Tuesday
September 30, 2014

Posts by Plshelp


Total # Posts: 17

Chemistry
-A sample consist 90% NaOH and 10% CaO,whats the concentration of NaOH in the solution of this 3g sample,dissolved in 250cm3. -How many cm3 of H2SO4 with concentration of 0.255M are needed for titration of 100cm3 of this solution
September 4, 2013

Maths
Solve the indifinite integral: f(5x+3)7 dx
August 20, 2013

Math
Find the intervals which proves that function is upward/increase. a) f(x)=1-x2 b) f(x)=x2-2x
August 20, 2013

Maths
Steve thanks very much, may i have your email id so i can ask a question with integrals/limits which i cant write here
August 20, 2013

PHYSICS
At what angle should you launch a projectile from the ground so that it has the greatest time of flight?
March 10, 2013

Math
What does n-2 means? Does it means a number subtract by 2. Please help. Thank you.
October 17, 2007

Math
Still have trouble with this question. If four dice are rolled what is the possible outcome? Could it be something out of 24? Thank you for your help.
September 17, 2007

Math
There are 4 quarterbacks and 6 centers on a football team that has 60 players. How many quarterback-center pariing are possible? I think there would be 4 possible but don't know if this is correct. Please help! Thank you in advance.
September 17, 2007

Math
I'm stuck! Please help me with this problem. Thank you.
September 17, 2007

Math
I don't know, the question said 4 dice are rolled. I need to find the possible outcome for that question. My answer is 4 over 6 or 4/6 reduce to 2/3. Please let me know if this is correct or not.
September 17, 2007

Math
4 dice are rolled. What is the possible outcome for each event? Confused!!! Would you get an outcome of 4/6 or 2/3 Please HELP me!!
September 17, 2007

Math
Could you help me with this? If there are penny, nickel and a dime are tossed what are the outcome for eact event? Pls help, Thank you. 1/3 for each coin.
September 17, 2007

Math
If there are 4 dice are rolled, what are the possibe outcome for the each event? Could you show me some example how to figure out the outcome? Pls help, Thank you.
September 17, 2007

Math
A number cube is marked with 1,2,3,4,5, and 6 on its faces. Suppose you roll the number cube one time. Find the probability of each event. #1. P(4) #2. P(4,5, or 6) #3. P(3 or 5) Could someone let me know if these are correct, THANK YOU! #1. 1:6 1/6 1 to 6 #2. 1:2 1/2 1 to 2 #...
September 14, 2007

English
Could you help me with some antonyms for attainment? Thank you.
September 10, 2007

English
Could you give me some examples of resourcefulness.
September 10, 2007

English
What are the synonyms and antonyms for the word resourcefulness? Thank you.
September 10, 2007

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