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Assuming that AD is the distance from A to D and CD is the distance from C to D, you'll need to tell me something about the position of B.

Do you mean the "mean-value theorem"?

 10+9=19

To increase something by 10%, you can multiply by 1.10 (The 1 give you back the original amount, the .10 give the extra 10%).

To increase something by 12%, you can multiply by 1.12 (The 1 give you back the original amoun,t the .12 give the extra 12%).

To decrease something by 4%, you can multiply by 0.96 (0.96 = 1.00 - 0.04; the 1 gives you back the original amount, the -0.04 decreases that amount by 4%).

Let's say that the original amount was $100.00.

After a 10% increase:  $100.00 x 1.10  =  $110.00.

Starting with $110.00, after a 12% increase:  $110.00 x 1.12  =  $123.20.

After a 4% decrease:  $123.20 x 0.96  =  $118.272.

I don't understand the phrase "percentage of variation in prices in those three years"; could it mean that they are looking for the final percent of variation after three years? If so, it would be 18.272%. (And that's why I started with $100.00.)

Need to translate 8 into a fraction that has 7ths:  8  =  7 + 1  =  7 + 7/7

7 + 7/7 - 6/7  =  7 + 1/7  =  7 1/7

You can use the on-line calculator at this site to find that answer.

Would you like to know how to find the answer without using a calculator?

1)  Find the amount of change.

2)  Divide by the original amount.

3)  Multiply that answer by 100.

Example: What is the percent of change of something that started at 324 and ended at 402?

1)  Amount of change:  402 - 324  =  78

2)  Divide that answer by the original number:  78 / 324  =  0.241 (approximately)

3)  Multiply that answer by 100:  0.241 x 100 = 24.1%

Thank you!

1.125

Sory have to type more stuff or it won't send.

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3.4008001x10^13

2204137931034482758.6206896551724138

For point-slope form, we have

y - y1  = m(x - x1)       where m is the slope and (x1, y1) the given point

y - (-6) = (-3/4) (x - 2)   simplify

y + 6 = (-3/4)x + 3/2      subtract 6 from both sides

y = (-3/4)x + 3/2 - 6        (6 = 12/2)

y = (-3/4)x + 3/2 - 12/2

y = (-3/4)x - 9/2

Yea I did it in my head used calculator to make sure but just checking if I was right again. Thank you.

Tiddle, you r right..

also if you are hand dividing w/ long division, you would have a remainder of 5. :)

i leave in a lil bit. so will be back around 7pm

sorry. i had to get ready 2 go 2 to YMCA. I have swim team practice from 4-6pm CT.

0.714 I believe.  Having a lot of brain farts today you may not want to take my word for it tho.

Yea me to. Hahaha.

I'm in school. Lol cx

Chat ended so soon. LOL!

Haha  I know.

30.8 I think. Anybody was I right or wrong?

Hey, this is what we do

Nah it's okay. Anyway what's up?