Find the surface area of the surface S.S is the cap cut from the sphere x2 + y2 + z2 = 9 by the cone z = 5
.
A. 9
?
B. 9
C. 18
?
D. 9
?
Answer: C
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Solve the problem. Round your answer to 2 decimal places when necessary.In a recent year, there were 45 accidents in commercial aviation among major airlines over 15.0 million flight hours. Find the accident rate in units of accidents per 100,000 flight hours.
A. 3 accidents per 100,000 flight hours B. 0.30 accidents per 100,000 flight hours C. 0.45 accidents per 100,000 flight hours D. 4.5 accidents per 100,000 flight hours
Solve the problem.Elaine had 36 buttons. Her grandmother donated 9 cards of buttons to the collection. Elaine sorted the buttons into 9 piles, putting 9 buttons in each pile. How many buttons were on each card from Elaine's grandmother?
A. 5 buttons B. 76 buttons C. 79 buttons D. 34 buttons
Provide an appropriate response. Which of the following lines are perpendicular? (a) line through points (1, -2) and (7,6) (b) line with x-intercept -4 and y-intercept 3 (c) line 3x + 4y = 12
A. (b) and (c) B. (a) and (b) C. (a) and (c) D. none perpendicular
Multiply.[(5x - y) + 2z][(5x - y) - 2z]
A. 25x2 + y2 + 20xz + 4yz - 4z2 B. 25x2 + y2 - 4z2 C. 25x2 - 10xy + y2 - 4z2 D. 25x2 - 10xy + y2 + 20xz + 4yz - 4z2