Find the required quantity given the wire that lies along the curve r and has density ?.Moment of inertia Ix about the x-axis, where r(t) = 
t3/2i + (10t cos t)j + (10t sin t)k, 
A. Ix = 40
B. Ix = 20
C. Ix = 30
D. Ix = 0
Answer: C
Mathematics
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Rationalize the denominator.
A. 35
B. 
C. 
D. 
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Graph the line containing the point P and having slope m.P = (-3, -3); m = - 
A. 
B. 
C. 
D. 
Mathematics
Solve.A beam of light enters sea water with initial intensity I0. Its intensity at a depth of x meters is given by 
What percentage of I0 remains at a depth of sea water of 1.5 meters?
A. 12.2% B. 11.5% C. 87.8% D. 11%
Mathematics
Solve the problem.The cost of stainless steel tubing varies jointly as the length and the diameter of the tubing. If a 
length with diameter 2 inches costs $48.00 , how much will a 
length with diameter 
cost?
A. $273.60 B. $271.20 C. $278.90 D. $279.17
Mathematics