Find the probability.Two 6-sided dice are rolled. What is the probability that the sum of the two numbers on the dice will be greater than 10?

A.  
B.  
C. 3
D.  


Answer: A

Mathematics

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Find the unit tangent vector of the given curve.r(t) = (9t cos t - 9 sin t)j  + (9t sin t + 9 cos t)k

A. T(t) = (-9 sin t)j  + (9 cos t)k
B. T(t) = - (sin t)j  + (cos t)k
C. T(t) = (9 cos t)j  - (9 sin t)k
D. T(t) = (-sin t)j  + (cos t)k

Mathematics

Subtract.-145 - (-28 )

A. -117 B. 173 C. -173 D. 117

Mathematics

Simplify.

A.
B.
C.
D. None of these

Mathematics

Find the functions f and g so that F(x) = (f o g) (x).F(x) = 

A. f(x) = 4/x, g(x) = 9x + 1 
B. f(x) = , g(x) = 4
C. f(x) = 4, g(x) = 
D. f(x) = 4/, g(x) = 9x + 1

Mathematics