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  1. P(z<0.22) = 0.5871 <-------- btw, what's happened to your z-table ?

    1 Answers · Science & Mathematics · 05/04/2011

  2. 22/7 is an approximation for pi. The formula for the circumference is 2*pi*r with r being the radius. So, using this formula, we have = 2 * 22 / 7 * 5.25 => 2 * 22 / 7 * 21 / 4 = (21*22)/(7*2) = 3*11 = 33 Good luck!

    8 Answers · Science & Mathematics · 02/02/2009

  3. For #’s 15 – 22, use the equation: 3x-2y=6 15. Graph...the inverse of the equation. => -2y+3x=6 22. Evaluate the equation if x=-2...25.f(x)=5x/x+3 => R-{0} use f(x)= x^2-x-6/x^2-4x+3 to answer...

    2 Answers · Science & Mathematics · 24/07/2012

  4. ...) = cos^2(A) - sin^2(A). Substituting in A = 22°30': cos[2(22°30')] = cos^2(22°30') - sin^2(22°30'). Then...

    4 Answers · Science & Mathematics · 27/12/2010

  5. A^2-9*A+22 Quadratic formula: A = (-b ±√(b²-4ac))/(2a) = ( 9±√( 81 -88))/( 2) negative discriminant = -7; two complex roots: A=4.5± 1.322875656i

    1 Answers · Science & Mathematics · 25/02/2013

  6. ... are related, put them as a sequence : 13, 16, 19, 22, 25 Find the first differences : 16 - 13 = 3 19 - 16...

    1 Answers · Science & Mathematics · 09/03/2010

  7. C = d * 22/7

    3 Answers · Science & Mathematics · 14/02/2012

  8. x^2 - 9x - 22 Use Factor theorem basically just sub...2a = -22 a = -11 therefore x^2 - 9x - 22 = (x+2)(x-11) x= -2 , 11...3x from the equation 3x(x^2 + 2x - 6) Use Factor Theorem ...

    1 Answers · Science & Mathematics · 25/03/2010

  9. ...each item increases by 3. The sequence is: 4,7,10,13,16,19,22 Now using this same logic what is the fifth item? It is 16...

    3 Answers · Science & Mathematics · 30/04/2008

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