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2 years ago

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In your own words, explain HOW to find the standard deviation of this data set. (20 points). What does the standard deviation te

ll you about this data? (20 points). Dr. Cwetna recorded all of the grades on a unit test on the chart below. plz somebody help I need this by today.

1 answer:

ipn [44]2 years ago

6 0

I need the choices please

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your job pays 8$ per hour Write a variable expression for your pay in dollars for working h hours. What is your pay if you work

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Answer:

$8h

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Step-by-step explanation:

I hope this helps :)

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2 years ago

if y is the midpoint of xz, y is located at (3,-1), and z is located at (11,-5), find the coordinates of x

svlad2 [7]

$\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ X(\stackrel{x_1}{x}~,~\stackrel{y_1}{y})\qquad Z(\stackrel{x_2}{11}~,~\stackrel{y_2}{-5}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{11+x}{2}~~,~~\cfrac{-5+y}{2} \right)=\stackrel{\stackrel{midpoint}{y}}{(3,-1)}\implies \begin{cases} \cfrac{11+x}{2}=3\\[1em] 11+x=6\\ \boxed{x=-5}\\ \cline{1-1} \cfrac{-5+y}{2}=-1\\[1em] -5+y=-2\\ \boxed{y=3} \end{cases}$

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3 years ago

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A street light is at the top of a 15 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 6 ft/sec along a s

kakasveta [241]

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Step-by-step explanation:

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2 years ago

Identify the slope of the line for the equation y = −9x − 7

Alex Ar [27]

Answer:

the slope is -9x

Step-by-step explanation:

whatever has x next to it is the slope

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She will receive $25.

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2 years ago

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