# Posts by raluca

Total # Posts: 31

Math
Find the POI (point of intersection) for the following set of lines: y=4x-1 and y=3x+4 I know how to plot them on a graph, and find out the POI that way, but how can I find the POI through an equation?

math
(6c+3d)(7c-2d) how do i do this?

math
Simplify: 8t+12 _______ 4

Math
1.8L

Laws of exponents - math
7x^6y^3(-4xy^2)^2

math
thank you!

math
6-(x-1)=3(x+9) find x how do I do the part before the equal sign?

math
omg! thank you! i get it now! :D

math
simplify: 7y-3y-x^2+4x^2 how do i add x^2 to 4x^2? what will the result be? i know that 2x^2-x^2 = x^2....but not how to do the above

science
" Use the words mass, volume, and density to distinguish between gases, liquids, and solids in terms of the particle theory of matter." I don't understand what to do. Am I supposed to describe the mass, volume, and density of each fluid?

math
I copied it off my math book. I though that I wasn't getting it, but now I understand that the problem is unclear. thank you

math
A can of lemonade concentrate has a capacity of 355 mL. The concentrate is mixed with 4 cans of water. a) how much lemonade is made? b) how many 200-mL glasses can be poured?

math
15/25= 25-15= 10 girls > 10:15 15/25= 25-10= 15 boys 10 divided by 5 = 2 15 divided by 5 = 3 the answer is 2:3 I think...

math
thank-you!!

math
what is the formula for calculating a triangular prism's volume?

french
is this question correct? Tiffany, pense-tu Monica est intelligent?

Math
I THINK, SO I'M NO SURE... 13 to a power of (-5/4) means.... 13 to a power of (-5 divided by 4)

math- important
use the prime factorization of each pair of numbers to identify three common factors and three common multiples. a) 14 and 84 (please show me how to get the 3 common multiples) thank you!!!

write each number as the product of prime factors. (a) 42__________________ (b) 110_________________ (c)...__________________ (d)...__________________ .... ....

math
write each number as the product of prime factors. (a) 42__________________ (b) 110_________________ (c)...__________________ (d)...__________________ .... ....

thank you!!
thank you for all your help! this is great homework help and it helped me a lot!!

tanks
thank you ms sue!!

math
write each of the following in decimal form: (a) 5x100+2x10+7+4x0.1+8x0.001 ________________________________ (b)... ________________________________

math
write each number in decimal form: (a) two hundred thirty and seven tenths .... .... .... please help!! thank you very much!

geography
Canada's political regions went through a major change in 1999. what was this change? what new boundaries were created?

spelling
can you explain the question again? plz!

math
"locate the missing information, then solve the problem" 11. About 45 000 people could stand on a Canadian football field between the goal posts. How big is the square each person has to stand on?

history
what would north america be like today if the 13 colonies had not won the american revolution?

math
Dear Ms Sue, Thank you very much for helping me with my question in math!! I will tel every one at my school about this wonderful web site! Have a good night! ~Raluca~