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katen-ka-za [31]
4 years ago
11

Show all work to solve the equation for x. If a solution is extraneous, be sure to identify it in your final answer.

Mathematics
2 answers:
Nesterboy [21]4 years ago
7 0

Answer:

x+3

Step-by-step explanation:

zimovet [89]4 years ago
3 0

Answer:

x = 3

Step-by-step explanation:

This is hard to explain so i'll show you the work

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$42 per person

Step-by-step explanation:

I just did it and got it right.

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Model the pair of situations with exponential functions f and g. Find the approximate value of x that makes f(x)= g(x).
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Y= negative 2X -7 how do I solve this equation algebraically
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4 years ago
A biologist is studying the elk population in a county park. She starts with only 2 elk and observes that the number of elk trip
DochEvi [55]

Answer:

The expression that represents the population of elk is: \text{elk}(t) = 2*3^t. It'll take 6 years for the population to reach 1,458 individuals.

Step-by-step explanation:

Since the number of elks triples every year and starts at \text{elk}(0) = 2, then after the first year the population will be:

\text{elk}(1) = \text{elk}(0)*3 = 2*3

While on the second year, it'll be:

\text{elk}(2) = \text{elk}(1)*3 = 2*3*3 = 2*3^2

On the third year:

\text{elk}(3) = \text{elk}(2)*3 = 2*3^2*3 = 2*3^3

And so on, therefore the expression that describes the population of elk as the years passes is:

\text{elk}(t) = 2*3^t

If we want to know the number of years until the population reach 1,458 elk, we need to apply this value to the left side of the equation and solve for t.

1458 = 2*3^t\\3^t = \frac{1458}{2}\\3^t = 729\\ln(3^t) = ln(729)\\t*ln(3) = ln(729)\\t = \frac{ln(729)}{ln(3)} = 6

The population will reach 1,458 elk in 6 years.

8 0
3 years ago
PLEASE HELP WITH ALL!!!
Ad libitum [116K]

Answer:

3)x=-9

4)x=-2

5)x=-4

6)x=-5

7)x=-12

8)x=-11

Step-by-step explanation:

7 0
3 years ago
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