Saturday
April 19, 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

Maths
Solve the indifinite integral: f(5x+3)7 dx

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

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

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

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

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.

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.

Math
I'm stuck! Please help me with this problem. Thank you.

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.

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!!

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.

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.

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 #...

English
Could you help me with some antonyms for attainment? Thank you.

English
Could you give me some examples of resourcefulness.

English
What are the synonyms and antonyms for the word resourcefulness? Thank you.

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