Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.
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Question 1211:

Find the volume of the prism.
Options:
A) 990cm3
B) 880cm3
C) 550cm3
D) 495cm3
Show Answer
The correct answer is D .
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Question 1212: If y = 3 cos(x/3), find dy/dx when x = (3π/2)
Options:
A) 1
B) -3
C) 2
D) -1
Show Answer
The correct answer is D .
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Question 1213: Find the acute angle between the straight lines y = x and y = √3x
Options:
A) 15
B) 30
C) 45
D) 60
Show Answer
The correct answer is A .
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Question 1214:

In the figure, PQT is isosceles. PQ = QT, SRQ = 35, TPQ = 20 and PQR is a straight line.Calculate TSR
Options:
A) 20
B) 55
C) 75
D) 140
Show Answer
The correct answer is C .
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Question 1215:
A student pilot was required to fly to an airport and then return as part of his flight training. The average speed to the airport was 120 km/h, and the average speed returning was 150 km/h. If the total flight time was 3 hours, calculate the distance between the two airports.
Options:
A) 270 km
B) 200 km
C) 360 km
D) 450 km
Show Answer
The correct answer is B .
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Question 1216: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places?
Options:
A) 9.60m
B) 6.06m
C) 2.54m
D) 2.53m
E) 2.00m
Show Answer
The correct answer is D .
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Question 1217: Evaluate correct to 4 decimal places 877.51 0.015
Options:
A) 8.8415
B) 12.4127
C) 124.1265
D) 12.44120
E) 114.1265
Show Answer
The correct answer is B .
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Question 1218: Find all values of x satisfying the inequality -11 4 - 3x 28
Options:
A) -5 x v 8
B) 5 x 8
C) -8 x 5
D) -5 < x 8
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The correct answer is C .
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Question 1219:
Find the derivativeof the function y = 2x(2x - 1) at the point x = -1?
Options:
A) 18
B) 16
C) -4
D) -6
Show Answer
The correct answer is B .
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Question 1220:
Find the value of k in the equation:
Options:
A)
B) 7
C) 28
D)
Show Answer
The correct answer is B .