# 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?

*March 1, 2012*

**math**

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

*December 1, 2011*

**math**

Simplify: 8t+12 _______ 4

*November 24, 2011*

**Math**

1.8L

*November 24, 2011*

**Laws of exponents - math**

7x^6y^3(-4xy^2)^2

*November 23, 2011*

**math**

thank you!

*November 12, 2011*

**math**

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

*November 12, 2011*

**math**

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

*October 27, 2011*

**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

*October 27, 2011*

**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?

*April 29, 2011*

**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

*January 26, 2011*

**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?

*January 26, 2011*

**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...

*January 26, 2011*

**math**

thank-you!!

*November 11, 2010*

**math**

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

*November 11, 2010*

**french**

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

*November 9, 2010*

**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)

*November 9, 2010*

**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!!!

*September 27, 2010*

**8th grade**

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

*September 20, 2010*

**math**

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

*September 20, 2010*

**thank you!!**

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

*September 15, 2010*

**tanks**

thank you ms sue!!

*September 15, 2010*

**math**

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

*September 15, 2010*

**math**

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

*September 15, 2010*

**geography**

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

*February 25, 2010*

**spelling**

can you explain the question again? plz!

*February 1, 2010*

**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?

*February 1, 2010*

**history**

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

*January 30, 2010*

**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~

*January 13, 2010*

**5th grade**

try to think of all the even # that can be divided by three so that you can get a result less than 60 but more than 40. even #:2 4 6 8 10 12 14 16 18 20...

*January 13, 2010*

**math**

how ho you simplify the equation: 15.4 x 2.3+6.7 x 4 ??

*January 13, 2010*

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