Follow the steps to solve for the variable in this two-step equation:
2 answers:
The solution of the equation is x = 2
Step-by-step explanation:
The original equation is
We solve it using the following steps:
1) We apply the addition property of equality: by adding the same factor on both sides of the equation, the equation does not change.
In this case, we add +10 on both sides, and we get:
2) We apply the division property of equality: by dividing both sides of the equation by the same number (different from zero), the equation does not change.
In this case, we divide both sides of the equation by 5, and we get:
Therefore, the solution of the equation is .
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Option C: is the predicted population when
Explanation:
The regression equation for an exponential data is
Where x is the number of years and
y is the population
We need to determine the predicted population when
The population x can be determined by substituting in the equation
Thus, we have,
Using the logarithmic definition then
Rounding off to the nearest whole number, we get,
Thus, the predicted population when is 316
Hence, Option C is the correct answer.
Answer:
B) Parallel
Step-by-step explanation:
The lines have the same slope of . This makes the lines parallel.
Hope it helps!