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December 21, 2014

Posts by norman


Total # Posts: 17

Calculus Help Please!!!
Find dy/dx for the following: a. y = x^π b. y = π^x c. y = x^x d. y = π^π e. xy = π
April 8, 2014

Math
Ok
January 29, 2013

math
The solution to the equation 3/8 = 5/16+x-1, how do you obtain the answer x = 17/16
January 9, 2013

physics
34,000m
April 3, 2012

electricity and electronics
when all parts oof a circuit are composed of conducting materials,the circuit is said to be A.parallel B.shorted C.open D.closed
February 7, 2012

physics
Suppose that you’re facing a straight current-carrying conductor, and the current is flowing toward you. The lines of magnetic force at any point in the magnetic field will act in A. the same direction as the current. B. a clockwise direction. C. the direction opposite to...
February 6, 2012

chemistry
which of the following will result in a chemical change?A.melting ice to obtain water B.evaporating alcohol into vapor.C.drying wood in ashed D.burning coal in a furnace
February 5, 2012

physics
Stickman is driving a dragster. He does the quarter mile in 4 seconds and at the finish line is speed is 100m/s. He deploys his parachute after he crosses the finish line and wished to slow to a speed of 10m/s in 10s. What diameter parachute does he need if the drag force is ...
October 1, 2011

light
Which of the following values represents an index of refraction of actual material?A.0 B.1/4 C.1/2 D.5/4
September 27, 2011

math
an oceanographic research vessel comes across a volcano under the sea. The top of the volcano is 450 ft below the surface and the sea floor is -6700 ft. What is the height of the volcano. I believe it would be -6250ft..is this true
October 21, 2010

Math Help
How can you turn this word problem into an equation: One number is twice another number. The larger number is also 32 more than the smaller number.
July 2, 2010

Chemistry
The substitution of a monosubstituted benzene is regioselective. If it had been completely random, what would you expect the ortho:meta:para product ratio be? And why?
May 24, 2010

Ap Chemistry
thank you, i understand now! that was so much clearer than my instructor's explanation.
April 22, 2008

Ap Chemistry
Hi, I'm working out this question for homework, but i'm a little stuck. How many g of sodium hydrogen carbonate (NaHCO3) and 4.836 g of sodium carbonate must be dissolved in 750 mL of H20 in order to make a buffer with a pH of 10.27?? the ka of sodium hydrogen ...
April 22, 2008

Math
John's present age is five years more than thrice the present age of his son. Five Years hence, John's age will be fifteen years more than twice the age of his son at that time. Find the present age of John and his son. J=3*S +5 J+5=15+2*(S+5) Find J
July 5, 2007

math
can anyone help with this? suppose you bought some 32 cents stamps and some 20 cents stamps. you spent $3.92 for 16 stamps. how many of each stamp did you buy? i got the equation--.32x + .20y = $3.92 but don't know how to solve for x and y Step 1: Solve for y in equation (...
February 1, 2007

math
suppose you bought some 32 cents stamps and some 20 cents stamps. you spent $3.92 for 16 stamps. how many of each stamp did you buy? i got the equation--.32x + .20y = $3.92 but don't know how to solve for x and y what class/level is this for 8th grade math
February 1, 2007

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