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Mathematics 9 Online
OpenStudy (anonymous):

Will give medal. A company distributes free candies to all the students of x schools. Each school has (x + 1) classes. The number of students in each class is 3 more than the number of classes in each school. Each student is given 4 candies. The equation is 4(x+4)(x+1)x How can you calculate the total number of students in each school?

OpenStudy (anonymous):

@freckles @Nnesha @jdoe0001

OpenStudy (anonymous):

I erased what I was writing to better explain it, but I'd definitely not going to now.

OpenStudy (anonymous):

im trying to help :)

OpenStudy (anonymous):

and 1 thank you for that

OpenStudy (anonymous):

The equation you give--what does that equal?

OpenStudy (anonymous):

As in, what is that the equation for?

OpenStudy (anonymous):

finding the number of candles distributed.

OpenStudy (anonymous):

each kid gets 4 candles so divide that equation by 4 1 guess...

OpenStudy (anonymous):

sorry if it keeps looking like 1'm not here, firefox continues to prove its uselessness.

OpenStudy (anonymous):

hmmm i believe you must distribute

OpenStudy (anonymous):

:3 but what do i know xD

OpenStudy (anonymous):

1 guess if you took away the 4 from the front of the equation it would apply better...

OpenStudy (anonymous):

Each student is given 4 candies. The equation is 4(x+4)(x+1)x (4x+16)(x+1)

OpenStudy (anonymous):

\[Candies=4x^{3}+20x^{2}+16x\]

OpenStudy (anonymous):

im not sure much of to the third power chrismoon im

OpenStudy (anonymous):

(x+4)(x+1) gives you x^2+5x+4 That's multiplied by 4x

OpenStudy (anonymous):

1s it even possible to find the number of candles?

OpenStudy (anonymous):

That's what I'm thinking, I don't see any info given to help you find how many candies total the company gives or what the 4 candies per student tells you.

OpenStudy (anonymous):

ok i have the answer

OpenStudy (anonymous):

okay...

OpenStudy (anonymous):

well im not sure if it is the answer but im so much 90% sure \[Candies = 4x^2 +20x +16\]

OpenStudy (anonymous):

:D

OpenStudy (anonymous):

but we're trying to find the number of students

OpenStudy (anonymous):

144

OpenStudy (anonymous):

How did you get that?

OpenStudy (anonymous):

haha wow

OpenStudy (anonymous):

those are the closest answers u can get :)

OpenStudy (anonymous):

awesome thanks

OpenStudy (anonymous):

do you think you could look at one more for me?

OpenStudy (anonymous):

sure

OpenStudy (anonymous):

gimme a second there's a lot of exponents

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

Divide\[(8x ^{4}y ^{3}+4x ^{3}y ^{2}-2x^2y-12x^2y^4)\] by \[-2x^2y\]

OpenStudy (anonymous):

wow

OpenStudy (anonymous):

1 think it's \[-4x^2y^2-2xy+6y^3\] but 1'm not sure

OpenStudy (anonymous):

Factor out -2(x^2)(y) from the numerator then cancel with the denominator.

OpenStudy (anonymous):

1 did

OpenStudy (anonymous):

Which looks like what you did, but when you factor out the -2x^2 y from inside, you need to keep a +1 inside the parenthesis.

OpenStudy (anonymous):

wait one sec i'll tell u the answer

OpenStudy (anonymous):

You got it right, just add the +1 you forgot.

OpenStudy (anonymous):

where would it be in the equation?

OpenStudy (anonymous):

3rd

OpenStudy (anonymous):

before the 6y^3

OpenStudy (anonymous):

or after, doesn't really matter. addition is commutative (you can rearrange them)

OpenStudy (anonymous):

6y^3-4x^2y^2-2xy+1

OpenStudy (anonymous):

associative*, not commutative

OpenStudy (anonymous):

that should be the answer bloofoffiction

OpenStudy (anonymous):

Okay. Thank you guys, you've been a huge help, both of you.

OpenStudy (anonymous):

Np

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