Ok...I get it. Thanks.
The percent decrease from 5 to 4 is how much less than the percent increase from 4 to 5? A. 0% B. 5% C. 15% D. 20% E. 25%
Oh...okay. Thanks for the help.
If θ represents an angle such that sin2θ = tanθ - cos2θ, then sin θ - cosθ = A. -√2 B. 0 C. 1 D. 2√2 What equation can I use to solve this problem?
A gas is sealed in a container with rigid walls that allow heat to flow through them. A thermal process takes place on the gas. What would be the best model for the type of process?
how many gram of NaNO3 are in 25cm3 of 0.01m NaNO3 solution?
A large air-filled 0.1-kg plastic ball is thrown up into the air with an initial speed of 16 m/s. At a height of 4.7 m, the ball's speed is 5 m/s. What fraction of its original energy has been lost to air friction? (Note that the initial height is taken to be zero.)
« If the city spends $145,000 on promotional expenditures. What will be the projected attendance at 95% confidence level?
Please help. Concentrated hydrochloric acid is a 38% w/w solution of HCL in water and has a density of 1.18g/ml. How many millilitres of concentrated hydrochloric acid are needed to prepare 500ml of a 1:200 w/v HCL solution? My answer is 2.12ml. I'm not sure if its correct...