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  1. The answer is A -2x/-2 will cancel out and -20 / -2 is = to 10 so x-intercept is (10,0)

    7 Answers · Science & Mathematics · 24/09/2012

  2. width = 2x +3 length = x Area = length * width 80 = x(2x+3) i think you can do the rest.. hehehe

    2 Answers · Science & Mathematics · 03/04/2008

  3. well, do you mean the distance between the two lines..not necessarily points because their linear equations... If so, Well, if you think about it, when the lines cross the y axis, the first one crosses the y axis at (0,-11) and the second one...

    1 Answers · Science & Mathematics · 21/01/2013

  4. Hint: you want numbers that, depending on the sign of the last term, have their product be the last tem and sum (or difference) be the middle term. For the four examples given, the numbers are 1, 2; 2, 5; 2, 3; and 5, 8. Some...

    1 Answers · Science & Mathematics · 25/06/2008

  5. Hi, For this question, recall that the x-intercept occurs when y = 0 and therefore we get: x - 8(0) - 16 = 0 x = 16 or (16,0) = x-intercept Now, the y-intercept occurs when x = 0 and therefore we get: 0 - 8y - 16 = 0 -8y = 16 y = -2 or (0,-2) = y-intercept I hope that helps...

    6 Answers · Science & Mathematics · 16/09/2009

  6. "(In determining elasticity, absolute values govern--negative and positive signs may be omitted.)" E = p/D(dD/dp) dD/dp = -500/p^2 D(2) = 250 dD/dp@2 = -125 E(2) = 2(125)/250 = 1 At the given price the...

    1 Answers · Science & Mathematics · 22/05/2007

  7. 2 tanx sinx = √3 tanx => 2 tanx sinx - √3 tanx = 0 => tanx (2sinx - √3) = 0 => tanx = 0 or sinx = √3/2 => x = kπ or x = kπ + (-1)^k (π/3) => x = { 0, π/3, 2π/3, π, 2π } taking x ∈ [0, 2π]

    3 Answers · Science & Mathematics · 04/07/2008

  8. If a graph has an inflection point, the slope changes from + to - at that point. (or vice versa). As such, the slope of a tangent line at that point must be zero. NOW, which of those answers are of the form: y = 0x + b or more commonly y = b always, tony

    1 Answers · Science & Mathematics · 25/12/2014

  9. a) 500 gm of butter is required for 65 sandwiches Therefore each gm of butter will suffice for 65 / 500 = 0.13 sandwich b) 0.13 sandwich requires 1 gm of butter Therefore 403 sandwiches require 403 x 1 / 0.13 = 3100 gm of butter cost of butter per day @ $ 3.85 for...

    4 Answers · Science & Mathematics · 14/05/2010

  10. -16t^2 - 8t + 64 = -8(2t^2 + t - 8)

    3 Answers · Science & Mathematics · 12/06/2011

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