Tuesday
September 30, 2014

Posts by alina


Total # Posts: 26

Math
A flagpole casts a shadow 30 feet long. A 5 foot woman standing next to the flagpole casts a shadow 6 feet long. How tall is the flagpole?
December 3, 2013

computer
My laptop comes on but the screen is blank. The lights are lighting and the fan is running.what could be the problem?
June 20, 2013

maths
80% of the students who attended a concert came from the city. Of these, 70% were girls. If 150 boys came from the city, how many students attended the concert?
June 19, 2013

Trigonometry
29.3
February 4, 2013

math
What is equivalent to 11/22
January 31, 2013

math
What is equivalent to 11/22
January 31, 2013

math
how do u find the second derivative?
October 22, 2012

math
Find the second derivative. f(x)=(2x^2+4)^7/2
October 22, 2012

math
The total weekly cost (in dollars) incurred by Lincoln Records in pressing x compact discs is given by the following function. C(x) = 2000 + 2x - 0.0001x^2 (0≤x≤6000) (a) What is the actual cost incurred in producing the 1071st and the 1891st disc? (Round your ...
October 18, 2012

Human Biology
Starting with the right ventricle of the heart, describe the function of the heart and the movement of the blood through the pulmonary and systemic circuit. Include a description of gas exchange within the lungs. Now consider what happens if Jake starts smoking. Discuss in ...
April 25, 2012

math
Arrays and a Expanded Algorithm How I do23x17.
April 18, 2012

physics
A ball of mass 540 g hangs from a spring whose stiffness is 155 newtons per meter. A string is attached to the ball and you are pulling the string to the right, so that the ball hangs motionless, as shown in the figure. In this situation the spring is stretched, and its length...
February 29, 2012

Math
lol i xcant u dume ass
February 21, 2012

math plz help
you just divide 28.50 by 3 and the sum is the answer i am in fifth grade dude
February 17, 2012

math: elapsed time
45
February 15, 2012

Life orientation
Two community organistions that are giving redress to enviromental or humam factor that cause ill health
July 24, 2011

Chem
A 1.00-mole sample of ammonia at 13.0 bar and 20°C in a cylinder fitted with a movable piston expands against a constant external pressure of 1.00 bar. At equilibrium, the pressure and volume of the gas are 1.00 bar and 22.0 L, respectively. a) calculate final temperture b...
January 25, 2011

Physics
What is the power output of an engine the does 60,000J of work in 10s?
December 19, 2010

Physics
A mine shaft is known to be 57.8 m deep. If you would drop a rock down the shaft, how long would it take for you to hear the sound of the rock hitting the bottom of the shaft knowing that sound travels at a constant velocity of 345 m/s? The answer is 3.60s, but I need the ...
October 12, 2010

Physics
A mine shaft is known to be 57.8 m deep. If you would drop a rock down the shaft, how long would it take for you to hear the sound of the rock hitting the bottom of the shaft knowing that sound travels at a constant velocity of 345 m/s? The answer is 3.60s, but I need to work ...
October 11, 2010

health
which president added the consumer right to education to the consumer bill of rights?
July 12, 2010

ELA
Website For Grammar Lessons 6th grade????....
May 20, 2010

writing
topic sentence for : a specific sport
February 14, 2010

adult education
d d b d d b d b c b c c c d c c d a b b
January 25, 2009

Physics EM
Consider the fractional error as a = (V-V_v)/V where a is equal to the 0.03 (because in this question the percent error is 3.00%) You should know from Kirchhoff's rule that the Electric potential difference is V=I(R_b+R_v) You also found out that Elec. Poten. diff. with ...
March 10, 2008

I need help
Answer the following questions: i.Which factors are important in multitasking for thread initialization? ii.What is the use of program segment prefix and where is located. iiiWhat is the difference between the interrupt routine and the strategy routine? iv.Which bit of modem ...
January 26, 2007

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