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artcher [175]
1 year ago
11

What equation is graphed in this figure?

Mathematics
1 answer:
Ksivusya [100]1 year ago
7 0

to get the equation of any straight line, we simply need two points off of it, let's use those two points in the picture below.

(\stackrel{x_1}{0}~,~\stackrel{y_1}{2})\qquad (\stackrel{x_2}{1}~,~\stackrel{y_2}{5}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{5}-\stackrel{y1}{2}}}{\underset{run} {\underset{x_2}{1}-\underset{x_1}{0}}}\implies \cfrac{3}{1}\implies 3 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_2=m(x-x_2) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_2}{5}=\stackrel{m}{3}(x-\stackrel{x_2}{1})

keeping in mind that for the point-slope form, either point will do, in this case we used the second one, but the first one would have worked just the same.

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Which is the graph of linear inequality 6x+2y>-10
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3 years ago
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2 years ago
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A researcher wants to test whether a certain sound will make rats do worse on learning tasks. It is known that an ordinary rat c
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Answer:

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Step-by-step explanation:

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3)The test statistics used is

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5) So we reject the null hypothesis and accept the alternate hypothesis that rats learn slower with sound.

First we set the criteria for determining the true of value of the variable. That whether the rats learn in less or more than 18 trials.

Then we find the value of z for the given significance value given and the test about to be checked.

Then the test statistic is determined and calculated.

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The figure shows that the calulated z value lies outside the given z values

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2 years ago
A scientist uses a submarine to study ocean life.
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Answer:

31.3 feet

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