08/08/16

Find angle.
ABCD is a square of side 10.    CE=6 <CEA=154   Find <EAB. Round your answer to 1 decimal place.  Hint: find AC first.   Photo of the... more
Follows • 2
Expert Answers •1

08/07/16

Question is written below in description section. I need help on this Chemisty question to get points on my extra credit assignment
An unknown hydrocarbon (made up only of hydrogen and carbon) is fully combusted. The products are cooled to release 56.35 grams of water. The remaining pure gas is taken to STP and occupies 40.0 L.... more
Follows • 2
Expert Answers •1

08/06/16

how to factor a^3b-ab^3+a^2+b^2+1
 how to factor a^3b-ab^3+a^2+b^2+1?
Follows • 2
Expert Answers •1

08/03/16

Find the equation of an ellipse.
Find the equation of an ellipse satisfying the given conditions. Foci: (-2,0) and (2,0); length of major axis: 10
Follows • 2
Expert Answers •1

08/01/16

Using y=ux to solve 1st order diff equation
Prove y=ux reduces y'=f(y/x) into separable equations in u and x hence solve
Follows • 2
Expert Answers •1

07/31/16

What is the bearing of A from C and what is the distance from B to C
A girl starts from a point A and walks 285m to B on a bearing of 078 degrees.  She then walks due south to a point C which is 307m from A. What is the bearing of A from C and what is the distance... more
Follows • 2
Expert Answers •1

07/29/16

geometric distribution
A newspaper find that the mean number of typographical error's per page is six find the probability that at most five topographical errors are found on page
Follows • 2
Expert Answers •1

07/15/16

A parabola has its vertex at (2, 2), and the equation of its directrix is y = 2.5 what is the parabola
I need help fast
Follows • 2
Expert Answers •1

07/14/16

Heat Capacity
A cylinder contains 250 g of Helium at 200 K. The external pressure is constant at 1 atm. The system experiences an evolution of heat and the temperature change is 55 K. Calculate q. Express your... more
Follows • 3
Expert Answers •2

07/10/16

Which of the following compounds when placed in water would produce an electrically conductive solution?
-FeSO4 -ZnBr2 -Mn(OH)2 -CsBr -CCl4   Please select all that are true! 
Follows • 4
Expert Answers •3

06/28/16

integral of (x-2)^-3/2
integral of quantity x-2 raised to three halves     need help asap      thanks
Follows • 4
Expert Answers •3

06/28/16

Calculate the value of the rate constant. PLEASE HELP!
The rate law for the reaction NH2 (g) + NO (g) → N2 (g) + H2O (g) was determined to be as follows: Rate = k[NH2][NO]. In an experiment at 1200K, where the initial concentration of NH2 was 1.00 ×... more
Follows • 3
Expert Answers •2

06/27/16

A nonnegative integer-valued random variable X has a CDF of the form F(x)=1-(1/5)^x for x=1,2,.....and zero otherwise. Find P(X is odd)?
A nonnegative integer-valued random variable X has a CDF of the form F(x)=1-(1/5)^xfor x=1,2,.....and zero otherwise.Find P(X is odd)? could you please help me with that?
Follows • 4
Expert Answers •3

06/22/16

The coordinate p = (a,0 is at an equal distance from origo as the coordinate Q = (3, 4). Solve algebraically possible values for a.
That is my question, i think i need to use pythagorean theorem? The distance formula? This is a question on linear functions.
Follows • 3
Expert Answers •2

06/19/16

What is the area of an equilateral triangle who's inscribed circle has a radius equal to 2?
What is the area of an equilateral triangle who's inscribed circle has a radius equal to 2?
Follows • 3
Expert Answers •2

06/06/16

I'm struggling for one harmonic oscillation question.
I'm struggling for one harmonic oscillation question. Continued questions are related to this question. So if I know this, I'll carry on my study. Pleas help me one time. The question is: A force... more
Follows • 2
Expert Answers •1

05/26/16

Definite integral question
Calculate the integral of:  cos [2x] π. cos πx dx From 0 to 1.
Follows • 2
Expert Answers •1

05/25/16

y''-3y'+2y= x+1 y(0)=1 y'(0)=1 heelp
y''-3y'+2y= x+1 y(0)=1 y'(0)=1 heelp find the solution
Follows • 2
Expert Answers •1

05/19/16

Spring with two masses
Two masses of mass m are connected by a spring with spring constant k (diagram below).a) What is the resonant frequency of the system in terms of m and k?b) If the masses are each 1AMU (atomic mass... more
Follows • 2
Expert Answers •1

05/15/16

What is the standard form equation of a parabola with a vertex of (5, 6) and a directrix at y= 23/4?
What is the standard form equation of a parabola with a vertex of (5, 6) and a directrix at y= 23/4?   standard form equation of a parabola
Follows • 2
Expert Answers •1

05/15/16

at what rate is the volume of the sphere changing at the instant when the surface area is increasing at the rate 4 square centimeters per minute
at what rate is the volume of the sphere changing at the instant when the surface area is increasing at the rate 4 square centimeters per minute and the radius is increasing at the rate of 0.1... more
Follows • 2
Expert Answers •2

05/14/16

The maximum value of |z|, when z satisfy the condition |z + 3/z|=3 ?
This question is from complex numbers.
Follows • 3
Expert Answers •2

05/08/16

in rolling two dice, a player can win by turning up a sum of 6 before a sum of 7 in successive rolls. what is the probability of winning?
I'm having trouble with this question
Follows • 2
Expert Answers •1

04/26/16

What is the molecular formula of SxFy ?
General formula : SxFy One of the compound is 25.23%S. If you place 0.0955 of the compound in a 89 mL flask at 45 degree celcius, the pressure of the gas is 83.8mmHg. What is the molecular formula ?
Follows • 2
Expert Answers •1

04/21/16

Solve the differential equation y= 2xv1-y2
a. Solve the differential equation y= 2x√1-y2b. Explain why the initial value problem y =2x√1-y2 with y(0) = 3 does not have a solution.
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.