09/19/15

Assume that the range of f(x) = arcsec(x) is [0, pi/2) U [p, 3pi/2) when finding the exact value of the following of arcsec(-2) in radical fraction form.
Answer this now!
Follows • 2
Expert Answers •1

09/19/15

Derive the equation of the parabola with a focus at (-5, -5) and a directrix of y = 7.
Derive the equation of the parabola with a focus at (−5, −5) and a directrix of y = 7.   A) f(x) = −one twenty-fourth (x − 1)2 − 5B) f(x) = one twenty-fourth (x − 1)2 − 5C) f(x) = −one... more
Follows • 3
Expert Answers •2

09/16/15

The sum of three consecutive counting numbers is 15 more than the greatest of them. What is the greatest of the three numbers?
The sum of three consecutive counting numbers is 15 more than the greatest of them. What is the greatest of the three numbers?
Follows • 2
Expert Answers •1

09/07/15

A coin is tossed six times. How many ways can it come up heads 5 times and tails once?
 please explain  
Follows • 2
Expert Answers •1

09/07/15

Find the limit or show that it does exist, lim goes to infinity of (sqrt 1+4x^6)/(2-x^3)
Please help 
Follows • 2
Expert Answers •1

09/06/15

probability
For this problem, assume the balls in the box are numbered 1 through 7, and that an experiment consists of randomly selecting 2 balls one after another without replacement.   What probability... more
Follows • 3
Expert Answers •2

09/06/15

time and work
two pipes a and b can fill a tank in 6 hours and 8 hours .if both pipes are opened together ,then after how many hours B should be closed ,so that the tank is full in 4... more
Follows • 2
Expert Answers •1

09/02/15

Solve the equation after making an appropriate substitution:
√x -2 4√x-8 = 0    Determine the appropriate substitution using the new u: u=   Write the new quadratic equation using the variable u:   Solve the new quadratic equation for variable u. u... more
Follows • 2
Expert Answers •1

08/31/15

Calculate the volume of a 0.175 M HBr solution required to neutralize 40.95 mL of 0.300 M Ba(OH)2 solution
Calculate the volume of a 0.175 M HBr solution required to neutralize 40.95 mL of 0.300 M Ba(OH)2 solution
Follows • 2
Expert Answers •1

08/30/15

uniform motion help?
The doctor and Clara, who are 210 meters apart, start walking towards each other at 1:00pm at rates of 1.5 m/s and 2m/s, respectively. At what time will they meet?
Follows • 2
Expert Answers •1

08/30/15

How many grams of aluminum are required to produce 8.70 moles of aluminum chloride
This incredibly simple question has stumped me. I can't get the right answer.
Follows • 2
Expert Answers •1

08/30/15

Evaluate the limit function and find its limit
lim              √(1+t)-√(1-t) t→0                     t   subsitution brought me to  √(1+0)-√(1-0)=            √(1)-√(1)=                   1-1=             0                                   ... more
Follows • 2
Expert Answers •1

08/26/15

Riemaan integral
the value of integral ∫4 [log x] dx where [] denotes greatest integer                                1 a) log 4 b) 1/2 c) 4-e d) 4+e the ans is given in the answer sheet is 4-e, i m totally... more
Follows • 2
Expert Answers •1

08/26/15

limit and convergent
lim   (1/n+1 + 1/n+2 + ......... 1/2n) is equal to n→∞  a) 0  b) 1 c) 2 d) loge2 the answer is loge2 , bt howi cant understand, it should be zero i think, please solve it, plz plz  
Follows • 3
Expert Answers •2

08/25/15

Chemistry Question 3 Need Help ASAP
A laboratory experiment requires 2.0 L of a 1.5 M solution of hydrochloric acid (HCl), but the only available HCl is a 12.0 M stock solution. How could you prepare the solution needed for the lab... more
Follows • 2
Expert Answers •1

08/22/15

if sinA+cosA=2 then sin^5A+cos^8A=?
This is a best question for all .
Follows • 2
Expert Answers •1

08/19/15

Physics Numericals based on Friction
Two bodies, A(100g) and B(500g), are connected by a pulley. The system rest horizontally. The pulley is connected to a wall while the bodies rest on a horizontal surface. A lies on top of B. What... more
Follows • 2
Expert Answers •1

07/28/15

if 2 W of acoustic power starts from a point source and spreads out in all directions for a distance of 10 m, what would the intensity be?
No that is about it I dont know how to find the intensity for it. Please help me
Follows • 2
Expert Answers •1

07/28/15

what is the conjugate acid of NH3
What is the conjugate acid of NH3
Follows • 3
Expert Answers •2

07/27/15

What relationship exists between the amplitude of a wave and amount of disturbance in the water?
What relationship exists between the amplitude of a wave and amount of disturbance in the water?
Follows • 2
Expert Answers •1

07/27/15

random variable
compute the mean, variance and standard deviation of the random variable X having the following... more
Follows • 2
Expert Answers •1

07/24/15

System of four equations
4a+6b+2c+4d=-12. -2a+3b+c+d=-3.                          6a-3b+c-d=9.                             -10a-6b-c-2d=1
Follows • 3
Expert Answers •2

07/19/15

A 113 L sample of Helium at 27oC is cooled to -78oC. Calculate the new volume of the Helium.
I really do not understand what this question is asking. I am taking an online class an need a tutor.
Follows • 4
Expert Answers •3

07/19/15

Find the length of the shortest path that connects points A and B
Let A be the point (3,5) and let B be the point (6,6). Find the length of the shortest path that connects points A and B if the path must touch the x-axis. The minimal possible length is= ?
Follows • 3
Expert Answers •1

07/18/15

Why did scientists believe in the existence of the neutrino even though it wasn't discovered for several years after after the time of its prediction?
a. They were able to observe their tracks in cloud chambers.b. Scientists were confident in the law of Conservation of energy.c. They were able to calculate exactly how much mass was being... more
Follows • 2
Expert Answers •1

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.