03/30/14

Please answer this calculus question?
Consider the region R in the first quadrant under the curve y=(2*ln(x))/x^2.    a) Write the area of R as an improper integral. b) Express the integral in part (a) as a limit of a definite... more
Follows • 2
Expert Answers •1

03/30/14

Algebra problem solving
how do you solve this problem? 2k^2+7k+3
Follows • 4
Expert Answers •3

03/30/14

A charged ballon can stick to a wall because of: friction, induction, conduction or detection??
A charged ballon can stick to a wall because of : friction, induction,conduction or detection?
Follows • 2
Expert Answers •1

03/30/14

tan^2x - tanx/ tan^2x + tanx = tan2x - sec 2x
Hi plz could u help me with this Q. How can prove RHS=LHS
Follows • 2
Expert Answers •1

03/29/14

Find the quadratic function in standard form.
Given the points (30,6), (60,7), (100,4). Plug into y=ax^2+bx+c then graph.
Follows • 2
Expert Answers •1

03/29/14

Find tangent line to curve given a point..... very close just need alittle help.
Find tangent line to the curve, given a point:   Y= cosx - sinx      (Pi, -1)   I used the difference rule: (d/dx cosx) - (d/dx sinx)   -sinx - cosx   Then idk where to go from here... Im... more
Follows • 2
Expert Answers •1

03/29/14

What is the range of this function?
f(x)=2 sqr(-x^2+4) - 2 the range is R:{y| -2 ≤ y ≤ 2, yER) How do i get this answer?
Follows • 2
Expert Answers •1

03/29/14

How many liters of 10% and 50% alcohol solution must be mixed to get 15 liters of 26%?
Just need to find the percentage of each to put in 15 liters of 26%
Follows • 3
Expert Answers •2

03/29/14

Find equation of tangetn line to the curve
I need to see the steps for solving the following equation:  Find the equation of the tangent line to the curve at the given points for y=x^2-1/x^2+x+1  (1,0).  I know the answer is 2/3x-2/3 but... more
Follows • 3
Expert Answers •2

03/29/14

what happens when electrons move from one objet to another by direct contact: is it friction, induction, conduction, detection?
what happens  
Follows • 2
Expert Answers •1

03/29/14

simplify expressions
Given the functions g(x)=2/2x-5, evaluate and SIMPLIFY each of the following expressions:   -6g(x)-1    
Follows • 4
Expert Answers •3

03/29/14

help solving solutions
  1.  Simplify    x-y    +    x+y                     x+y          x-y     I have zero since x-y crosses out x-y and x+y crosses out x+y     2.  solve 12x^2 + 7x = 10      I am trying to... more
Follows • 5
Expert Answers •4

03/29/14

Find the limit?
Find the limit of 3x^(2x) as x approaches to 0+.    Please show all your work. 
Follows • 3
Expert Answers •2

03/29/14

multiply (ab - 2) (ab + 2) and factoring
1.  (ab -2) (ab +2) = ab^2 + 4   (is this correct)   2.  Can 8a^3 -27 be factored?  I cannot find a way to do it   3.  Can x(x -2)(x +3) = 0 be solved?  I did x=2 and y = -3 and nothing fits to... more
Follows • 3
Expert Answers •2

03/29/14

How do I get started to answer this question.
Describe the following graphs, their slope, their intercepts, their graph: y = 200; x = 200; y = -100; and x = -150.Are any of these parallel? Why?Are any of these perpendicular? Why?
Follows • 3
Expert Answers •3

03/29/14

simplist form without negative exponents
is this correct for my answer     (ax)^2    =     1/(ax)^2    =     1/a^2x^2         how do I simplfy this problem  assuming the solutio is undefined,          (... more
Follows • 2
Expert Answers •1

03/29/14

simplify solutions that are undefined
Did I solve these solutions correctly,     1.  12^a^5                        2                                         2         6a         =              1^a^5 - a           ... more
Follows • 3
Expert Answers •2

03/29/14

need help solving this inequality -4 = 3 + 7x < 24 , I need to show work and graph it
-4 ≤ 3 + 7x < 24 I need to show all work and graph it
Follows • 2
Expert Answers •1

03/28/14

For what values of t?
The temperature outside a house during a 24-hour period is given by F(t)=80-10cos(pi*t/12), 0≤t≤24, where F(t) is measured in degrees Fahrenheit and t is measured in hours.    Question:   An... more
Follows • 2
Expert Answers •1

03/28/14

Logarithmic equations
(1/4)^x=8^x-1 (1/2^-x=1.6 3^x/2+1=12.2 log3(7x)=log3(2x+0.5) log5x-log(15.5)=2 logx-log(x/100)=x 5-3^x=-40 9^2y=66 log2x+logx=11 3logx-log6+log2.4=9 2^x/3=80
Follows • 2
Expert Answers •1

03/28/14

functions and formulas
help me translate this into english please!! f(x)=4x^+2;find f(-1) what is this asking? i know that f(x) is the same as y,correct? what do they mean by "find f(-1) are they asking to find x and y?
Follows • 4
Expert Answers •3

03/28/14

finding the slope
I used the y/2 -y/1 over x/2-x/1 formula to determine the slope of : (2,5) abd (-3,-5) My answer is -10/5 The other one I would like to confirm is: (-2,-3) and (4,-9) for which I go -6/6
Follows • 3
Expert Answers •2

03/28/14

Plotting to determine collinear
I plotted (0,-1),(3,5),(-1,-3) and determined that they were in fact  Collinear...just want to doublecheck
Follows • 2
Expert Answers •1

03/28/14

find an equation in standard form of the line containing given points (1,7) (2,2) (4,-35)
The equation of parabola is y=_________
Follows • 2
Expert Answers •1

03/28/14

Which of the following?
Which of the following is the limit of the sequence with nth term an=n*sin(3pi/n)?   a) 1 b) pi c) 2pi d) 3pi e) 4pi   The n for an is lower case. Do I supposed to take the limit as n... more
Follows • 3
Expert Answers •2

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.