3 years ago

Question In the LINK!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

dimaraw [331]3 years ago

8 0

Answer:

The mean of the scores is by adding up all those numbers then dividing by how many there are.

So the answer is 146.6, but if you take away 3 it will be 143.6 then taking away the decimals it'll just be 143, it might be 143 but I might be incorrect.

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The scale on a map is 1/4 inch equals 3/4 mile. How long is one mile on the map?

frozen [14]

Answer:it would be 1/16+1/4=1 mile

Step-by-step explanation:

3 0

3 years ago

How do you find the equation for the line that is parallel to the line y=2/3x-7 and passes through the point (3,-1)

Debora [2.8K]

parallel lines have the same exact slope hmmm what's the slope of y = 2/3x-7 anyway? well, low and behold, is already in slope-intercept form, therefore

$\bf \stackrel{\textit{slope-intercept form}}{y=\stackrel{slope}{\cfrac{2}{3}}x-7}$ .

so we're really looking for the equation of a line whose slope is 2/3, and runs through 3, -1.

$\bf (\stackrel{x_1}{3}~,~\stackrel{y_1}{-1})~\hspace{7em} slope = m\implies \cfrac{2}{3} \\\\\\ \stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-(-1)=\cfrac{2}{3}(x-3) \\\\\\ y+1=\cfrac{2}{3}x-2\implies y=\cfrac{2}{3}x-3$