Wednesday
May 22, 2013

# Posts by alyssa

Total # Posts: 463

algebra
Use the following situation to answer the next four questions. The formula for these questions came from the police department. They use this formula to determine the speed at which the car was going when the driver applied the brakes, by measuring the distance of the skid mar...

math
Use the following situation to answer the next four questions. The formula for these questions came from the police department. They use this formula to determine the speed at which the car was going when the driver applied the brakes, by measuring the distance of the skid mar...

math
Use your graphing calculator to find how many seconds before the projectile hits the ground. Let y1 = −16t2 + 800t, or factor and solve for t algebraically

math
The length of a rectangle is 3 inches more than its width. If the area of the rectangle is 180 square inches, write an equation for the above situation

math
In a large city league, the boys' baseball teams hold a tournament. If there are 40 teams in the league and half of the teams are eliminated in each round of games, how many teams are left after 3 rounds?

Math
Divide 186 marbles between DON and ANDRE so that DON gets twice as many as ANDRE.:(

Chemistry
Cocaine is a non-electrolyte that has a molecular weight of 303.4 g/mole. How many grams must be dissolved in 25.0 mL of Chloroform (density = 1.484 g/mL) to raise its boiling point to 65.5 Celsius? The boiling point of pure Chloroform is 61.2 Celsius. Kb Chloroform = 3.62 Cel...

calculus
the area of the first quadrant bounded by the y-axis, the line y=4-x, and the graph of y=x-cosx is approximately

chemistry
An aqueous salt solution is formed by adding 11.67 g sodium sulfate (solute) to water (solvent). What mass (in g) of water is used if the freezing point of the solution is -12.9 oF. Kf H2O = 1.86 oC/m I know to use delta T= i*Kf*m I then solve for m. But, then I'm confused...

calculus
the area of the first quadrant bounded by the y-axis, the line y=4-x, and the graph of y=x-cosx is approximately

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