multiply (r+1/5)(r+1/4)
r^2 + 9r/20 + 1/20
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solve for v.... 6/v=9/v-1/2
Weegy: The answer is v = 4. :) User: solve for b.... b^2 - 6b - 7=0 (More)
Question
Updated 9/20/2014 10:57:20 PM
6/v=9/v-1/2
6/v - 9/v = -1/2
-3/v = -1/2
v = -3/( -1/2)
v= -3 *(-2)
v = 6
Confirmed by jeifunk [9/20/2014 11:00:45 PM]
b^2 - 6b - 7=0
(b - 7)(b + 1) = 0
b = 7 or b = -1.
multiply... (4x+4)(6x^2 +8x+3)
Weegy: a. Factor as: (x - 3)(x + 1)^3 = 0 zeros are at x = 3 and x = -1 y ' = 4x^3 - 12x - 8 4(x - 2)(x + 1)^2 zeros at x = 2 and x = -1 - - - - - - - - - - - - - - - - - - - - b. y " = 12x^2 - 12 y "(2) = 36 which is positive, [ so x = 2 is a minimum point y "(-1) = 0, an inflection point - - - - - - - - - - - - - - - - - - - - c. f(x) decreases from [-8, 2] and increases from [2, +8] - - - - - - - - - - - - - - - - - - - - d. f(x) is negative for x = [-1, 3] and positive for all other real values ] (More)
Question
Updated 3/21/2012 11:26:01 AM
(4x+4)(6x^2 +8x+3) = 24x^3 + 56x^2 + 44x + 12
Unflagged by andrewpallarca [7/7/2014 7:25:01 PM], Confirmed by andrewpallarca [7/7/2014 7:25:03 PM]
multiply (s+f)(s^2 - sf +f^2)
Weegy: f^3 + s^3 is the answer. (s+f)(s^2 - sf +f^2) = f^3 + s^3 (More)
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factor completely... 4x^8 - 12x^7 + 24x^6
Weegy: 4x^8 - 12x^7 + 24x^6 = 4x^6 (x^2 - 3x + 6) (More)
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Updated 7/11/2014 12:10:08 AM
multiply... (-2z)^2 (4z^6)^2
Weegy: (-2z)^2 (4z^6)^2 = 64z^14 (More)
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