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lisabon 2012 [21]
3 years ago
10

Which of the following equations best represents the regression line for the data given in the table below?

Mathematics
1 answer:
jarptica [38.1K]3 years ago
6 0
I believe it’s b correct answer
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Which are the coordinates of the transformed point?
marysya [2.9K]

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If r(x) = 2x^2 – 5x + 1, find r(x + 2)
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1 Expand by distributing terms.

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Mr. and Mrs. Dorsey and their three children are flying to Springfield. The cost of each ticket is $179. Estimate how much the t
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Find the inverse of the function and then determine whether the inverse is a function.
klemol [59]

as you already know, we start off by doing a quick switcheroo on the variables, and then we solve for y to get the inverse,


\bf y=x^2+4\implies \stackrel{switcheroo}{x = y^2+4}\implies x-4=y^2\implies \pm\sqrt{x-4}=\stackrel{f^{-1}(x)}{y}


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7 0
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Find the percent of change: 100 acres to 140 acres
nydimaria [60]

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Step-by-step explanation: First determine whether the number increases or decreases. Since the number changes from 100 to 140 it's getting bigger, so it increases.

To find the percent increase, we use the following formula.

The amount of change is the difference between the two numbers which is 40 and we get this by subtracting 100 from 140. The original number will be the number that we started with which is 100.

140/100 simplifies to 0<em>.</em>4.

Finally, we want the percent increase so we write 0<em>.</em>4 as a percent by moving the decimal point 2 places to the right to get 40%.

Therefore, the percent increase is 40%.

6 0
3 years ago
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