# Posts by miechelle

Total # Posts: 14

**math 12**

the population of a bacteria coleny, p, is doubling every day,d, according to the equation p=2^d. five days later, the population of another bacteria colny, q, is quadrupling everyday,d, according to the equation q=4^d-5. when will the populations of the two bacteria be equal...

**math 12**

write each power as a poweer with a bace 9. 27^6 how do you do this and why? details plz

**grade 12 math**

i have a test tomarow and i am soo lost with this this question is on my review sheet 16^2 = 2^x how do i solve this tell me in detail plz ty :)

**math**

jamie tookout $3000 loan, due in 4 years. if interset is 5.7% per year, compounded semi-annualy how much should jamies crediter be willing to except to pay off the loan today?

**math**

i don't realy get it still like i do get it but at the same time i don't :( sorry im being an thik head lol

**math**

factor each of the following: a)x^2+10x+25 b)x^2+16x+28 c)x^2-9x+14

**math**

-2(x+3)^2 -(x-4)^2+3

**math**

thanks so much lol i was geting confused at the 3x and the -3x cuz i thought when u add them it wud b like -6x^2 u no what i meen? but yeah thanks that realy helpd me alot ;)

**math**

y did u do what u did ? the x(x)....

**math**

yeah sorry but very bad at math this is wat i got x^2 +3x-3x+9 ther suposed to be 3 terms but i got 4

**math**

(x-3)^2

**math**

(7x+3y)^2

**math**

(3x+7)(5x-2)

**math**

expand and simplifiy each of the following. 2x(5x-7y+3)-8x(2x+3y-1)