All Questions

762

math

easiest way to do rational number? And integers and irrational numbers?

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Guest Feb 3, 2014

775

help

(5^2+2x-1)+(-4^2+x+7)=

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Guest Feb 3, 2014

496

square route

what is the square route of 1

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Guest Feb 3, 2014

640

math

what is the equation of a line that passes through the points (-4,-5) with the slope of -7/2

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Guest Feb 3, 2014

750

Geometry , Angle Proofs

55+7x+4x=180 what is x ?

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Guest Feb 3, 2014

695

5. Plot the complex number .

5. Plot the complex number .-4sqrt(3) -4i

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Guest Feb 3, 2014

645

math

billy, sam, and cat is having a candy party there are 13 pieces of candy. how many pieces of candy can billy, sam, and cat have? :lol:

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Guest Feb 3, 2014

Feb 2, 2014

527

Equivalence problem

Are (L/R1) + (L/R2)
and [ (R1*L)+(R2*L) ] / (R1*R2)
equivalent?

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Guest Feb 2, 2014

644

trig

a minute hand on a clock is 80 cm long. how far does the tip of the minute hand travel in 30 mins?

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Guest Feb 2, 2014

626

mATH

SIMPLIFY 9X+3Y

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Guest Feb 2, 2014

696

math

x^2-4x+1

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Guest Feb 2, 2014

650

stat

how to calculated binomial distribution

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Guest Feb 2, 2014

1085

math

three cousins, allan,bob,and charlie,were sitting around watching football on tv. the game was really boring, so they started talking about how old they were. allan (the oldest)noticed that they were all between the ages 11 and 30. bob noticed that the sum read more ..

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Guest Feb 2, 2014

666

Equation

2x^2+x−1=0 X= what two numbers?

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Guest Feb 2, 2014

616

Interesting

Need this to get solved.
I have tried to do it myself but I did mistake somewhere. Please help.
My aswers:
A=2
B=2 C=1 or 0 ????????????? D=25

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Guest Feb 2, 2014

499

need help

Lisa is on a trip of 2,594 miles. She has already traveled 68 miles. She has 6 days left in her trip. How many miles does she need to travel each day to complete the trip?

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al3xand3r__14 Feb 2, 2014

644

math

2+2(3+4)

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Guest Feb 2, 2014

548

english

if we but 12*113 what the answer wall be

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Guest Feb 2, 2014

810

9/cos33

9 divided by cos33

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Guest Feb 2, 2014

928

physics

consider the expression
(6.67×10^−11)(5.97×10^24)/(6.38×10^6)^2.
Determine the values of a and k when the value of this expression is written in scientific notation.

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Guest Feb 2, 2014

662

math

if we let b=-1,a be any integer, and y be any positive,what do we get?

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Guest Feb 2, 2014

936

Pearson's r and coefficient of determination

This is my first time using a web calculator. Can someone please provide me with instructions on how to calculate the Pearson's r and coefficient of determination using a web calculator.
Thank you

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Guest Feb 2, 2014

655

Algebra

10+2[6x+5(2-x)]

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Guest Feb 2, 2014

1258

+118725

There are several things that I want to say to you or talk to you about in the next few days.

There are several things that I want to say to you or talk to you about in the next few days.
The first thing I would like you to think about is how you phrase your questions and how polite you are being.
The people answering your questions are giving read more ..

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Melody Feb 2, 2014

758

scientific notation

4.46 x 10^-6

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Guest Feb 2, 2014

All Questions ⁺⁰237843 Questions

math

help

square route

math

Geometry , Angle Proofs

5. Plot the complex number .

math

Equivalence problem

trig

mATH

math

stat

math

Equation

Interesting

need help

math

english

9/cos33

physics

math

Pearson's r and coefficient of determination

Algebra

There are several things that I want to say to you or talk to you about in the next few days.

scientific notation

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