12/26/16

determining subspaces
determine if {A ∈ M3x3 (R) : Tr(A) = 0 } is a subspace of M3x3 (R)
Follows • 2
Expert Answers •1

12/26/16

determining the span
Consider the vectors u = x2+ 2x + 3 , v = 2x2 + 4x + 5 in R[x]. Decide if w = 2x2 + 4x + 5 is in the span of u and v. 
Follows • 2
Expert Answers •1

12/26/16

The dimension of a rectangular plot.
The dimension of a rectangular plot is (7p+4q) and (2q+8p) units respectively.Find the area of the plot when p=2 and q=1.
Follows • 3
Expert Answers •2

12/26/16

What is the best way to sell one product online, website, email, or a landing page?
I have a product that I innovated, as a small item made out of spandex material.. Having just one item I'm not sure what platform to use to sell it.   In a catagory it would fall under (Travel... more
Follows • 2
Expert Answers •1

12/23/16

A washing machine uses 8 4/5 milliliters of detergent to wash 1/3 of a full load of laundry.how much detergent is used for a full load of laundry
Please help me solve this as soon as possible
Follows • 2
Expert Answers •1

12/23/16

transmission lines
Suppose a company decides to ship 150 000 W over 2.0 Ω transmission lines at 560 V. a) How much power is lost? (and.I = 143,498 W)b) What is the efficiency of transmission?(ans. η = 4.3%)c) Compare... more
Follows • 4
Expert Answers •2

12/22/16

need help finding all values of j in quadratic 7x^2+4x+j=0. How do I know if <,> or =
with parameter
Follows • 3
Expert Answers •2

12/22/16

Tenochtitlan, one of the most spectacular archaeological sites in the world, provides an excellent example of Inca architectural planning, true or false?
Tenochtitlan, one of the most spectacular archaeological sites in the world, provides an excellent example of Inca architectural planning.   true or false?
Follows • 2
Expert Answers •1

12/22/16

Why was North carolina upset with great britan
I have this test i dont know and i need your hlep
Follows • 2
Expert Answers •1

12/21/16

Kirchhoff's Laws
The voltage provided by the battery for the circuit powering two lamps in series is 6 V. If one of the lamps has a voltage of 2 V, what is the voltage across the other?
Follows • 3
Expert Answers •2

12/21/16

Is the salt in saltwater was seperated into its 2 base elements. Would it react with the h20
Okay so lets say i have a 1 gallon jog of saltwater. Is there a way to add or change the water in someway to seperate the sodium chloride in to its 2 base elements while still in the water and then... more
Follows • 2
Expert Answers •1

12/21/16

Assume that an airplane is flying toward you at a constant height, h miles and at a speed . When the plane is x miles away, what is the rate of change of θ?
I am given the diagram of a right triangle with x and h representing sides a and b, and the information that tan(θ) = h/x. How do I solve for dθ/dt?
Follows • 2
Expert Answers •1

12/20/16

Why didn't Lincoln get the chance to propose his 10% plan
Lincoln never did get to propose this plan to America 
Follows • 2
Expert Answers •1

12/20/16

Physics. The Bohr hydrogen atom
Determine all possible wavelength of photons that can be emitted from the n=4 state of a hydrogen atom.
Follows • 2
Expert Answers •1

12/19/16

Thermodynamics
A gas expands from 3 dm3 to 5 dm3 against a constant external pressure of 3atm. The work done during expansion is used to heat 10mol of water at 290 K. Calculate the final temperature of water. Sp.... more
Follows • 3
Expert Answers •2

12/16/16

a COMPLICATED ALGEBRA QUESTION
Mervin tells Aquilla that he has a bag with very small rocks in it. She asks how many, and he says that if you add one hundred million very small rocks to the bag, it will contain 36 more very... more
Follows • 2
Expert Answers •1

12/16/16

What does minus 700 percent
How can you get to a negative percent change.   If you loose 100 percent you have lost everything.   How can you loose minus 100 percent?
Follows • 4
Expert Answers •3

12/16/16

What is the ordered pair for 3y − 3x = 12?
Thank you for your time to read this, this question has been bugging me for some time. 
Follows • 3
Expert Answers •2

12/16/16

four times a number increased by 25 is 13 less than six times the number. find the number
i think i know how to set the problem up i'm just not 100% sure and don't want to get it wrong. 
Follows • 2
Expert Answers •1

12/16/16

What does tan(90degrees-x) equal to
I do not understand what tan(90degrees-x) is equal too. I understand how cos(90degrees-x is equal too sin x but I do know know what tan(90degrees-x) is equal to
Follows • 3
Expert Answers •2

12/16/16

Factor this expression far as possible
factor -81y as far as possible please.
Follows • 4
Expert Answers •3

12/15/16

Vector physics help!
Suppose a body has a force of 10 pounds acting on it to the right, 25 pounds acting on it -135° from the horizontal, and 5 pounds acting on it directed 150° from the horizontal. What single force... more
Follows • 2
Expert Answers •1

12/15/16

What's the function
the zeros are : 0,6i , -6i    and i think the factors are :  X(x+6i)(x-6i)
Follows • 2
Expert Answers •1

12/15/16

A record for free-fall to the ground without a parachute is 311 ft. How long did the fall take? Use formula 5=16t^2,where is the distance in feet
I need help with this problem
Follows • 2
Expert Answers •1

12/15/16

If vector v has an initial point and a terminal point write v as multiples of the basis vectors, write v in the form v = ai + bj.
If vector v has an initial point at P1 and a terminal point at P2, write v as multiples of the basis vectors i = <1,0> and j = <0,1> That is, write v in the form v = ai + bj.   P1 =... 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.