41⟩ n radians encompass what percent of a circle?
50%
Mathematics
Home Education and Science Mathematics
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61 Mathematics Questions And Answers
42⟩ Convert 3/20 into a percentage
15%
43⟩ Give the range for the following six values 2, 7, 11, 19, 25, 33
31
44⟩ Have you learned any new math tactics or shortcuts with your job?
No
45⟩ Rounded off to the nearest whole year, how many years would it take for your money to double in an investment that was increasing with an annual compound rate of 3.5%?
20 years
46⟩ Using an x- y coordinate axis, a parabola is represented by the equation x2 = 6y. The vertex of this parabola is at what coordinate point
1. (0, 0)
2. (1, 1)
3. (1, 2)
4. (2, 2)
Answer: A
47⟩ In statistics, what is the common term for the square root of the variance?
standard deviation
48⟩ If perfect numbers, except 6, can be expressed by the sum of the cubes of an unbroken sequence of consecutive odd integers, what are the consecutive odd integers which, when cubed, give the perfect number 28?
13 + 33
49⟩ What is the sum of the internal angles of a pentagon
540°
50⟩ What is the greatest common divisor for the numbers 102 and 30?
6
51⟩ How many degrees are there in o radians
180o
52⟩ What is the mean for the following data set of 5 numbers
84, 50, 73, 27, 16
Answer: 50
53⟩ What form of geometry is one in which the parallel postulate of Euclidean Geometry does NOT hold
non-euclidean geometry
54⟩ In a simple random sample
1. response bias will be small
2. non-response bias will be small
3. any two samples of the same size will have the same cha nce of being drawn
4. each subject is asked every question and random responses are allowed
Answer: C
55⟩ What is the cube root of 729?
9
56⟩ According to Set Theory, sets that do NOT contain themselves are typically referred to as
normal sets
57⟩ What is the square root of 256?
16
58⟩ In the hexadecimal counting system, the letter c stands for what base-10 number
1. 12
2. 3
3. 16
4. 11
Answer: A
59⟩ A farmer wishes to make a straight barbed wire fence 80 feet long. He wants to have a fence post every 8 feet. How many fence posts does he need?
11
60⟩ If the length of the cycloid is 4 times the diameter of a rotating circle, then the area under the arch traced out by that cycloid is how many times the area of the rotating circle?
3 times
