All Questions

874

MATH

what 100MB divided by 56Kbps =

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Guest Oct 5, 2012

Oct 4, 2012

857

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

Guest Oct 4, 2012

833

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

1188

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

1163

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

731

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

1105

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

999

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

968

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

830

simple equations

Ayyyeee' #TeamXzarythien ... lmao !

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Guest Oct 3, 2012

1031

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

949

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

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Guest Oct 2, 2012

878

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

740

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

816

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

943

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

745

Math

A^m/n

Guest Oct 2, 2012

1084

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

769

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

927

math home work

evaluating expressions

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Guest Oct 2, 2012

1016

math

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

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Guest Oct 2, 2012

Oct 1, 2012

1218

HOMEWORK

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

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Guest Oct 1, 2012

956

math

fraction 21* 3/8=

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Guest Oct 1, 2012

770

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

916

Math

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

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Guest Oct 1, 2012

All Questions ⁺⁰238356 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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