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spayn [35]
3 years ago
5

What would be a good estimation of the correlation coefficient for the data displayed in the scatterplot?

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
4 0
My guess would be C but im not 100 sure
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Plz help me plzzzzz asap
Varvara68 [4.7K]

Answer:

2 \frac{2}{9}

Step-by-step explanation:

First, we will turn 5 2/5 into an improper fraction:

5 * 5 = 25 + 2 = 27/5

So they worked for 27/5 days.

We want to divide the days worked by the distance to get the unit rate of distance per day:

\frac{12}{\frac{27}{5} } = \frac{12}{1} * \frac{5}{27}=\frac{60}{27}=\frac{20}{9}

So our answer is 2 \frac{2}{9}

      Hope this helps, have a great day! :D

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2 years ago
Find the slope given for (-2,-5) and (3,-2)
Whitepunk [10]

Answer:

The slope is 3/5

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Answer:

45 times 89

Step-by-step explanation:

The instuments are irrelevant and are only there to distract you.

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3 years ago
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If g (x) = 1/x^2 then g (x+h) - g (x)/h
nignag [31]

\bf g(x)=\cfrac{1}{x^2}~\hspace{5em}\cfrac{g(x+h)-g(x)}{h}\implies \cfrac{\frac{1}{(x+h)^2}-\frac{1}{x^2}}{h} \\\\\\ \textit{using the LCD of }(x+h)^2(x^2)\qquad \cfrac{\frac{x^2-(x+h)^2}{(x+h)^2(x^2)}}{h}\implies \cfrac{x^2-(x+h)^2}{h(x+h)^2(x^2)} \\\\\\ \cfrac{x^2-(x^2+2xh+h^2)}{h(x+h)^2(x^2)}\implies \cfrac{\underline{x^2-x^2}-2xh-h^2}{h(x+h)^2(x^2)}\implies \cfrac{-2xh-h^2}{h(x+h)^2(x^2)}


\bf \cfrac{\underline{h}(-2x-h)}{\underline{h}(x+h)^2(x^2)}\implies \cfrac{-2x-h}{(x+h)^2(x^2)}\implies \cfrac{-2x-h}{(x^2+2xh+h^2)(x^2)} \\\\[-0.35em] ~\dotfill\\\\ ~\hfill \cfrac{-2x-h}{x^4+2x^3h+x^2h^2}~\hfill

4 0
3 years ago
Mary brings 350 erasers to school. After she gives each of her 25 classmates and herself an equal number of erasers, she will gi
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Answer:

snsjkfnjkfnkjsefjksenfkjsenfsj

Step-by-step explanation:

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