All Questions

692

math

What is the solution set to 5x^4=5000x

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Guest Jan 29, 2014

611

need help

|5−9|−6−5 ???

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Guest Jan 29, 2014

670

Math

If train A is going 50 mph east,and Train B is going 70 mph west, at what time will they cross paths

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Guest Jan 29, 2014

652

maths

v=9r^2-r-6

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Guest Jan 29, 2014

625

can you show me how i write the alphabet in calculator

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Guest Jan 29, 2014

669

math

2.12765957e-7

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Guest Jan 29, 2014

836

Math problem! need help fast!!

f(x) = 3^((1/3)(x^3 - 3x)) = 0 Df = R (it says that, what does it mean?)
changed it to this:
f(x) = 3^(x^3/3 - x) -1 = 0
Answer:
x1: (0,0) x2: (sqrt3, 0) x3: (-sqrt3, 0) Tried to solve this by hand. Found (0,0) alright, but read more ..

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Guest Jan 29, 2014

602

I NEED HELP

WHAT IS 1.255X 10^-1

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Guest Jan 29, 2014

412

math

2+500

Guest Jan 29, 2014

1725

+2354

Found something that makes life a lot easier

* I use { and } for [ and ] cause otherwise I can't show how this works *
The commands {input} {/input} and {math} {/math} are really helpful if you want your equations to be written in an ordered form.
For example if I want to write x^2 + 3x + 2 read more ..

Melody ●●●●

reinout-g Jan 29, 2014

847

+2354

test

[input](20*6^4*4+3)/(5+3)[/input]

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reinout-g Jan 29, 2014

756

math percents and porporrtions

50% of 90

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Guest Jan 29, 2014

1078

Special right triangles

In a certain isosceles right triangle, the altitude to the hypotenuse is 4sqrt{2}. What is the area of the triangle?
I suck at geometry... please help

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Guest Jan 29, 2014

775

math geometry 1

what is the persents of whole numbers

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Guest Jan 29, 2014

755

math

x to the fifth power-2x to the fourth power+10x to the 3rd power - 10x squared+20x+8

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Guest Jan 29, 2014

780

MATH

how do you find the volume of a cilinder

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Guest Jan 29, 2014

682

math

how do you find the volume of a cilinder

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Guest Jan 29, 2014

816

Functions

f(f(x)) = 13 - 2(f(x))
Decide f(f(x))

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Guest Jan 29, 2014

1186

remembering solving fractions

Hi everyone,
I have a problem which is very annoying. I struggle with remembering how to solve addition, subtraction, multiplication and division fractions.
I know how to solve them but I forget which rules apply to which ones, does anyone have an read more ..

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Guest Jan 29, 2014

979

+134

Understanding is key [HELP]

I need to understand why for example
[ A radioactive kalashnikov gets less radioactive every year. After 60 years only 25% of the radio-activeness remains. What is the yearly reducing of radio-activeness in percent?]
I'm wondering. Since(Based on read more ..

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Vraces Jan 29, 2014

404

Multiplying

17x14.5

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Guest Jan 29, 2014

700

+2354

Melody

I assume you are the moderator of this forum Melody?
Because I noticed that there is also a german, french, spanish and russian version of this forum but no dutch version.
I am dutch, so if you'd like I'd be happy to watch over the dutch forum.
let read more ..

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reinout-g Jan 29, 2014

+19

2616

+2354

Logic's puzzle

Little logic's puzzle for whoever is interested,
You are on a quest from Proqzanthar to Krighontyr but find a T-crossing and don't know which way to go.
At the T-crossing there are two twin brothers of which one is always true and the other is always read more ..

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reinout-g Jan 29, 2014

648

+42

person with the user melody

Hey melody who r u and I need friend so don't say that to me so yea

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loveyou Jan 29, 2014

514

math

2x+5=-4(3/2-x)

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Guest Jan 29, 2014

All Questions ⁺⁰237634 Questions

math

need help

Math

maths

can you show me how i write the alphabet in calculator

math

Math problem! need help fast!!

I NEED HELP

math

Found something that makes life a lot easier

test

math percents and porporrtions

Special right triangles

math geometry 1

math

MATH

math

Functions

remembering solving fractions

Understanding is key [HELP]

Multiplying

Melody

Logic's puzzle

person with the user melody

math

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