Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 2 for r(t) = (4t2 + 2t + 9)i - 3t3j + (5 - t2)k
A. v(2) = 18i + 36j + 4k B. v(2) = 10i - 12j - 2k C. v(2) = 18i - 36j - 4k D. v(2) = 14i - 36j - 4k
Mathematics
Convert as indicated.4.94 t = g
A. 494,000 B. 4,940,000 C. 4940 D. 494
Mathematics
Convert the measurement to degrees Fahrenheit. Round your answer to the nearest tenth of a degree if necessary.18°C
A. 17.5°F B. 42.0°F C. 90.0°F D. 64.4°F
Mathematics
Simplify.-6(-6)
A. 46 B. 36 C. -46 D. -36
Mathematics