All Questions

759

Scientific Notation

what is 526923076.923 in scientific notation?

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Guest Mar 26, 2014

902

Pythagorean Theorem

24squared + b squared = 25squared

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Guest Mar 26, 2014

612

help

:roll: what do I do with variables when I have a problem like 3 square root of 32n^4

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Guest Mar 26, 2014

920

Diameter and Circumference

If a circles circumference is qual to 6.28, what is its diameter?

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Guest Mar 26, 2014

647

math

m<r=47

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Guest Mar 26, 2014

685

geometry

:x find the area of similar figures

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Guest Mar 26, 2014

1342

Math riddles

Hi I need help with two math riddles. I would very much appreciate if someone could help me with this
First riddle:
My mother is three times my age
My sister is 75% of my age and 15% of my grandmothers age.
My father is 40, 4 years older read more ..

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Guest Mar 26, 2014

Mar 25, 2014

672

Math

3x - 7 = x + 11 then 2x + 1 =

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Guest Mar 25, 2014

703

math

:|what is 320/3

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Guest Mar 25, 2014

838

equations

5 less than twice

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Guest Mar 25, 2014

1333

puetje detyra kimi

sa kilogram gelqeror te pashuar cao perfitohet me pjekjen 1500 kg te gurit gelqeror caco3

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Guest Mar 25, 2014

1104

need help asap

a car generates 2,552 and weighs 2,250 pounds. what is the rate of acceleration?

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Guest Mar 25, 2014

713

geometry

segment MN with endpoints M(12,-7) and N(-5,-2) find the coordinates

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Guest Mar 25, 2014

950

+2354

Quadratic forms on a linear constraint set

I have trouble understanding why the following theorem holds.
Knipsel12.PNG
I am hoping someone can give me some idea, or logic behind why this holds.
I am not necessarily looking for a proof. What I am looking for is something which makes me read more ..

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reinout-g Mar 25, 2014

825

+38

math help Algebraic

what is a algebraic expression

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pancakes Mar 25, 2014

720

+38

NANAN BATMAN

NANANAN BATMAN

pancakes Mar 25, 2014

1004

question

the area that lies either to the left of 1.56 or to the right of 2.30

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Guest Mar 25, 2014

812

Exponential

3 to the power of x equals 30. how to solve?

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Guest Mar 25, 2014

849

the calculator

why doesn't this calculator have fractions

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Guest Mar 25, 2014

811

TRIGONOMETRY

3SIN^2X-7SINX-3=0

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Guest Mar 25, 2014

1042

+2354

Can this be done in an easier way?

This question has been posed in multiple posts due to the many attachements
Hi there!
For one of my exercises I have the following equation:
CodeCogsEqn (9).gif
I need to find both partial derivatives and for y this is quite easy. However read more ..

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reinout-g Mar 25, 2014

642

+130577

Hyperbola Proof

Since I've answered a few questions on here from time to time, now, I've got one!!
Draw a tangent line to either the right (or left) branch of a hyperbola and let that line intersect the x axis. Call this point of intersection, "S." From the point of read more ..

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CPhill Mar 25, 2014

841

+1313

Random engi maths q's

Can someone aid with my understanding the 4 derivative of a function formula, and how to know for which should be applied to an equation also define the formula in your example please.

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Stu Mar 25, 2014

1588

+118735

Trigonometry

sqrt(3)cos(x) - sin(x)= 1
What is the best way to tackle a question like this one? I need a general formula.
Thanks.
(I am reposting because it hasn't been answered yet.)

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Melody Mar 25, 2014

1329

+72

Physics

The time base of a cathode ray oscilloscope (CRO) is set 1ms/cm. When an alternating current signal of 200Hz is applied to the y-plate of the CR0, what is the minimum number of cycles seen on the 30cm wide screen?

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Princess Sophie E Mar 25, 2014

All Questions ⁺⁰237994 Questions

Scientific Notation

Pythagorean Theorem

help

Diameter and Circumference

math

geometry

Math riddles

Math

math

equations

puetje detyra kimi

need help asap

geometry

Quadratic forms on a linear constraint set

math help Algebraic

NANAN BATMAN

question

Exponential

the calculator

TRIGONOMETRY

Can this be done in an easier way?

Hyperbola Proof

Random engi maths q's

Trigonometry

Physics

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