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.
-
Question 1271: A cone is formed by bending a sector of a circle Saving an angle or 210°. Find the radius of the base of the cone. If the diameter of the circle is 12cm.
Options:
A) 7.00cm
B) 1.75cm
C) 21cm
D) 3.50cm
E) 2.21cm
Show Answer
The correct answer is D .
-
Question 1272:
The sum of the interior angle of pentagon is 6x + 6y. Find y in terms of x.
Options:
A) y = 6 - x
B) y = 90 - x
C) y = 120 - x
D) y = 150 - x
Show Answer
The correct answer is B .
-
Question 1273:

The area under the speed time graph given the total distance covered by car. What is the average velocity to two places of decimals?
Options:
A) 17.72 meter/sec.
B) 21.67 meters/sec
C) 2.5 meter/sec.
D) 20.45 meters/sec.
E) 13.33 meter/sec.
Show Answer
The correct answer is D .
-
Question 1274: The sum of two numbers is 5; their product is 14. Find the numbers.
Options:
A) x = 5 or 1
B) x = 7 or 1
C) x = 7 or 0
D) x = 7 or − 2
Show Answer
The correct answer is D .
-
Question 1275: Evaluate (x + + 1)2 - (x + + 1)2
Options:
A) 4x2
B) ( + 2)2
C) 4
D) 4(1 + x)
Show Answer
The correct answer is D .
-
Question 1276:

In the diagram, EFGH is a cyclic quadrilateral in which EH || FG, EG and FH are chords. If < FHG = 424 and < EFH = 34
Options:
A) 34
B) 42
C) 52
D) 76
Show Answer
The correct answer is C .
-
Question 1277:
The histogram above shows the distribution of passengers in taxis of a certain motor park. How many taxis have more than 4 passengers
Options:
A) 16
B) 17
C) 14
D) 15
Show Answer
The correct answer is B .
-
Question 1278: If a2 + b2 = 16 and 2ab = 7.Find all the possible values of (a - b)
Options:
A) 3, -3
B) 2, -2
C) 1, -1
D) 3, -1
Show Answer
The correct answer is A .
-
Question 1279: Express in partial fractions
Options:
A) 1/3{(1/x-1)-(x-2/x2-x+1)}
B) 1/3{(1/x-1)-(x+2/x2+x+1)}
C) 1/3{(1/x-1)-(x-2/x2+x+1)}
D) 1/3{(1/x-1)-(x-2/x2-x-1)}
Show Answer
The correct answer is B .
-
Question 1280: Solve the equation
Options:
A) 8,3
B) 4,9
C) 6,4
D) 9,-8
Show Answer
The correct answer is A .