Graph the circle.2y2 = 200 - 2x2
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Translate the English expression into an algebraic expression. Use x to represent the unknown number.The sum of a number and 124
A. x + 124 B. 124x C. 124 D. x - 124
Mathematics
Find the acceleration vector in terms of ur and u?.r = 2 cos 2t and ? = 4t
A. a = (-40 sin 2t)ur - 32 cos 2tu? B. a = (-40 cos 2t)ur + 32 sin 2tu? C. a = (-40 cos 2t)ur - 32 sin 2tu? D. a = (-40 cos 4t)ur - 32 sin 4tu?
Mathematics
Find the indicated probability.f(x) = e-x; [0, ?), P(x ? 1)
A. 0.3679 B. 0 C. 0.6321 D. The function f(x) is not a probability density function.
Mathematics
Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sin x cos x = 
A. 0, 
, ?, 
B. 0
C. 
, 
, 
, 
, 
, 
, 
D. 
, 
Mathematics