All Questions

647

xvbmxhm,ghj,

How do I change me answer into fraction form?

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Guest Mar 3, 2014

759

trigonometry

simplify but no decimals

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mckenzie.courtney32 Mar 3, 2014

808

Vertex

I don't know which one is right, and I need your help. Is it A or B.
x^2 means x squared if you didn't know.
A) y= -x^2+2x+3 x=-2/2(-1)= 1
y= -1^2+2(1)+3
1+2+3 y=6 B) y= -x^2+2x+3 x=-2/2(-1)= 1 y= -1(1)^2+2(1)=3 -1+2+3 read more ..

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Guest Mar 3, 2014

Mar 2, 2014

546

math

what is really 2+2?

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Guest Mar 2, 2014

1113

Algebra2

y=-1^2+2(1)+3

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Guest Mar 2, 2014

796

Algebra2

y=-x^2+2(1)=3

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Guest Mar 2, 2014

713

aproblem

what is 26/3x3x6x7/5-67x123

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Guest Mar 2, 2014

896

Combination versus permeation

How do you know when to use combination and when to use permeation?

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Guest Mar 2, 2014

870

exact answer not decimal

How do i put this as an exact answer? Tan-1(11/10)+ Tan-1(3/22)= ?

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Guest Mar 2, 2014

672

math

If f(x)=−27x3, what is the value of f(−9), to the nearest tenth (if necessary)?

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Guest Mar 2, 2014

1226

algebraic simplifications

simplify 4p x 6q

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Guest Mar 2, 2014

709

Maths

x^2+2x=3

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Guest Mar 2, 2014

1651

+2355

New calculator option

Hi everyone!
While trying to find a way to have the calculator display in scientific notation I stumbled upon something else which could be useful.
The calculator has a built in database for a large number of constant values used in for example physics. read more ..

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reinout-g Mar 2, 2014

2806

+33669

Site Graphing Calculator

I've been playing with the site calculator in its graphing mode, and I'm puzzled by the fact that I sometimes seem to get a spurious straight line through the origin on part of the graph - see example below, where I just want the e^(-x). Also, why is it highlighting read more ..

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Alan Mar 2, 2014

988

+118742

Displaying Formula using Web2 calc

Hi reinout-g (relevant comments from other people are also welcome)
You asked me how did I get the site calc to display formulas.
I just tried to get it to display the quadratic formula. I couldn't get the +- part to work.
Also I don't know read more ..

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Melody Mar 2, 2014

767

pattern for side of a polygon

im looking for pattern on the side of a polygon inscribed in circle knowing the radius

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Guest Mar 2, 2014

803

5.7 to the power of -4

5.7 to the power of -4?

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Guest Mar 2, 2014

713

help

how to make decimals in to fraction to be able to measure on a ruler

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Guest Mar 2, 2014

675

Math

4x + 6 + 3 =
please explain step by step

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Guest Mar 2, 2014

649

math

[center] [color=#80BF40][center][input][inputrad][/inputrad][/input][/center][/color][/center]By the end of grade one, students learn to understand and use the
concept of ones and tens in the place value number system. Students add and
subtract small read more ..

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Guest Mar 2, 2014

Mar 1, 2014

773

scientific calculators

my own calculator came up with answer 50050118537e11 what is this

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Guest Mar 1, 2014

508

equations

what is 100 squared dived by 10000 squared time 100000000000000 squared?

Guest Mar 1, 2014

759

How do I display large answers in scientific notation?

[input]How do I display large answers in scientific notation?[/input]

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Guest Mar 1, 2014

691

Statistics

P(15<=X<=25)

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Guest Mar 1, 2014

734

hello

how are you

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Guest Mar 1, 2014

All Questions ⁺⁰238363 Questions

xvbmxhm,ghj,

trigonometry

Vertex

math

Algebra2

Algebra2

aproblem

Combination versus permeation

exact answer not decimal

math

algebraic simplifications

Maths

New calculator option

Site Graphing Calculator

Displaying Formula using Web2 calc

pattern for side of a polygon

5.7 to the power of -4

help

Math

math

scientific calculators

equations

How do I display large answers in scientific notation?

Statistics

hello

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