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 1221: If the sum of the 8th and 9th terms of an arithmetic progression is 72 and the 4th term is -6, find the common difference
Options:
A) 4
B) 8
C) 6
D) 9
Show Answer
The correct answer is D .
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Question 1222: Given an isosceles triangle with length of 2 equal sides t units and opposite side √3t units with angle θ. Find the value of the angle θ opposite to the √3t units.
Options:
A) 100°
B) 120°
C) 30°
D) 60°
Show Answer
The correct answer is B .
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Question 1223: Evaluate to 3 significant fiqures
Options:
A) 77.80
B) 778.0
C) 7.870
D) 8.770
E) 88.70
Show Answer
The correct answer is A .
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Question 1224: Simplify 4 - 6
Options:
A) -7
B)
C)
D)
Show Answer
The correct answer is B .
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Question 1225: Express in partial fractions
Options:
A)
B)
C)
D)
Show Answer
The correct answer is B .
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Question 1226: One bag contain 3 blue and 5 red balls, another bag contain 2 blue and 4 red balls respectively. One ball is drawn for each bag. What is the probability both balls are blue
Options:
A)
B)
C)
D)
Show Answer
The correct answer is D .
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Question 1227:
Convert 0.04945 to two significant figures
Options:
A) 0.040
B) 0.049
C) 0.050
D) 0.49
Show Answer
The correct answer is B .
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Question 1228:
XYZ is a circle enter o and a radius 7cm. Find the area of the shaded region. θ = 45 x 2 = 90
Options:
A) 84cm2
B) 77cm2
C) 38cm2
D) 14cm2
Show Answer
The correct answer is D .
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Question 1229: Simplify 4 + 5 − 3
Options:
A) 7
B) − 7
C) − 7
D) 7
Show Answer
The correct answer is D .
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Question 1230:
Find the area of the shades segments in the figure.
Options:
A)
B) 4
C) -
D) -3
Show Answer
The correct answer is D .