Saturday
May 25, 2013

# Posts by colin

Total # Posts: 83

AP Chemistry
thank you that was the only one that i couldn't get. that and number 7. im a little confused on how somebody could do that?

AP Chemistry
thank you that was the only one that i couldn't get. that and number 7. im a little confused on how somebody could do that?

AP Chemistry
The Synthesis of an Iron Oxalato Complex Salt (“Green Crystals”) In this experiment you will synthesize a compound that will contain the elements potassium, iron, carbon, hydrogen, and oxygen. Carbon and oxygen will be present in the compound as oxalate (C2O4-2) wher...

math
The height, h(t), of a projectile, in metres, can be modelled by the equation h(t) = 14t – 5t2, where t is the time in seconds after the projectile is released. Can the projectile ever reach a height of 9m? Explain.

Math
We are having an issue trying to solve for purple...

Math
A toy train has 20 cars- blue, purple and orange. There are 4 times as many blue cars as purple cars. There are 5 times as many orange cars as purple cars. How many of each color are there?

maths
Marie can afford a \$250 per month car payment. She’s found a 5 year loan at 7% interest. a. How expensive of a car can she afford? b. How much total money will she pay the loan company? c. How much of that money is interest?

maths
How much money will I need to have at retirement so I can withdraw \$60,000 a year for 20 years from an account earning 8% compounded annually? a. How much do you need in your account at the beginning b. How much total money will you pull out of the account? c. How much of that...

maths
You deposit \$1000 each year into an account earning 8% compounded annually. a. How much will you have in the account in 10 years? b. How much total money will you put into the account? c. How much total interest will you earn?

maths
How much would you need to deposit in an account now in order to have \$20,000 in the account in 4 years? Assume the account earns 5% interest.

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