take for the pop
torisob [31]

Answer:

t=15.4\ years

Step-by-step explanation:

The  exponential growth function compounded continuously is equal to

A=P(e)^{rt}  

where  

A is the final population  

P is the initial population  

r is the rate of growth in decimal  

t is Number of years

e is the mathematical constant number

we have  

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simplify

4=(e)^{0.09t}

Take natural log of both sides

ln(4)=ln[(e)^{0.09t}]

ln(4)=0.09t(ln(e))

ln(e)=1

ln(4)=0.09t

t=ln(4)/0.09

t=15.4\ years

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Help. - Math - ^ Photo ^
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Is you do the answer first 725 times 493 it would equal 357,425
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