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4 years ago

6

The dot plot below shows how many apple slices each girl at kaylas party ate which of the following represents the mean of the a

mount of apple slices eaten?

1 answer:

katovenus [111]4 years ago

8 0

The answer to this question is 5.

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Write an equation of the line that passes through (18, 2) and is parallel to the line 3y−x=−12

miskamm [114]

keeping in mind that parallel lines have the same exact slope, hmmmm what's the slope of the line above anyway?

$\bf 3y-x=-12\implies 3y=x-12\implies y=\cfrac{x-12}{3}\implies y = \cfrac{x}{3}-\cfrac{12}{3} \\\\\\ y = \stackrel{\stackrel{m}{\downarrow }}{\cfrac{1}{3}}x-4\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}$

so we're really looking for the equation of a line whose slope is 1/3 and runs through (18,2)

$\bf (\stackrel{x_1}{18}~,~\stackrel{y_1}{2})~\hspace{10em} \stackrel{slope}{m}\implies \cfrac{1}{3} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{2}=\stackrel{m}{\cfrac{1}{3}}(x-\stackrel{x_1}{18}) \\\\\\ y-2=\cfrac{1}{3}x-6\implies y=\cfrac{1}{3}x-4$

3 0

3 years ago

Of the 15 year olds at karate school 8 have black belts in 20 had Brown belts among 16 year olds 10 have black belts in 17 have

RSB [31]

Answer:

16 year olds had the higher ratio of black belts to brown belts.

Step-by-step explanation:

15 year olds: 8/28 students had black belts

8/28 = 28.6% had black belts

16 year olds: 10/27 students had bald belts

10/27 = 37.0% had black belts

5 0

3 years ago

What is the measure of angle x?

Zigmanuir [339]

I need the picture in order to see what angle x is :)

8 0

3 years ago

Read 2 more answers

Sasha performs an experiment. She chooses one marble from each of three sacks. The first sack has black (B) and white (W) marble

Paladinen [302]

Answer:

Option D is correct

Step-by-step explanation:

From the question, we have:

$Sack\ 1: B, W$

$Sack\ 2: G, Y$

$Sack\ 3: S, R$

Required

The tree diagram

The selection process is as follows:

$Sack\ 1: B, W$

$Sack\ 1\ and\ Sack\ 2: B (G,Y); W(G,Y)$ -- i.e. we write sack 2 as a subset of 1

$Sack\ 1, 2\ and\ 3: B (G(S,R),Y(S,R)); W(G(S,R),Y(S,R))$ -- i.e. we write sack 3 as a subset of 2

<em>The only tree diagram that illustrates this is: option D</em>

5 0

3 years ago

What is the factorization of 2x^2+9x+9

iogann1982 [59]

Answer:

(2x+3)*(x+3)

Step-by-step explanation:

6 0

3 years ago