Find the length of the unknown side of the right triangle. In each case, a and b represent the lengths of the legs and c represents the length of the hypotenuse.
a = 
, b = 
; find c
A. 25
B. 5
C. 
D. 533
Answer: B
Mathematics
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Find the unit tangent vector of the given curve.r(t) = (1 + 10t2)i + (3 + 11t2)j + (3 + 2t2)k
A. T = 
i + 
j + 
k
B. T = 10i + 11j + 2k
C. T = 
i + 
j + 
k
D. T = 
i + 
j + 
k
Mathematics
Use the limit definition of the partial derivative to compute the indicated partial derivative of the function at the specified point.Find 
at the point (-6, -9, -10): f(x, y, z) = xyz - 5y2 - 8z
What will be an ideal response?
Mathematics
Find the standard deviation.49, 19, 34, 26, 10, 47, 72
A. 378.8 B. 34 C. 19.5 D. 36.7
Mathematics
Find any excluded values.
A. - 
B. 
, 1
C. 
D. 
Mathematics