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log(x⁴) = (log( x ))² Use the log property which says that log(m^n) = n • log...from both sides: 0 = (log( x ))² - 4log( x ) Factor out a log( x ): 0 = log( x ) • [log( x ) - 4] Set these equal to zero separately: log( x ) = 0...

3 Answers · Science & Mathematics · 15/10/2010

((

**x**-1)(**x**+1))/((**x**+2)(**x**-1)) = 9/10 (**x**^2 -1) / (**x**^2 +**x**- 2) = 9/10 10(**x**^2 - 1) = 9(**x**^2 +**x**- 2) 10x^2 - 10 = 9x^2 + 9x - 18**x**^2 - 9x + 8 = 0**x**= 1 or 8**x**=5 Answers · Science & Mathematics · 04/04/2008

... of

**men*** number of days First group of**men**: work done = (**x**- 1)(**x**+ 1) Second group of**men**: work done = (**x**+ 1)(**x**+ 2...2 Answers · Science & Mathematics · 01/01/2013

...'ll put it in terms that are clearer: If 2

**men**can build a house in 3 days, it would take 1 person 3*2=6 days. ...4 Answers · Science & Mathematics · 04/04/2008

p( x ) is a 7th degree polynomial [as 7... power in the polynomial] this means p( x ) will have 7 zeros. it just so ...1638x + 1092 1638x + 1092 −(1638x + 1092) = 0 ⇒ p( x ) = 3x(3x + 2)(5x^5 − 48x^4 + 168x^3 − 162x^2...

4 Answers · Science & Mathematics · 19/10/2014

let x = man 's distance from the lamp (horizontal). let s = length of man 's shadow lamp 〇 |....\ |..... ....\ |.......... .....\ |<------- x ------>*\ |....... ....... man |.... ...\ |<....... x ....... > |<.....s.....>\...

1 Answers · Science & Mathematics · 08/08/2012

Well for starters

**x**and y just represent two related objects. Units of production...the constant to account for the starting position of y when there is no**x**. So if you know the slope of a line and it's intercept you can graph it...2 Answers · Science & Mathematics · 20/07/2010

Let

**x**= man s rate of rowing y = rate of river**x**- y = rate of man ...eq. 2 to solve for**x**: 8 =**x**+ y eq. 2 8 =**x**+ 2**x**= 8 - 2**x**= 6 mi/hr, man s rate of rowing Hope this helps. teddy by3 Answers · Science & Mathematics · 30/10/2008

**x**= man 's age 3/4x = 36 {3/4 times man 's age is 36}**x**= 36(4/3) {multiplied by reciprocal of 3/4}**x**= 487 Answers · Science & Mathematics · 01/06/2010

**x**=**men**, y=women**x**= 4(y-1) [Mrs Li] (**x**-1) = 3y [Mr ...substitute] 4y-4 - 1 = 3y 4y -5 = 3y -5 = -1y y = 5 so there were 5 women**x**= 4*5-4 = 16 so there were 16**men**2 Answers · Science & Mathematics · 22/01/2008

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