# Posts by kadeem

Total # Posts: 3

**Math Statistic**

Toss a coin 3 times. Let x be product of (# of H)*(# of T). Find 1. P(X>1)= 2. Var(X)=

**physics**

Bob shoots an arrow straight up into the air at 78.5 m/s. 1)What is the maximum height of the arrows flight? 2)How long is it in the air?

**Chemstry/(microsoft excel)**

I am having a hard time solving this problem. The formula given is: T=Tin - (Tin - Tinit.)e(-v/v)t If the initial temperature Tinit is 115 (degrees F), the cold water temperature is 35 (degrees F) (1.7 degrees C), and the volume and volumetric flow rate are 3,000 liters and ...