04/24/13

Let k(x) be the curvature of y=ln(x) at x.

Let k(x) be the curvature of y=ln(x) at x. Find the limit as x approaches to the positive infinity of k(x).

Help solving please

c=0.95,x=15.7,s=10.0, and n=85 Sole problem

04/24/13

Do you always use the property of distribution when multiplying monomials and polynomials?

Explain why or why not. In what situations would distribution becomeimportant?  

04/24/13

How would you define a polynomial expression?

What are some of the characteristics and types of polynomials? Why arepolynomials used to describe many real world applications? Find and share someexamples from your personal experience, textbook... more

04/24/13

solve for x

this equation if from my geometry homework.

04/24/13

what value is the largest a. 3/8 b.0.45 c. 42% d. 12/25

how do if find out what value is larger

04/24/13

z+(-3 2/5)=-4 1/10

I need help solving this step by step, please  

Factoring trinomials.

3a2+30a+63 3a squared+30a+6  

04/24/13

Help me understand

Find the value of x that solves the following proportion 9/6=x10 Will you plese help me solve this?

04/24/13

I need help on these two equations please?

the first one is: x+x+2+2x=-2 the second one is: 3x-9x+7-3=-8

04/24/13

Describe the transformation on the graph of f(x) = log(x)

g(x) = - log(x) + 2 Description of transformation: Equation(s) for the vertical asymptote(s): x-intercept in (x,y) form: The line does not cross over the x-axis so I'm lost with this problem;... more

what is the volume of the juice box?

 V=L X W X H v=1 1/4 in x 2 1/2 in x 4 1/2 in  

04/24/13

Trouble with fractions.

Why does 1/12 + 1/8 = 5/24? Why does it not = 2/20 or 1/10?

04/24/13

find the present value on Php 7,896 for 4 months of a simple interet rate of 7 1/2%.

formula is F=P+(I+rt), means F=principal + (interest+rate*time).  

04/23/13

Find the domain of r(t)?

Find the domain of r(t)=<sqrt(t^2), 1/(t-1), ln(t+1)>. Answer: (-1, 1)U(1, positive infinity) But how do you figure this out?

Write and simplify an expression to show how many quarters they have in all.

Charlie  has x quarters. Ty has 3 more quarters than Charlie has. Vinnie has 2 times as many quarters as Ty has.  

How do you label points where the line crosses the axes?

I am doing homework and this is the equation: y= -x -4 along with graph to chart it on. We are working on integer linear equations and graphing on charts. If you could help, it would clear some... more

04/23/13

how do I determine when the negative sign will be to the left of the entire fraction or next to the numerator or denominator

How do I determine when the negative sign will be to the left of the entire fraction or next to the numerator or denominator?   REVIEWING FOR PRE-ALGEBRA

04/23/13

Want to see if I'm doing this question right and the calculations are also correct. I have done this question three times now and keep getting different answers

The formula is f(t) = P(1 + r/n)nt  $62,000 is invested in a CD with the interest rate of 25% Time in years is 18 the compounding periods  per year is quarterly and then they ask to do it... more

04/23/13

multiply and simplify

multiply and simplify (x^2+x-12/x-3)*(x^2-2x-3/x^2+5x+4)

04/23/13

need to see the steps so i can simplify need help

I am simplifying a fraction to lowest terms  a^2 -4b^2/a+2b    

04/23/13

Light of wavelength 2400 x 10-10 m in air will become light of wavelength in glass (µ = 1.5) equal to

Light of wavelength 2400 x 10-10 m in air will become light of wavelength in glass (μ = 1.5)equal toA. 1600 x 10-10 m B. 7200 x 10-10 m C. 1080 x 10-10 m D. none of these

04/23/13

2. One of the geo-stationary satellites of India is vertically above A. New Delhi B. Mumbai C. Allahabad D. None of these

2. One of the geo-stationary satellites of India is vertically above A. New Delhi B. Mumbai C. Allahabad D. None of these

04/23/13

Find the curvature of the curve?

Find the curvature of the curve r(t)=(t+1)i+2(t^2-1)j+(t-2)k. r'(t)=i+4tj+k sqrt(1^2+(4t)^2+1^2)=sqrt(2+16t^2) r''(t)=4j r'(t)xr''(t)=? Please show your work step by step from here to get the... more

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