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Tri, and Tri Again
What do you know about Circles?
Data, Data, Data
Complexity in Numbers
Sum and Series
100
The length of each side of a square with a diagonal of 14 inches.
What is 7 sqrt 2 in?
100
the sector area of a circle with a radius of 8 and a central angle of 90 degrees.
What is 50.24?
100
The mean of the set of data: 50, 94, 80, 62, 106, 76, 83
What is 78.7?
100
The Square root of -9
What is 9i?
100
The sum of the series shown below: 3 + 7 + 11 + ... + 107
What is 1,485?
200
A trig function that is equal to the opposite side over the hypotenuse.
What is Sine?
200
Tina wants to divide a circle into 3 equal pie-shaped pieces. Find the measure of each central angle.
What is 120 degrees?
200
The standard deviation for the following set of data: 45, 32, 53, 51, 62, 66, 62
What is 11.83?
200
The expression 10+i^2 is equal to this number.
What is 9?
200
Solve the sum shown below. 21 Σ (3 + (k - 1)8) k = 1
What is 1,743
300
In a 45-45-90 triangle, the length of one leg is sqrt of 2. The length of the other leg is....
What is sqrt of 2?
300
the length of the intercepted arc of a circle with a central angle of 70 degrees?
What is 70 degrees?
300
The highest average from the following bowling scores: Male: 85, 176, 111, 201, 159, 187, 134 Female: 99, 83, 102, 175, 126, 79, 223
What is the male's average?
300
The complex conjugate of this number: 6+4i
What is 6 - 4i?
300
The quadratic function that represents the sequence of partial sums of the arithmetic series below: 3 + 7 + 11 + 15 + 19 + ...
What is 2x^2 + x?
400
The length of the shorter leg of a 30-60-90 triangle, when the hypotenuse is 18
What is 9?
400
the length of an arc cut by a central angle of 36 degrees in a circle with a radius of 5 inches.
What is 3.14?
400
Find the standard deviation of the data set below. x = {18,84,33,83,98,84}
What is 29.9
400
(4+2i)(2-5i)
What is 18-16i?
400
The quadratic function that represents the sequence of partial sums of the arithmetic series below: 1, 3, 5, 7, 9, ...
What is f(x) = x^2?
500
The height from the ground of the top of a 4.1 m long slide which makes an angle of 27 degrees with the ground.
What is 1.86 m?
500
The volume of a sphere with a radius of 4 inches.
What is 6?
500
The difference between the standard deviations of Set one and Set two... Set 1 = {94,95,87,81,91,96} Set 2 = {104,92,91,88,83,84,95,101,81}
What is standard deviation for Set 1 is less than the standard deviation for Set 2 by approximately 2.27.
500
The quotient of (4+8i)/(-4+3i)
What is 8-44i/25
500
Solve the sum shown below. 24 Σ (8k + 4) k = 1
What is 2,496?