03/13/14

Simplify 3(2x^-1y^5)^-2

Please show how to get Thank you

03/13/14

can you please factor out -12x^5+4x^4+4x^2

I need it as fast as possible

03/12/14

may someone please help me on fractions? ineed help in understanding this...

how does 3-1/9=3 8/9? please and thank you.

03/12/14

What is combined height of 3 nickels 2 nickel and 1 nickel

What combined height of 3 nickels 2 nickel 1nickel   

helps solving systems of equations

please solve the systems of equations.  If it cannot be solved, please explain why.     1.  3x + y = 7      3x + y = 10     2.  5x - 2y = -24          -4y = -48 - 10x

03/12/14

Fraction multiples

When asked to find the multiples of a fraction such as 3/4, what should you get back as an answer? In other words how do you determine a multiple of a fraction?

03/12/14

what is the distance driven?

Amy drove from Denver to boulder during rush hour at an average speed of 30mph and drove home at an average speed of 45mph.  If the round trip took 1.75 hours, how far is it from Boulder to Denver?

03/12/14

help with this problem?

determine the exact value of sin (5π/8)    

03/12/14

Two quick pre-calc questions

Sound A is 31 dB. Sound B is 62 dB. How many times more intense is Sound B than Sound A   How many times more powerful is an earthquake measuring 5.3 on the richter scale than an earthquake... more

03/11/14

if:X={-1,0,1},Y={1,2} find XxY

if:X={-1,0,1},Y={1,2} find XxY and represent it by cartesian diagram

binary notation

. Represent the following number in binary notation: a) 64b) 192c) 348d) 2121e) 741

03/11/14

tan theta = 3tan theta find to the nearest degree all values of Theta in the interval 0 degrees less than or equal to theta ,less than or equal to 360 degrees

tanθ = 3tanθ find to the nearest degree all values of θ in the interval 0 degrees less than or equal to θ ,less than or equal to 360 degrees

03/11/14

Doubling time

A population doubles in size every 15 years. Assuming exponential growth, find the annual growth rate. 

03/11/14

find a counterexample to show that the conjecture is false

Any number that's is divisible by 4 is divisible by 8

03/11/14

How do I use the picket fence method?

I've had this explained to me in class, but I just don't get it. Is there a simple way to learn it? Thank you!

03/11/14

I have a big test tomorrow and I was just wondering how to do these ?

Rewrite the expression as a single logarithm 1) 1/3 log 8 - 1/2 log 25 ——-----------------------—— what is the equation for the asymptote of the graph of y=e^x ? Y=e-x ? y=ln x ? > please... more

03/11/14

Is what i think right or wrong????

  Determine wether u and v are orthogonal, parrallel or neither U=<1,2-3> and v=<-4/3,-8/3,4>   I am thinking is parrallel     1)Find the vector z, giving u=<-1,32>... more

03/11/14

Help ? Porfavor ? Gracias :)

Re write the exponentian equatiin in equivalent logarithmic form 1) e2 =7.389 -------------------------------------- if possible write the expressions using sums and/or difference of logarithmic... more

03/11/14

Simplifying an Expression involving sin^-1 x

If 0<x<1, write cos(sin-1 x) as an algebraic expression in x.

03/11/14

(12+7):(8x4+6)::(____):(4x7+2)

I'm doing my Hw and I need help

03/11/14

x-5/x=25/x+5

Solve the rational equation. Choose the one alternative that best completes the statement or answers that question A) 25,1 B) 25,-1 C) 5,1 D) 5.-1

03/11/14

annual compound interest rate equivalent to continuous compound

what annual interest rate compounded annually is equivalent to an annual rate of 6% compounded continuously?

simplify 1/cos^2x-1/cot^2x

simplify using trig identities

03/11/14

square root 600x6y3

square root 600x6yy3

03/11/14

Perform the operation and simplify

Sin x cox (tan x +cot x)

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