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I'm going to ignore the % since that amount of percent for a number that large is kinda out of the league of a calculator. So instead I'll be substituing it with a multiplication sign.

3534534535345345345555555555555*65654564444444444444444444+5645645= 

232058325431945476023143934231528423113179846419758732065 OR 2.3205832543194548e56

So for these kind of problems you need to take the functions and multiply them together. Since f(x) is -3x^3+4 and g(x) is -8x^2+2x you'll be multiplying like so:

(-3x^3 + 4)(-8x^2+2x)

You should be able to go on from here. Tell what you got and I can check it.

can you explain how you got that?

when t = 21.688      x = 0

 5-5-2-6+4= -4

28.8

lol 19

Thank you CPhill i was stuck on this for a while and i like your profile pic :)

Line 1 -18 – 6x = 6(1+3x)

Line 2 -18 – 6x = 6 + 18x  [add 6x to both sides]

Line 3 -18 = 6 + 12x  [here is where the error is. When you add 6x to the right hand side, it should be

Line 4 -24 = 12x         18x + 6x=24x NOT 12x that you have]

Line 5 -2 = x               [So, line 3 and 4 should have 24x on the right hand side]

Line 4  -24=24x divide both sides by 24

Line 5  x= -1

4x^2 – 24x + 36

 it should be

18-6x=6 (1+3×)

18-6x=6+18x

12-6×=18×

12=24×

×=.5

If you look at it and solve it on your own its easy to figure out an awnser 

The error occurs between lines 2 and 3

Line 2 -18 – 6x = 6 + 18x

Line 3 -18 = 6 + 12x

The person added 6x to the left side but subtracted it from the right side

The correct move is to add 6x to both sides so that Line 3 becomes

-18 = 6 + 24x

Subtract 6 from both sides

-24  = 24x     divide both sides by 24

-1   = x

You people don't need computers, machines, cartography, science, buildings, calenders or any of those things than, I assume.  Math is pretty much the world to us, without it we we wouldn't be a civilisation! Your comment has no logic.

6000/5000=1.20 - 1=.20 x100 =20% simple interest for 6 months or 1/2 a year.

Or 20% x 2 =40% annual interest rate compounded semi-annually.

Obviously, the principal is $5,000 and $1,000 is the interest for the 6-month period.

If the diameter is 18 inches

the CIRCUMFERENCE is 56.54 inches.... NOT 50.3 cm

10000 miles x 5280 feet/mile x 12 in/foot  / 56.54 in =11204508 rotations

If the diameter is 18 inches, then the circumference  = 18pi   inches

So....in 10,000 mi, we will travel

10000* 5280* 12 =   633,600,000 inches

So the number of rotations will be  

[total inches traveled ] /  [ inches in one rotation] =

633,600,000/ [18pi]   = about   1.12045 x 10^7  rotations = about 11,204,500  rotations

5x+20=3x+4     subtract 3x, 20 from both sides

2x  =  -16         divide both sides by 2

x = -8

that dosent help that much sorry

125.166271

125.166271

Cost per pound   = price / quantity =  ( $12 / 10 lbs)  =  $1.2  per pound  = $1.20 per pound

10000$

It is a rational number if it ends (does not keep on going forever). In this case, if the number ends at "9", then it is rational.

Yep......it can be rationalized to

25 + 49514267/ 373013475  = 

[ 9374851142] / [373013475 ]