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1. ### If f( x )= (1- x ^3) and F^-1 is the inverse of "f", how man solutions does the equation f( x )= f^-1( x ) have?

You're counting solutions to x = 1 - x ^3 (Why?) I.e., x ^3 + x - 1 = 0. If you know any...

1 Answers · Science & Mathematics · 02/08/2012

2. ### The quadratic function f( x )=0.0039x^2-0.47x+36.40 models the median, or average, age,y, at which U.S> men were?

...minimum (if it opens up) or maximum (if it opens down) located at x =-b/(2a). So x =-(-0.47)/(2*0.0039) = 60.256 ~ 60. We are ...

1 Answers · Science & Mathematics · 18/06/2010

3. ### 100 people, 100 donuts?

it's a systems of equations: x = men , y = women, z = children 10x + 5y + .5z...combination that comes to my head easily s.t. both x and y are integers, x = 1, y = 9, and...

4 Answers · Science & Mathematics · 09/08/2011

4. ### Math help plz arithmetic and algebra?

xH = m ,{ x :: # men , H :: # hours} a/ ( x +8)(H-1) = m b...2x - 16 = 0 a/&b/ x = 24 H = 3.5 so m = 84 man hours X .h = 84 I f X = 48 men then h...

2 Answers · Science & Mathematics · 05/02/2011

5. ### Math homework help! 10 POINTS!?

X - Men 3 - The last stand.

2 Answers · Science & Mathematics · 11/02/2013

6. ### 20 people going to one temple.They want Rs. 20. For men -Rs.3, women-Rs.2, children-50 paise.?

By your question, if there are x men , y women and z children, x +y+z = 20 (1) and...

1 Answers · Science & Mathematics · 25/08/2011

7. ### can you please tell me if I figured this math problem correctly?

reduce further to 7/b = x

5 Answers · Science & Mathematics · 04/04/2009

8. ### A girl 1.5m tall casts a shadow 2.0m long At the same time of the day, a man 1.8m tall casts a shadow x m long?

(a.) Ratio 1.2 over 2.0 in whole number, = 12/20 = 3/5 (b.) Given the length of the man 's shadow as x ; 1.5/2.0 = 1.8/ x x = (2.0*1.8)/1.5 x =2.4m

3 Answers · Science & Mathematics · 19/05/2012

9. ### A man 's original weight was 120/ x -1 kg. He went on a diet and his weight dropped by 18/( x -1)^2. Find his present weight (simplest form)?

A man 's original weight was 120/ x -1 kg. He went on a diet and his weight dropped by 18...

4 Answers · Science & Mathematics · 30/04/2014

10. ### if the average arithmetic man of 8, 12, 15, 21, x and 11 is 17 then what is x ?

If the average arithmetic mean of 8, 12, 15, 21, x and 11 is 17 then what is x ? x = 17*6 - (67) = 35

6 Answers · Science & Mathematics · 12/07/2011