All Questions

834

MATH

what 100MB divided by 56Kbps =

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Guest Oct 5, 2012

Oct 4, 2012

818

hallo ich kapier mathe generell nicht am meisten dreisatz bitte um erklärung

Guest Oct 4, 2012

791

help with math, 9 classes.

Mmmmm... i from Russia and i know english not very well but me need help in my math homework.
Okay here is. Need to reduce fractional expression with the formula k(x-x1)(x-x2) where is x1,2 the roots of equation =_='
2a^2-5a-3/3a-9
TY :3 <read more ..

Linor4 Oct 4, 2012

1140

Mathe Aufgabe

So ich habe hier mal eine Aufgabe :
Der Erfinder des Schach-Spiels erbat sich als Lohn für das erste Feld ein Reiskorn. Für jedes weitere Feld jeweils das doppelte des vorhergehenden Feldes. Beurteile diesen Wunsch. War der Erfinder bescheiden? War sein read more ..

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Guest Oct 4, 2012

1111

DC MACHINE problem

could someone pls help me with this:
a 10hp, 220V DC shunt motor w/ armature and field resistance of .25 and 100 ohms respectively. full load efficiency is 83%. determine the value of starting resistance in order that the armature starting current will read more ..

rye Oct 4, 2012

686

Trigonometry Help

I'm having some trouble solving equations with a reasonable number of solutions. These problems shouldn't require using inverses or the some to product and product to sum properties.
http://tinypic.com/r/flxah4/6
I don't need the answers for all read more ..

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Guest Oct 4, 2012

Oct 3, 2012

1065

Die Summe zweier Zahlen ist 100 vermindert um 28

Hallo, ich weiß nicht wie ich es lösen könnte: Die Summe zweier Zahlen ist 100 vermindert um 28. Ich weiß das ich er x+y=100 aber was muss ich dann machen ?

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Guest Oct 3, 2012

963

Law of Sine with unknown variable

Here is the problem
Please tell me how in the name of god I find X. I know the Law of sine and how to do it. But my teacher gave us a problem with a X and i'm dumbfounded

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Guest Oct 3, 2012

934

Factoring.

Okay, so I have to factorise 25p^2 - 100q^2. I think I know how to do it, but not all the way. It would be great if someone could tell me how this works.

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Guest Oct 3, 2012

778

simple equations

Ayyyeee' #TeamXzarythien ... lmao !

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Guest Oct 3, 2012

994

5-step equations word problems

A 2000 liter tank containing 550 liter of water is being filled with water at the rate of 75 liter per minute from a full 1600 liter tank. How lon will it be before the two tanks have the same amount of water?

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Guest Oct 3, 2012

Oct 2, 2012

904

{(-3,0),(-1,2),(1,4),(3,6)}

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Guest Oct 2, 2012

837

math

hi i am kinda new to this wed but what is the answer to -2p=-38? i am confuzzeled

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Guest Oct 2, 2012

698

Calulator with significant numbers

I was wondering if anyone knew how to make a calculator take into account significant figures. If you know, please let me know. Thanks

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Guest Oct 2, 2012

776

maths

2 and 1/2 divided by 1 and 3/4 = 5/2 x 7/4 = 35/8 = 4 3/8

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Guest Oct 2, 2012

897

Help

i need help by this : f(x)=3x-6
f(x)=-2x+5
f(x)=-1/3x+2
f(x)=x/2

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Guest Oct 2, 2012

700

Math

A^m/n

Guest Oct 2, 2012

1052

Linear equations

Would someone please show me how to work this problem
3x-2(5x-3)=7

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Guest Oct 2, 2012

722

calculator input for trig

i just wanted to know how to input trig functions into a "standard" scientific calculator. for example, 8csc7x, 5tan^3x, etc. if x=pi/14. any help is appreciated. thanks in advance...

Guest Oct 2, 2012

875

math home work

evaluating expressions

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Guest Oct 2, 2012

967

math

27= 3c-3(6-2c)

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Guest Oct 2, 2012

Oct 1, 2012

1169

HOMEWORK

2a+c=-10
b-c=15
a-2b+c=-5

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Guest Oct 1, 2012

925

math

fraction 21* 3/8=

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Guest Oct 1, 2012

720

cant figure out

i have this problem where its negative three times x plus three over negative three. it looks like
-3x+3
_______
-3
I have to multiply it by negative three but I cant get the right answer. I am not sure what I am doing wrong. please help read more ..

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Guest Oct 1, 2012

878

Math

b+25(1,6a+3,2b)-40a
klammer auflösen und zusammenfassen

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Guest Oct 1, 2012

All Questions ⁺⁰237784 Questions

MATH

hallo ich kapier mathe generell nicht am meisten dreisatz bitte um erklärung

help with math, 9 classes.

Mathe Aufgabe

DC MACHINE problem

Trigonometry Help

Die Summe zweier Zahlen ist 100 vermindert um 28

Law of Sine with unknown variable

Factoring.

simple equations

5-step equations word problems

{(-3,0),(-1,2),(1,4),(3,6)}

math

Calulator with significant numbers

maths

Help

Math

Linear equations

calculator input for trig

math home work

math

HOMEWORK

math

cant figure out

Math

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