Wednesday
December 7, 2016

Posts by pk

Total # Posts: 18

Maths Ratio and Proportion
Q- If 5 men or 7 women can earn Rs. 875 per day, how much 10 men and 5 women earn per day? Q- A photograph of bacteria enlarged 30000 times attains a length of 3 cm. Find the actual length of bacteria. Q- Rashmi types 510 words in half an hour. How many words would she type in...
November 24, 2016

math
a blacksmith has a rectangular iron sheet with the length of 10 cm. he has to cut out 7 circular disc of radius 1 cm. what is the minimum width of that rectangular sheet?
October 20, 2016

Math
If sec (t) = 13/12 then,find the value of cos (t)
November 28, 2015

math
0.1818
May 19, 2013

Chemistry
2 years later and you guys are still saving my ass. Thank you :)
January 30, 2013

Algebra2
Square both side first 2x)^1/2^2=(x-4)^2 2x=x^2-8x+16 subtract 2x from both sides x^2-10x+16 now FOIL (x-8)(x-2)
March 13, 2012

math magic box
8 1 6 3 5 7 4 9 2
March 1, 2012

statistics
The population standard deviation (σ) for a standardized achievement test that is normally distributed is 8.    a.) Calculate the standard error of the mean if you draw a random sample of 50 test scores.  Show your work for full credit .  . ...
February 21, 2012

Math - Expected Value
If you select a chip at random from a jar with 7 red, 2 green and 1 blue chip. If the chip you pick is red, you win \$10,000, if it is green, you wil \$20,000 and if it is blue, you lost \$100,000. What is your expected value of this game?
January 9, 2012

school
determine the final concentration of a 20.ml 5.M NaCl solution if 30Mml of water has is added to the solution?
December 11, 2011

Chemistry
determine the final concentration of a 20.ml 5.M NaCl solution if 30Mml of water has is added to the solution?
December 11, 2011

science
Describe the plant life, animal life, and geology of the ecosystem in the area in which you live. I live in Northern Illinois. What populations and communities are present? How dependent is your community on this ecosystem? What are the limiting factors of the ecosystem?
June 29, 2011

English
looks good and sounds great, not bad for not being good with writing and English.
March 24, 2011

what does the value of G=6.67e-11 tell us about the force of gravity
October 17, 2010

physics
actually, 0.25 with sig figs is 0.3 m/s^2, which is the correct answer.
March 20, 2009

physics
since acceleration = Net force/ mass, plug in 25 N for force and 100 kg for mass you will get 0.25 m/s^2
March 20, 2009

Health
Can you name healthy snacks that start with Q, U and X? Thanks. quick milk uberlicious milk x-ray milk
August 30, 2006

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