All Questions

803

Cos

How do i do cos -1

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Guest Mar 20, 2017

1510

cos (270+x) + cos (270-x) + cos (270+x) =

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Guest Mar 20, 2017

949

+280

Chemistry conversions

Please help.

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Veteran Mar 20, 2017

810

Population equation is stupid

I have to do an equation about population and I did it at school with the teacher but now I have no Idea what we did to get my one answer and by the this is dumb

Question/Answer: 1,371,920,000xe^(.005x35)=1.63

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Guest Mar 20, 2017

971

I am having a hard time trying to solve this for my homework

I have encounter similar problems like this on my worksheet. I just can't set up the formula for the life of me, can someone explain this to me so I can finish my homework?
If a planet was located approximately 29 thousand light-years from read more ..

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Guest Mar 20, 2017

1027

+27

Calculus Essentials For Dummies Page 116

Hi guys i have the above book and the sum at the bottom of page 116 is getting me down! You see he starts the sum but then gets a load of figures with no explanation of where they're coming from. Then he admits he didn't show all his work! Well i'm read more ..

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MrSilvers Mar 20, 2017

873

+4623

This is the one, I like!

How many digits are located to the right of the decimal point when is expressed as a decimal?

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tertre Mar 20, 2017

914

+4623

Plz help!!!!!!

Convert the base-64 number to base 62.

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tertre Mar 20, 2017

839

HELP ON THis QUESTION

Chords AB and XY of a circle meet at T. If XT = 4, TY = 6, and AT = 2TB, then what is AB?

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Guest Mar 20, 2017

995

If f(x) = -x³ + x² + x, find f(-2)

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Guest Mar 20, 2017

872

i need a refresher on arcseconds

There are 360 degrees in a circle. How many arcseconds will be in 39 % of a circle?

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Guest Mar 20, 2017

746

Math Question help please!!

Suppose you were asked to tutor another student.

a) How would you explain as a rate? What real-life example could you use to help?
read more ..

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Guest Mar 20, 2017

835

idk how to solve this I am suppose to get type close to each other

850e^(0.055x)=195e^(0.075x)

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Guest Mar 20, 2017

1955

help

Planet Tatoone is about 1.7 AU from its Sun. Approximately how long will it take for light to travel from the Sun to Tatoone in minutes? Use 3 Ã 108 m/s for the speed of light

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Guest Mar 20, 2017

826

Error

I'm getting this error, internal server error! (check your internet connection), when I want to calculate anything

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Guest Mar 20, 2017

1259

+4623

When a positive integer is expressed in base 7, it is , and when it is expressed in base 5, it is . What is the positive integer in

When a positive integer is expressed in base 7, it is , and when it is expressed in base 5, it is . What is the positive integer in decimal?

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tertre Mar 20, 2017

1096

sin^-1(11/12sin(73))

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Catherine Mar 20, 2017

Mar 19, 2017

959

+4623

Please help! 1

If m and n are positive integers such that , then what is the smallest possible value of

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tertre Mar 19, 2017

644

Hello... Transient errors indicate internal server error. can you verify that the JavaScript or HTML is correct? It continually states this on computing

Hello... Transient errors indicate internal server error. can you verify that the JavaScript or HTML is correct? It continually states this on computing any formula. Thanks!

Guest Mar 19, 2017

1006

How do you evaluate cos(tan^-1 (1/4) + cos^-1 (1/2))?

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Guest Mar 19, 2017

1294

X+Y=0.25, X/Y=0.25 Help?

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Guest Mar 19, 2017

884

+27

Need help please

-a/(-b)+c=16
a=?
b=3
c=13 read more ..

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Juli_What Mar 19, 2017

501

Logarithm

log(x*(y^-1)z^-2)^1/5 /log((x^-2)(y^-2)(z^-3))^1/6

Guest Mar 19, 2017

539

How to find distribution function from density

how do you find the distribution function of rv X whose probability denisity is given by, f(x) = {(1/2 for 0

Stumped as have not learnt this and there is a gap in the density!?

Guest Mar 19, 2017

All Questions ⁺⁰237697 Questions

Cos

cos (270+x) + cos (270-x) + cos (270+x) =

Chemistry conversions

Population equation is stupid

I am having a hard time trying to solve this for my homework

Calculus Essentials For Dummies Page 116

This is the one, I like!

Plz help!!!!!!

HELP ON THis QUESTION

If f(x) = -x³ + x² + x, find f(-2)

i need a refresher on arcseconds

Math Question help please!!

idk how to solve this I am suppose to get type close to each other

help

Error

When a positive integer is expressed in base 7, it is , and when it is expressed in base 5, it is . What is the positive integer in

sin^-1(11/12sin(73))

Please help! 1

Hello... Transient errors indicate internal server error. can you verify that the JavaScript or HTML is correct? It continually states this on computing

How do you evaluate cos(tan^-1 (1/4) + cos^-1 (1/2))?

X+Y=0.25, X/Y=0.25 Help?

Need help please

Logarithm

How to find distribution function from density

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