Wednesday

July 30, 2014

July 30, 2014

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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