The revenue each season from tickets at the theme park is represented by t(c)=5x. The cost to pay the employees each season is r
epresented by r(x)=(1.5)^x. Examine the graph of the combined function for total profit and estimate the profit after four seasons
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The weight in 1980 is kilograms
<em><u>Solution:</u></em>
From 1980 to 1990, Lior’s weight increased by 25%
His weight is "k" kilograms in 1990
<em><u>To find: weight in 1980</u></em>
This is a percentage increase problem
Let "x" be the weight in kilograms in 1980
<em><u>The percentage increase is given by formula:</u></em>
Here,
Initial value in 1980 = x
Final value in 1990 = k
Percentage increase = 25 %
<em><u>Substituting the values in formula,</u></em>
Thus the weight in kilograms in 1980 is
Answer:
The value is
Step-by-step explanation:
From the question we are told that
The sample size is n = 20
The sample mean is
The standard deviation is
Generally the standard error of the mean is mathematically represented as
=>
=>