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 2441: Determine the third term of a geometrical progression whose first and second term are 2 and 14 respectively
Options:
A) 1458
B) 1485
C) 1345
D) 1258
Show Answer
The correct answer is A .
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Question 2442: Evaluate (x + + 1)2 - (x + + 1)2
Options:
A) 4x2
B) ( + 2)2
C) 4
D) 4(1 + x)
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The correct answer is D .
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Question 2443: Solve the following equation - =
Options:
A) (, 1)
B) (5, -4)
C) (2, 1)
D) (1, )
E) (, 1)
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The correct answer is D .
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Question 2444: The number of telephone calls N between two cities A and B varies directly as the population PA, PB respectively and inversely as the square of the distance D between A and B. Which of the following equations represents this relation?
Options:
A) N =
B) N =
C) N =
D) N =
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The correct answer is B .
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Question 2445:
Evaluate without using tables sin(-1290)
Options:
A)
B) -
C)
D) 1
E)
Show Answer
The correct answer is E .
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Question 2446: If m = 3, p = -3, q = 7 and r = 5/2, evaluate m(p+q+r)
Options:
A) 19.50
B) 19.15
C) 18.95
D) 18.05
Show Answer
The correct answer is A .
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Question 2447: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number
Options:
A) 2
B) 3
C) 4
D) 5
E) 6
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The correct answer is B .
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Question 2448:
Find the infinity, the sum of the sequence 1, , ()2, ()3,...
Options:
A) 10
B) 9
C)
D)
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The correct answer is A .
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Question 2449:
Determine the mean score of the student that took the mathematics test?
Options:
A) 4.5
B) 4.3
C) 4.2
D) 4.6
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The correct answer is C .
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Question 2450: A man is 40m from the foot of a cliff of height 23m. Calculate the angle of elevation of the top of the cliff from the man
Options:
A) 50° 54′
B) 35° 06′
C) 30° 00′
D) 290 90′
E) 29° 54′
Show Answer
The correct answer is E .