Find the area of the surface S where S is the part of the sphere x² + y² + z² = 9 that lies to the right of the xz-plane and inside the cylinder x² + z² = 4.
What will be an ideal response?What will be an ideal response?
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Solve the equation.x4 + 675 = 84x2
A. {-75, -9, 9, 75}
B. {9, 75}
C. 
D. 
Divide.-72 ÷ 9
A. -8 B. 63 C. -63 D. 8
Solve the problem.A retired couple has $130,000 to invest to obtain annual income. They want some of it invested in safe Certificates of Deposit yielding 5%. The rest they want to invest in AA bonds yielding 12% per year. How much should they invest in each to realize exactly $12,100 per year?
A. $80,000 at 12% and $50,000 at 5% B. $90,000 at 12% and $40,000 at 5% C. $80,000 at 5% and $50,000 at 12% D. $70,000 at 5% and $60,000 at 12%
Solve.The area of a triangular poster is 720 square centimeters. Its altitude is 12 feet shorter than twice its base. Find the lengths of the altitude and base.
A. base = 30 cm; altitude = 48 cm B. base = 30 cm; altitude = 24 cm C. base = 60 cm; altitude = 12 cm D. base = 15 cm; altitude = 48 cm