Find the probability.A bag contains 6 red marbles, 4 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue when one marble is drawn from the bag?
A. 
B. 7
C. 
D. 
Answer: A
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Find T, N, and B for the given space curve.r(t) = (8t sin t + 8cos t)i + (8t cos t - 8 sin t)j - 6k
A. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j; B = -k B. T = (-cos t)i - (sin t)j; N = sin(t)i - (cos t)j; B = 6k C. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j; B = k D. T = (-cos t)i + (sin t)j; N = (sin t)i + (cos t)j; B = -k
Solve the problem.A bullet is fired with a muzzle velocity of 1169 ft/sec from a gun aimed at an angle of 12° above the horizontal. Find the horizontal component of the velocity.
A. 1143 ft/sec B. 986.5 ft/sec C. 243.0 ft/sec D. 248.5 ft/sec
Find the opposite (additive inverse) of the number.15
A. 
B. - 
C. 15
D. 
Solve the problem.Meisha has $25,000 that she wants to invest. She invests it in accounts paying 12%, 7%, and 6% simple interest. The account paying 12% is a higher-risk account, so she wants the amount in that account to be half of the amount she has in the account paying 6% simple interest. If her annual interest is $1945, how much is invested at each rate?
What will be an ideal response?