-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
Solve the indifinite integral: f(5x+3)7 dx
Find the intervals which proves that function is upward/increase. a) f(x)=1-x2 b) f(x)=x2-2x
Steve thanks very much, may i have your email id so i can ask a question with integrals/limits which i cant write here
At what angle should you launch a projectile from the ground so that it has the greatest time of flight?
What does n-2 means? Does it means a number subtract by 2. Please help. Thank you.
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.
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.
I'm stuck! Please help me with this problem. Thank you.
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.