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simplification

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1/6k=-11 2014-11-13
Marty pose la question :
Using the balance method, what is the answer to 1/6k=-11, trying to find what k equals. Thanks
Penny Nom lui répond.
Simplify the expression 2012-02-12
Christy pose la question :
Hi guys, ok so I'm having problems with solving this equation since it's been so long I've done precal.
I have to find critical points so I have to find the derivative first. This is what I've done so far s(t)= (t-6)^4 * (t+1)^2
t'= 4(t-6)^3*(1)*(t+1)^2+ 2(t+1)(1)*(t-6)^4
so this is where I got stuck, which is the algebra part. How can I simplify this to get the answer to figure out the critical points.

Penny Nom lui répond.
An algebraic exercise with fractions and radicals 2008-11-18
Rubén pose la question :
Question from Rubén, a teacher:

I have the ecuation:

U = [yb / (ab+a^2)]^1/2 + [ya / (ab+b^2)]^1/2

I know for sure this reduces to

U = [y (1/a + 1/b)]^1/2

but I cannot find a way to get into that result!

Thanks

Rubén Osuna lui répond.
How do you simplify a fraction if one of the numbers is negative? 2005-12-05
Stephanie pose la question :

Question: How do you simplify a fraction if one of the numbers is negative?

Ex. -32/40


Penny Nom lui répond.
ln(hx+n) 2005-01-07
Anibal pose la question :
if I have the eq. y=hx+n and I want to know ln(y), how do I process ln(hx+n)?
Penny Nom lui répond.
Algebraic simplification 2004-03-31
Chris pose la question :
Simplifying Exponents

Question

b^5d^2/b^3d^8

Penny Nom lui répond.
A simplification problem 2002-01-10
A Parent pose la question :
FIND

(A / B) . (C / D)
where
A = Y squared + 3 . Y cubed
B = Y squared + 4
C = 2 . Y + Y squared
D = Y + 4 Y squared + 3 Y cubed


Penny Nom lui répond.
Square roots 2000-10-29
Pamela pose la question :
HERE GOES(I WILL USE Q AS THE SYMBOL FOR SQUARE ROOT):

8(Q2) - 5(Q2) + Q2

SECOND PROBELM IS

(1 + Q2)2

LAST ONE

3/(2-Q5)


Claude Tardif lui répond.
Simplify 21+2[3z+5(3z+8)] 2000-07-02
Dennis Dyer pose la question :
My daughter has a math problem that I can't help her with. The problem is 21+2[3z+5(3z+8)] I can get the answer 101 +36z but I can't show her the correct way to write it out. Would you please show the correct way to show her work...
Penny Nom lui répond.
 
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