Tuesday
November 25, 2014

Posts by Benny


Total # Posts: 29

Calculus
Use Newton's method with the specified initial approximation x1 to find x3, the third approximation to the root of the given equation. (Round your answer to four decimal places.) 1/3x^3 + 1/2x^2 + 8 = 0, x1 = −3 I got -3.4808, but it's wrong. Help?
November 4, 2014

consumer math
Tim Worker buys a new sofa for $629.95. He pays 25% down and takes an installment loan to complete the purchase. He makes 12 payments which include his principal and a $60.00 finance charge. What is the APR on his loan to the nearest tenth? The down payment is $ The amount ...
April 16, 2014

Chemistry
if the pressure read by the barometer is 0.882atm, what is the height of the column of mercury in cm?
March 25, 2014

math
Calculate (a) the total installment price, (b) the carrying charges, and (c) the number of months needed to save the money at the monthly rate to buy the item below for its cash price (remember to round up). A bicycle with a cash price of $500, offered on the installment plan ...
February 27, 2014

Physics
How many joules would be required to raise the temperature of 20g of ice at oC to water at15C?
January 16, 2013

Dynamics
A pelton wheel attains its operating speed of 800 rev/min% determine constant angular acceleration of pelton wheel
July 30, 2012

Dynamics
A 1500 kg automobile is traveling upto 20 deg inclined at a speed of 6 m/sec. If the driver wishes to stop his car in a distance of 5m,determine the frictional force at pavement which must be supplied by rear wheels.
July 30, 2012

math
simplified version of (3x-5)^2
January 1, 2012

computers
Recall that with the CSMA/CD protocol, the adapter waits K.512 bit times after a collision, where K is drawn randomly. For K = 100, how long does the adapter wait until returning to Step 2 for a 10Mbps Ethernet? For a 100 Mbps Ethernet? Can anyone help me with the formula to ...
November 26, 2011

chemistry
Determine the oxidation state for the second element in Zn3(PO4)2 Thank you!
September 30, 2010

physics
Explain why the pressure at depth h in a stationary fluid is `rho g h.
April 7, 2010

physics
Water is descending in a vertical pipe of diameter 7 cm and open to the atmosphere. At a lower point the water flows into a smaller pipe of diameter .84 cm. At a certain instant the depth of the water just above the narrowing point is 30 cm and the water is moving at 135 cm/s...
April 6, 2010

Physics
Air passes over the top of an airplane wing at 235 m/s and over the bottom at 190 m/s. If the wing has area 10 m^2, how much lift results?
April 6, 2010

Physics
Explain why the pressure at depth h in a stationary fluid is `rho g h.
April 6, 2010

Physics
The masses of 1 mole of various gases are as follows: hydrogen about 2 grams, helium about 4 grams, nitrogen about 28 grams, oxygen about 32 grams and carbon dioxide about 44 grams. On the average how fast does a molecule of each gas move at 333 Celsius?
April 6, 2010

Math Algebra
-4x(2x - 4) - 3 - 5x
September 9, 2009

Ratio
simply just wat is says above 168
November 28, 2008

Writing
I am trying to write an essay on What ideas are true/untrue of the North.What do it means by ideas. Help??
September 26, 2008

8th grade Social Studies
Did you know that every time you social, that you are really saying socalie? is this true cuz my teacher said it was on the board.....
September 20, 2008

ALGEBRA TWOO
* = square root!! ^2*x^5 / x^(-5/2) = ??
May 31, 2008

Algebra 2222
got it! thanks
May 31, 2008

Algebra 2222
One factor of x^3+2x^2-11x-12 is x+4. Find the remaining factors. a. x+1, x+3 b. x-1, x+3 c. x+1, x-3 d. x-1, x-3
May 31, 2008

Algebra 2
Solve -x^2=4x by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located.
May 28, 2008

Algebra 2
Which quadratic function has its vertex at (2,3) and passes through (1,0)? a. y = 2(x-2)^2+3 b. y = -3(x-2)^2+3 c. y = -3(x+2)^2+3 d. y = 2(x-2)^2-3 Could you explain why you got your answer, too?
May 28, 2008

Geometry
Find the area of a triangle whose vertices have coordinates (2,-5), (6,1), and (-3,-4)
May 28, 2008

ALGEBRA 2 (matrix equation)
MATRIX EQUATION [ 3x ] [ 10+2y ] [ y ] = [ 5-x ] Solve for x.
May 28, 2008

french!
Vous ne grossissez pas parce que vous faites des sports.
May 13, 2008

Algebra 2
4t^2-4/9(t+1) * 3t+3/2t-2
May 13, 2008

Chemistry
Plutonium-239 is used in nuclear bombs. Determine the number of protons and neutrons in plutonium-239. I really don't understand this. Can someone tell me how to do this? thanks What is the atomic number of Pu? Look it up on the periodic table...that is the number of ...
February 8, 2007

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