03/22/17

a) If b is a positive constant and x > 0, find the critical point of
a) If b is a positive constant and x > 0, find the critical point of f(x) = x − bln(x) so this part I found to be b.   b) using the second derivative test determine if this value is a local... more
Follows • 3
Expert Answers •2

12/14/16

Are 2tantheta and tan2theta the same thing? If not then how do i plug both into my calculator?
I have a math problem in which I have to prove the identity sin2θ= 2tanθ/1+tan2θ using Double-Angle Identities and I'm trying to figure out how to solve it.
Follows • 3
Expert Answers •2

12/14/16

Please help me with this problem
If x-2 is a factor of 2x^2+bx-10 , what is the value of b ?
Follows • 4
Expert Answers •3

11/07/16

why does a smaller ball rolling faster than a bigger ball
What factors would cause a smaller object to roll farther than a larger one?
Follows • 3
Expert Answers •2

11/06/16

Why will it take a ball straight thrown upwards with an initial velocity of 20, 2 seconds to reach its peak height???
Please answer simply.
Follows • 3
Expert Answers •2

07/24/16

With any type of lens, the object and image?
A. will be the same size. B. may be on the same or opposite sides of the lens. C. must be on opposite sides of the lens. D. can be virtual or real.
Follows • 3
Expert Answers •2

07/24/16

To say that light is monochromatic is to say that the light is?
A. iridescent. B.in phase. C. of a single frequency. D.coherent.
Follows • 3
Expert Answers •2

06/24/16

Trig Angle Approximations
Angles α and β are between 0° and 360° with cos α = -0.9063 and tan β = -0.4877.Which of the following is a possible (approximate) value for α + β? A) 51° B) 129° C) 309° D) 361° E) 669°
Follows • 3
Expert Answers •2

06/23/16

math help please!!
 Prove the identity   1-cosθ + 2sinθ ÷ 1+ 2cosθ + 2sinθ = tanθ
Follows • 2
Expert Answers •1

06/23/16

Sin ^4x-cos^4x=1-2cos^2x
Need help proving this identity
Follows • 3
Expert Answers •2

06/23/16

math help!!
general solution, in degress, to the equation 2cosxcos2x-2sinxsin2x =-1
Follows • 3
Expert Answers •2

06/23/16

math help please!!!
solve sin3x + sinx = cosx for 0≤x≤2Pi
Follows • 3
Expert Answers •2

06/08/16

I need help with some thermochemistry questions, PLEASE, PLEASE HELP!
I've spent all day on the following questions and can't seem to get them right. If anyone would be willing to provide a break down with the answer that would be greatly appreciated. I just want to... more
Follows • 2
Expert Answers •1

05/30/16

can a polynomial equation can be written as sum of sines and cosines?
Can polynomial equation can be written as sum of sine and cosine
Follows • 2
Expert Answers •1

05/29/16

Finding coefficients in redox equation
in the balanced equation for the following redox equation, the sum of the coefficients is ___?   Fe^3+ +I- = Fe^2+ + I2   a. 4  b. 5 c. 6 d. 7 e. 8  
Follows • 2
Expert Answers •1

05/28/16

MAKE THE STATEMENT TRUE SIN THETA=COS( )
MAKE THE STATEMENT TRUE SIN THETA=COS( )  SOMEONE HELP MAKE THE STATEMENT TRUE
Follows • 2
Expert Answers •1

05/28/16

the area of an equilateral triangle is 100v3 sqare inches. how long are its sides
can some one please help me solve this
Follows • 2
Expert Answers •2

05/05/16

Thermodynamics help
A gas is at 200 K. (a) If we wish to double the rms speed of the molecules of the gas, to what value must we raise its temperature? (b) Calculate the increase in pressure during this increase in... more
Follows • 2
Expert Answers •1

05/04/16

After how many seconds does the ball reach maximum height?
A person standing close to  edge on the top of a 200-foot building throws a baseball vertically upward. The quadratic function s(t)=-16t^2+64+200 models the balls height above the ground, s(t), in... more
Follows • 2
Expert Answers •1

05/01/16

prove that sin-1 (-x) =-sin-1 x
just prove
Follows • 3
Expert Answers •2

04/29/16

Please determine the amplitude, period(in hours), and determine the mid-line (write in an equation)?
At midnight the water at a particular beach is at high tide. At the same time a gauge at the end of a pier reads 10 feet. Low tide is reached at 6 AM when the gauge reads 4ft.
Follows • 2
Expert Answers •1

04/28/16

Two small spheres are located 0.50 m apart. Both have the same...
Two small spheres are located 0.50 m apart. Both have the same charge on them. If the repulsive force is 5.0 N, what charge is on the spheres, in μC?
Follows • 3
Expert Answers •2

04/28/16

Why do we normally measure charge in µC instead....
Why do we normally measure charge in μC instead of Coulombs?
Follows • 2
Expert Answers •1

04/28/16

Chemistry Gas Laws
1. An unbreakable meteorological balloon is released from the ground.Ground level pressure is 98.5 KPa and the temperature is 18.0 Celsius. The balloon contains 74.0 liters of Hydrogen gas. As the... more
Follows • 2
Expert Answers •1

04/27/16

Determine the center, vertices and foci of the ellipse 9x^2+25y^2-18x-100y=116
they want four vertices
Follows • 1
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.