Saturday
October 25, 2014

Posts by gina


Total # Posts: 506

Easy Math
The number of positive integers that are less than 500 and that are not divisable by 2 or 3 is? There are 250 divisible by 2, 166 divisible by 3 and 83 divisible by both. So 250 + 166 - 83 = the numbers divisible by 2 or 3, without double counting. Subtract that number from ...
October 7, 2006

Easy Math
This seems like an easy question yet I am not able to comprhend. Question: Inher latest game, Mary bowled 199 and raised her average to 179 from 178. To raise her average to 180 with the next game, what must she bowl? Her average was 178. The average is the sum of the scores ...
October 7, 2006

Fractions and Integers
If x/4+y/5=19/20 where x and y are positive integers then x+y is? If you multiply through by 20 then you'll have 5x+4y=19 where x and y are positivie integers. Can you solve that? Hint: you only need to look at the integers less than 4. Thanx a lot.
October 7, 2006

MATH
If k=-4 then the value of (2k)^3-2k^3 is? Nevermind. That was an easy question. I got it. If you would still like to answer go ahead. It will help verify. subts k= -4 in where you see K kinda simple it should look like 2(-4)^3 - 2(-4)^3 You can do the rest Thanx Kim.
October 7, 2006

Easy Math
Find the only integer between 1500, and 2500 which is ans integral multiple of both 2 to the power of five and 2 to the power of 5 subtract 1. 2^5 = 32 2^5 - 1 = 31 However, 32 x 31 = 992, which is not between 1500 and 2500. Multiplying again by either term gives you a product...
October 7, 2006

science
I needed Help With This one too.:) The answer is ocular, or ocular lense. Im not sure what it means, tho. Hope this helped!!
September 12, 2006

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