The population of a city is expected to decrease by 6% next year. If x represents the current population, write an expression th
at represents the expected population next year.
1 answer:
Given:
Current population = x
The population of a city is expected to decrease by 6% next year.
To find:
The expression that represents the expected population next year.
Solution:
We have,
Current population = x
Decrease rate = 6%.
Expected population next year = Current population - 6% of Current population
=
=
=
Therefore, the expression for the expected population next year is 0.94x.
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Answer:
(1) 13.0 years
(2) {-1728, 1728}
Step-by-step explanation:
(1)
Compound annually:
= A
(47000) = 79200
=
ln() = ln()
ln and e cancel out.
(0.04)(t) = ln()
t =
t = 13.0 years
(2)
Substitute y with -4x.
Solve for x.
x = {-3, 3}
Plug in x values into any equation to find y.
y = -4(-3) and y = -4(3)
y = {-12, 12}
= = -1728
= = 1728
Answer:
1) -6 + 5 = -1
2) 5 - 6 = -1
3) -11 + 10 = -1
4) -1 + 0 = -1
5) 0 - 1 = -1
Step-by-step explanation: Hope this helps :)
Y=94 (B) because of angle rules
Here is your answer for the question.