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It takes 2 to tango.
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∙ 15y ago
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What are the factors of t4 - 81?
t^4 - 81 = (t^2)^2 - (3^2)^2 = (t^2 - 3^2)(t^2 + 3^2) = (t - 3)(t + 3)(t^2 + 9)
How do you compute the derivative of the given function g of t equals 2 divided by t and t equals 1 divided by 2?
g(t) = 2/tThe function is the same as writing g(t) = 2 t-1,and that's not too difficult to differentiate:g'(t) = -2 t-2g'(1/2) = -2 (1/2)-2 = -2 (4) = -8
Show that cos3t equals 4cos cubed t - 3cos t?
cos(3t) = cos(2t + t) = cos(2t)*cos(t) - sin(2t)*sin(t) = [cos2(t) - sin2(t)]*cos(t) - 2*cos(t)*sin(t)*sin(t) = [cos2(t) - sin2(t)]*cos(t) - 2*cos(t)*sin2(t) then, since sin2(t) = 1 - cos2(t) = [2*cos2(t) - 1]*cos(t) - 2*cos(t)*[1 - cos2(t)] = 2*cos3(t) - cos(t) - 2*cos(t) + 2*cos3(t) = 4*cos3(t) - 3*cos(t)
What is the probability of tossing 6 coins and none turn heads?
Probability of T, T, T, T, T, T or 1/2 * 1/2 * 1/2 * 1/2 * 1/2 * 1/2 or 1/64 or 0.015625.
What is brackets t plus 2 to the power of 2?
x2 is the same as x times x. In this case x = t+2 so we can say (t+2)2 is (t+2)(t+2) or t2+4t+4
What is 4t2 minus 16 over 8 divided by t minus 2 over 6 simplified?
(4t2 - 16)/8 ÷ (t - 2)/6 = [4(t2 - 4)/8] x 6/(t - 2) = (t2 - 22)/2 x 6/(t - 2) = (6/2)[(t + 2)(t - 2)/(t - 2)] = 3(t + 2) = 3t + 6
What is t when 6t equals 12-2t?
t=3/2 or t=2 1/2
What is T plus 2over 3plus T-4over6?
(t + 2)/3 + (t - 4)/6 (the common denominator 6) = [(t + 2)(2)]/(3)(2) + (t - 4)/6 = (2t + 4)/6 + (t - 4)/6 = (2t + 4 + t - 4)/6 = 3t/6 = t/2
What is the answer to t t-2 - 1 t plus 2?
1-800 get-a-life
How do you factor 200-2t2?
2(10 - t)(10 + t) or -2(t - 10)(t + 10)
How do you factor t squared minu s t-1squared?
Use the formula a^2 - b^2 = (a -b)(a + b). So: t^2 - (t - 1)^2 = [t - (t -1)][t + (t -1)] Now you can work and simplify the given expression. =(t - t +1)(t + t -1) =(1)(2t -1) = 2t -1
What is an expression for t divided by 2 - 4?
-2
