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Here are some examples explaining this proceedure :

http://mathforum.org/library/drmath/view/52803.html

24 stools x (7/8)lb/ stool =   24*7/ 8   = [24/8] *7  = 3 * 7   - 21 lbs.

c=-2

3.14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706798214808651328230664709384460955058223172535940812848111745028410270193852110555964462294895493038196442881097566593344612847564823378678316527120190914564856692346034861045432664821339360726024914127372458700660631558817488152092096282925409171536436789259036001133053054882046652138414695194151160943305727036575959195309218...

evaluate:-4/7*7 =-4

an upholsterer wants to reupholster 24 bar stools. If each bar stool needs 7/8 pound of brass tracks, how many pounds of brass tracks are needed together?

24 X 7/8=21 pounds of brass tracks will be needed.

.05^557=2.11978793^-725. Did somebody actually give you this or did you make it up? Do you know how SMALL this number is?

If the interest of 7.5% is compounded monthly, then the monthly payment=1,068.40

Let  x  represent one number.

The other number is  2x.

The sum of their reciprocals is 1/4:  1/x  +  1/(2x)  =  1/4.

The lowest common denominator is 4x; multiply both sides of the equation by 4x:

      4(1/x)  +  4(1/(2x))  =  4(1/4)

          4      +       2       =    x

Thus, x =  6  and 2x  =  12.

The two numbers are  6  and  12

He must invest today 7,774.54 to have 9,000 pounds in 3 years @ 5% interest.

An example would be VERY helpful.

How do I input this: (1.0 x 10^-14)/ (2.0 x 10^-3)=5 × 10^-12

it is 3.241 * 10 to the 9th power

C = .59P      where C is the total cost for P pounds

14 pounds cost      .59(14) = $8.26

10 = .59P       divide both sides by .59

 ≈ 16.9     [ you could buy a turkey that weighs approx. 16.9 lbs. ]

If you are old enough to SWEAR, you should be old enough to understand what scientific notation is!!!

OK, Smart Aleck?!!

A triangle with an area of 10 square meters has a base of 4 meters. A similar triangle has an area of 90 square meters. What is the height of the larger triangle?

10 = (1/2)4h  →   20 = 4h     →  h = 5

So.....the base of the first triange is 4m and the height is 5m

Note that the  area of our new triangle is 9 times the area of the old....then.....each dimension will be sqrt(9)  = 3 times   as much as the old......so....

The base of the new triangle will be 4*3  = 12m

And the height will be  5 * 3  = 15m

Proof

A = (1/2)(12)(15)  = (1/2) * 180  = 90 m^2

WHAT ARE THOOOOOOSSE?!?!

WHAT ARE THOOOOOOSSE?!?!

A tree casts a certain time of day a shadow of 37,5m. If the distance from the tree to the top of the shadow cast is 62,5m, what is the height of the tree?

I assume that you mean that  the distance from the top of the tree to the "top" of the shadow is 62.5m....if so.....we have.....

Supongo que quieres decir que la distancia desde la parte superior del árbol en el "top" de la sombra es 62.5m .... si es así ..... tenemos .

sqrt(62.5^2 - 37.5^2) = sqrt(2500) = 50m

a potato

5 idiot

sqrt(10^2 - 6^2)   = sqrt(100 - 36) =  sqrt(64)  = 8m

3.14

0.51 rounded to the nearest tenth