Tuesday
June 18, 2013

Posts by SAM


Total # Posts: 3349

Financial Math Help? (Determine compound period)?
Future value of a $200 deposit in an account that earns 6.25% annual interest is $272.71 after 5 years. Determine the compounding period for this investment. My work: PV=FV(1+I/n)^ (-n) 200=272.71(1+0.0625/n)^-5n log0.73=log(1+0.0625/n)-5n This is where I got stuck. No idea ho...

Maths
Hi, I am just doing some maths revision in light of my maths GCSE resit, which is very soon. I am sitting the higher paper for the first time, so some of the questions towards the end of the paper are very testing of my knowledge. At the moment I am going over past papers and ...

english 2
The paragraph below needs to be made more coherent. Use repetition, synonyms, and pronouns to link the sentences. Type the improved paragraph in the space provided on the following page Many cities are easily distinguished by their skylines. In such cities--New York and Paris,...

Math (Circles)
Ok thats what I thought...thanks!

Math (Circles)
True or False If two circles have 4 common tangents, then the two circles intersect.

Geometric Series question? Help!?
A bouncy ball bounces to 2/3 of its height when dropped on a hard surface. Suppose the ball is dropped from 20 m. What is the height of the ball after the 6th bounce? Answer = 1280/729 m OR 1.75 m What is the total distance travelled by the ball after 10 bounces? 98.6 m So, I ...

Calculus
At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 24 knots and ship B is sailing north at 19 knots. How fast (in knots) is the distance between the ships changing at 6 PM?

chem
At a pressure of 2 atm, hydrogen gas occupies a volume of 8 L. What pressure must the gas be under if the volume is increased to 10 L? Don't forget the units. im confused on how to set it up and plug the numbers in?

probability
a spinner has 5 sections and is spun 40 times. it lands on 2 six times. What is probability of spinning a 2?

science
where does the energy needed to heat up cold water come from?

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