Wednesday
June 19, 2013

# Posts by Zahra

Total # Posts: 41

math
Yeah,486 students attend Polk Elementary School.

Physics
A laser beam of light csn be bouncedoff the Moon (from a special mirror left there by astronauts). The light travels there and back in 2.6 seconds. What is the distance to the Moon?

Biology
What conditions must be kept constant for a fair test for the amount of carbon dioxide against the rate of photosynthesis of pondweed

Physics
Suppose you have a perfectly spherical water tank with an inside diameter of 8.6 metres. If the drain at the bottom of the tank can't handle a hydrostatic pressure of more than 50 kilopascals, what is the maximum volume of water, in litres, that can be contained in the tan...

math!
To find LCM you must list some of the multiples of the numbers and then find the ones that match which are the same. eg: Find the LCM of 3 and 5 multiples of 3:3,6,9,12,15 multiples of 5:5,10,15,20,25 So,as you can see the LCM would be 15

social studies
o ok thanx

social studies
i hve to write a summary of a 20 min. video

social studies
whats a summary and how do i write one

math
i want to know what time it is

Math
lol lol lol lol lol lol lol lo lol lol lo lol lol ollo lo lo

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