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3 years ago

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Number:1,2,3,4,5,6 Frequency:4,6,x+5,x,2x,5 What is x and find the mean?

1 answer:

Paraphin [41]3 years ago

4 0

Warning! Off topic question!

Step-by-step explanation:

I'm really sorry cuz this question has nothing to do with ur previous question. I just wanted to ask do u speak native German or fluent German cuz I have a very important test tomorrow and I'll really appreciate any help I can get. Sorry once again

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Find the equation of a line perpendicular to y - 12 = 2x – 8 that passes through the point (2, 3). (answer in slope-intercept fo

Alla [95]

Answer:

$\displaystyle y=-\frac{1}{2}x+4$

Step-by-step explanation:

<u>Equation of a Line</u>

We can find the equation of a line by using two sets of data. It can be a pair of ordered pairs, or the slope and a point, or the slope and the y-intercept, or many other combinations of appropriate data.

We are given a line

$y - 12 = 2x -8$

And are required to find a line perpendicular to that line. Let's find the slope of the given line. Solving for y

$y = 2x +4$

The coefficient of the x is the slope

$m=2$

The slope of the perpendicular line is the negative reciprocal of m, thus

$\displaystyle m'=-\frac{1}{2}$

We know the second line passes through (2,3). That is enough information to find the second equation:

$y-y_o=m'(x-x_o)$

$\displaystyle y-3=-\frac{1}{2}(x-2)$

Operating

$\displaystyle y=-\frac{1}{2}(x-2)+3$

Simplifying

$\displaystyle y=-\frac{1}{2}x+4$

That is the equation in slope-intercept form. Intercept: y=4

8 0

2 years ago

Dominic spent 2 3/4 hours on his art project. Rachel worked 1 1/3 times as long on her art project as Dominic worked. For how ma

12345 [234]

Answer:

Step-by-step explanation:

Rachel worked for 3 2/3 hours.

Multiply the fractions to get the answer.

2 3/4 x 1 1 /3 is 3 2/3.

Hope it helps you :D

5 0

3 years ago

Karen karlin bought some large frames for $15 each and some small frames for $8 each at a closeout sale. if she bought 22 frames

BaLLatris [955]

small frames ($8): s

large frames ($15): L

Cost: 8s + 15L = 239 ⇒ 1(8s + 15L = 239) ⇒ 8s + 15L = 239

Quantity: s + L = 22 ⇒ -8( s + L = 22) ⇒ <u> -8s -8 L = -176 </u>

7L = 63

L = 9

Quantity: s + L = 22 ⇒ s + (9) = 22 ⇒ s = 13

Answer: 13 small frames, 9 Large frames

7 0

3 years ago

Read 2 more answers

Select the equation written in point-slope form.

slavikrds [6]

Poin slope form is
y-y1=m(x-1)
the answer is A

4 0

3 years ago

Dan was thinking of a number. Dan adds 10 to it, then doubles it and gets an answer of 56.6. What was the original number

evablogger [386]

Answer:

23.3 is the answer to this question

3 0

2 years ago