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 1591: Find the value of x and y respectively if 3x - 5y + 5 = 0 and 4x - 7y + 8 = 0
Options:
A) -5, -4
B) -4,. -5
C) 4, 5
D) 5, 4
Show Answer
The correct answer is D .
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Question 1592: Solve for (x, y) in the equation 2x + y = 4: x^2 + xy = -12
Options:
A) (6, -8): (-2, 8)
B) (3, -4): (-1, 4)
C) (8, -4): (-1, 4)
D) (-8, 6): (8, -2)
E) (-4, 3): (4, -1)
Show Answer
The correct answer is A .
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Question 1593:
A trapezium has two parallel sides of lengths 5cm and 9cm. If the area is 91cm, find the distance between the parallel sides
Options:
A) 13 cm
B) 4 cm
C) 6 cm
D) 7 cm
Show Answer
The correct answer is A .
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Question 1594: Simplify
Options:
A)
B)
C)
D)
Show Answer
The correct answer is B .
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Question 1595: A binary operation Δ is defined by aΔb = a + b + 1 for any numbers a and b. Find the inverse of the real number 7 under the operation Δ, if the identity element is -1
Options:
A) -7
B) -9
C) 5
D) 9
Show Answer
The correct answer is B .
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Question 1596: The graph of f(x) = x2 - 5x + 6 crosses the x-axis at the points
Options:
A) (-6, 0), (-1, 0)
B) (-3, 0), (-2,0)
C) (-6, 0),(1, 0)
D) (2, 0), (3, 0)
Show Answer
The correct answer is D .
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Question 1597: A senatorial candidate had planned to visit seven cities prior to a primary election. However, he could only visit four of the cities. How many different itineraries could be considered?
Options:
A) 640
B) 840
C) 520
D) 920
Show Answer
The correct answer is B .
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Question 1598:
If X = {all the perfect squares less than 40}
Y = {all the odd numbers fro, 1 to 15}. Find X ∩ Y.
Options:
A) {3, 9}
B) {9}
C) {9, 25}
D) {1, 9}
Show Answer
The correct answer is D .
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Question 1599:

In an examination, the result of a certain school is as shown in the histogram above. How many candidates did the school present?
Options:
A) 12
B) 16
C) 18
D) 19
Show Answer
The correct answer is D .
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Question 1600: The scores of 16 students in a mathematics test are 65, 65, 55, 60, 60, 65, 60, 70, 75, 70, 65, 70, 60, 65, 65,
70. What is the sum of the median and modal scores?
Options:
A) 125
B) 130
C) 140
D) 150
Show Answer
The correct answer is B .