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2 years ago

PLEASE HELP FAST 20 POINTS! I need A. And B.

Mathematics

1 answer:

Nataly_w [17]2 years ago

8 0

Answer:

Diamater is independent because it will always be the constant so it will keep going up by 2

Cost is dependent because it relies on the diamater

Step-by-step explanation:

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Write the equation of the line that passes through the point (-5,5) and has a slope of -8/5

Free_Kalibri [48]

Answer:

The equation of the line that passes through the point (-5,5) and has a slope of -8/5 will be:

$y=-\frac{8}{5}x-3$

Step-by-step explanation:

Given

$\left(x_1,\:y_1\right)=\left(-5,5\right)$

$m=\frac{-8}{5}$

Point-Slope Form equation is

$\left(y-y_1\right)=m\left(x-x_1\right)$

$\left(y-5\right)=\frac{-8}{5}\left(x-\left(-5\right)\right)$

$\mathrm{Apply\:rule}\:-\left(-a\right)=a$

$y-5=\frac{-8}{5}\left(x+5\right)$

$\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{-a}{b}=-\frac{a}{b}$

$y-5=-\frac{8}{5}\left(x+5\right)$

$y-5+5=-\frac{8}{5}\left(x+5\right)+5$

$y=-\frac{8}{5}x-3$

Therefore, the equation of the line that passes through the point (-5,5) and has a slope of -8/5 will be:

$y=-\frac{8}{5}x-3$

5 0

3 years ago

in the final event of a track meet, 6 runners run a 100 meter dash. A) How many possible arrangements are there for the medal wi

ohaa [14]

6 runners, 3 medals, how many ways to give them? well, runner say 2 could get gold or not, bronze or not and silver or not, and so can any other runnner, and the order "does matter", it makes a distinction, thus, is a Permutation

$\bf _nP_r=\cfrac{n!}{(n-r)!}\qquad \qquad _6P_3=\cfrac{6!}{(6-3)!}$

3 0

3 years ago

Read 2 more answers

12 divided by 479, make sure to show your work.<br><br><br> x+7=2x Please Solve

Dmitriy789 [7]

12/479
0.025

x+7=2x

Take x right

2x-x=7
x=7

7 0

2 years ago

7/6 * 16/6 in simplest form

Slav-nsk [51]

Answer:

3.83333333333

Step-by-step explanation:

6 0

2 years ago

Identify the type of sequence 1/10, 3/20, 5/30, 7/40...

Dafna11 [192]

Arithmetic sequence: must have a constant common difference.
3/20-1/10=(3-2)/20=1/20
5/30-3/20=(10-9)/60=1/60
Difference is not constant, so no.

Geometric sequence: must have a common ratio
30/20 / (1/10) = 15
5/30 / (3/20) = 100/90 = 10/9
ratio is not constant, so no.

The answer is (c) neither geometric nor arithmetic

4 0

3 years ago