07/19/15

if one root of the equation 2x^2 + bx+16=0 is square of other value of b is.
in this question there are two variable but i want to find b.
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07/19/15

solid geometry
A hut is in the shape of hemisphere surmounted on a cylinder the diameter of the base is 42m what is the area of the canvas required to cover the hut , if the maximum height of the hut is... more
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07/18/15

Physics: Multiple Choice:
Because of friction pendulum clocks need a small driving force, if accidentally it was too large of a driving force and caused a bit too large of an angle of oscillation to be formed what would... more
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07/17/15

Probability topic
3 cards are drawn at random successively with replacement from well shuffled cards .getting a card of "diamond is treated as success ".what is the sum of Probability of which random variable 'x'... more
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07/17/15

Using the Rydberg formula, find the wavelength of the line in the Balmer series of the hydrogen spectrum for m = 4.
a. 4.86x10-7 m b. 3.54x10-8 m c. 2.43x10-7 m d. 4.86x10-5 m
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07/17/15

solve by the elimination method 3x-2y=12, 5y=-11-2x
1. solve by the elimination method 3x-2y=12, 5y=-11-2x   2. solve t^2+6t=16   3. Perform division x^3+8/x+2   
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07/17/15

Find the level of production per week that will maximize total revenue, and determine the maximum revenue per week.
Through a series of marketing pilot programs, the marketing department determines the demand function for a small computer company’s premier laptop is q=-p/6+400, where p is the price (in dollars)... more
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07/16/15

Physics-Conservation of energy and charge
A small ball has a mass of 5.0 x 10-8 kg and a charge of 0.0 x 10-5 C. It enters a box with an initial speed of 1.2 x 104 m/s. The point where the charge leaves the box is at a voltage 350 kV... more
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07/16/15

set up dont solve
set up dont solve. the texas technical institute for turtle tutelage offers classes in language, mathematics, and physics. language courses are worth 3 credit , math courses worth 4 credit , and... more
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07/16/15

Evaluate limit [tln(t)] as t approaches 0
Evaluate limit [tln(t)] as t approaches 0
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07/15/15

Probability topic
if R and E are independent events then P(R∩E)=0.36 then which of the following could be Probability R   (a)0.3 (b)0.35 (c)0.4 (d)0.6 (e)0.9
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07/13/15

Mary ran for 3 1/2 h at a speed of 7km/h. She then ran a distance of 12 1/2 km. She took 6 hrs altogether.Find her running average speed.
Pls ans asap.
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07/13/15

What differences are there_________(among/between/beside/with) the english spoken in the UK and the english spoken in the US
Need to know answers for the particular questions
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07/13/15

Ammonia sulfate (NH2)2SO4 is used in fertilizer. What is the mass percent compostionof (NH4)2SO4?
I don't khow what I'm doing wrong   
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07/12/15

Suppose g(x)=ln(ln(ln(f(x)))), f(4)=A, and f'(4)=B. Find the derivative dg/dx||||x=4. g'(4)=?
I need help pleaseee
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07/12/15

trigonometry
Sketch a triangle with a hypotenuse square root of 193 and legs 12 and 7 units. Find the six trigonometric function values of the smallest angle theta. 
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07/12/15

Programming with C(for loop)
A school teacher needs to find the summation of two test marks, test 1 and test 2 for each students in his class. There are n numbers of students in his class. The school teacher also needs to get... more
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07/10/15

Find the height of a tower
3) From a point A due north of a tower the angle of elevation to the top of the tower is 45 degrees. From a point B, 100m on a bearing of 120 degrees from A the angle of elevation is 26 degrees.... more
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07/09/15

Converting to Spherical coordinates and Solving the Triple Intergral
  Convert the integral ∫(-1 < x < 1)  ∫(0 < y< sqrt(1-x2)  ∫(( -sqrt(1-x2-y2) < z < 0)      z2(x2+y2+z2)^(1/2)    dzdydx   into an equivalent integral in spherical coordinates... more
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07/09/15

solve this as quick as possible
One seventh of a number added to one third of the same number is 6/7 .Find the number. Express your answer as a fraction in simplest form.
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07/09/15

if you throw a ball up and in 1 second its at 121ft and at 2 seconds its at 224 feet how high will it be at 3 seconds
its a math question that im stuck on i need help asap! please help me!!!!
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07/09/15

clear doubt for only word problem experts
A and B are two alloys of gold and copper prepared by mixing metals in the ration 7:2 and 7:11 respectively. if equal quantities of the alloys are melted to form a third alloy C the ratio of gold... more
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07/09/15

What is the solution to the following system? 2x + y = 3 4x + 2y = 6
just trying to find out
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07/08/15

18-7x= -20.5 what is the value of x
i take online summer school and im really stuck please help
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07/08/15

If v(y-v(y-v(y…8 )) ) = v(x+v(x+v(x+..8)) ) find dy/dx
how to do this sum? If √(y-√(y-√(y…∞ )) ) = √(x+√(x+√(x+..∞)) ) find dy/dx
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