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 1421: Find ∫(x2 + 3x − 5)dx
Options:
A) - - 5x + k
B) - + 5x + k
C) + - 5x + k
D) + + 5x + k
Show Answer
The correct answer is C .
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Question 1422: Three brothers in a business deal share the profit at the end of a contact. The first received of the profit and the second of the remainder. If the third received the remaining ₦12000.00 how much profit did they share?
Options:
A) ₦60 000.00
B) ₦54 000.00
C) ₦48 000.00
D) ₦42 000.00
Show Answer
The correct answer is B .
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Question 1423: If | 2 3 | = | 4 1 |. find the value of y. 7
Options:
A) -6
B) 6
C) -12
D) 12
Show Answer
The correct answer is A .
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Question 1424: If 5, 8, 6 and 2 occur with frequencies 3, 2, 4 and 1 respectively, find the product of the modal and medial number.
Options:
A) 36
B) 48
C) 38
D) 40
E) none of the options
Show Answer
The correct answer is A .
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Question 1425: Factorize 9(x + y)2 - 4(x - y)2
Options:
A) (x + y)(5x + y)
B) (x + y)2
C) (x + 5y)(5x + y)
D) 5(x + y)2
Show Answer
The correct answer is C .
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Question 1426: 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 1427:
Points X and Y are 20km North and 9km East of point O, respectively. What is the bearing of Y from X? Correct to the nearest degree.
Options:
A) 24°
B) 56°
C) 127°
D) 156°
Show Answer
The correct answer is D .
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Question 1428: Simplify + +
Options:
A)
B)
C)
D)
Show Answer
The correct answer is D .
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Question 1429: Solve the quadratic inequality x2 - 5x + 6 0
Options:
A) x 2, x 3
B) x 3, x 2
C) x -2, x -3
D) x -3,x 2
Show Answer
The correct answer is A .
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Question 1430: 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
Show Answer
The correct answer is B .