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 1411: If y = x sin x, Find
Options:
A) 2 cosx - x - x sinx
B) sinx + x cosx
C) sinx - x cosx
D) x sinx - 2 cosx
Show Answer
The correct answer is A .
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Question 1412: A force of 5 units acts on a particle in the direction to the east and another force of 4 units acts on the particle in the direction north-east. The resultants of the two forces is
Options:
A) units
B) 3 units
C) units
D) units
Show Answer
The correct answer is C .
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Question 1413: If gt2 - k - w = 0, make g the subject of the formula
Options:
A)
B)
C)
D)
Show Answer
The correct answer is A .
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Question 1414:
A ship sets sail from port A (86N, 56W) for port B (86N, 64W), which is close by. Find the distance the ship covered from port A to port B, correct to the nearest km.
[Take = 3.142 and R = 6370 km]
Options:
A) 62 km
B) 97 km
C) 389 km
D) 931 km
Show Answer
The correct answer is A .
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Question 1415: If Cos = . Find + cos2
Options:
A)
B)
C)
D)
Show Answer
The correct answer is A .
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Question 1416: Find x if 132x = 70 eight.
Options:
A) 5
B) 3
C) 6
D) 1
Show Answer
The correct answer is C .
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Question 1417:

In the diagram, PQRS is a circle center O. PQR is a diameter and ∠PRQ = 40o. Calculate ∠QSR.
Options:
A) 30o
B) 40o
C) 45o
D) 50o
Show Answer
The correct answer is D .
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Question 1418: Simplify 3 log69 + log612 + log664 - log672
Options:
A) 5
B) 7776
C) log631
D) (7776)6
Show Answer
The correct answer is A .
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Question 1419: Find the median of the set set of numbers 110, 116, 113, 119, 118, 127, 118, 117, 113
Options:
A) 117.5
B) 118
C) 117
D) 116
E) 113
Show Answer
The correct answer is C .
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Question 1420: If a = 1, b = 3, solve for x in the equation =
Options:
A)
B)
C)
D)
Show Answer
The correct answer is C .