A river flows in a roughly circular path around a hill.A surveyor measures the distance from P to Q to be 688 .The perpendicular distance from B to the midpoint of PQ, point A, is 86' .What is the radius of curvature of the river through this turn?
731'
Mathematics
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Provide an appropriate response.The sphere x2 + y2 + z2 = 16 has constant area density 3. Find the moment of inertia about a diameter.
A. 1024?
B. 
?
C. 
?
D. 2048?
Mathematics
Provide an appropriate response.Construct step 2 for the fractal below. 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the area between y = (x - 4)ex and the x-axis from x = 4 to x = 9.
A. 4e9 B. e9 - e4 C. 4e9 + e4 D. e9 + e4
Mathematics
Solve.After deductions, Mark's net pay is $655.68. If the total of the deductions was 27% of his gross two-week pay, then what was his gross two-week salary?
A. $2228.45 B. $2528.45 C. $2428.45 D. $2328.45
Mathematics