Algebra
If 7x+9=58 what is x?
7
A 3-4-5 right triangle has angles that measure what, what, and what (to the nearest whole degree)?
37, 53, 90
A basket has blue, red, and green balls (meaning at least two of each color) in it. Other than color, the balls are identical. If the probability of selecting a green ball at random is half the probability of selecting a blue ball, which is half the probability of selecting a red ball, what is the probability that you select three balls with replacement, and they are both green?
1/343
What is d/dx(e^x)?
e^x
Name the third digit of Napier's constant.
1
x^2 + 16 = 25
What is sum of possible real values of x?
What is the ratio of the area of a square to the area of a circle circumscribed outside the square?
2:pi
You arrange your History, Math, English, and Science books in a stack, one on top of the other. What is the probability that The Math and English are not adjacent?
1/4
What is the integral of (e^(3x)) with respect to x?
[(e^x)/3] +c
What is the fraction most often used to represent pi?
22/7
x^10 = 1
How many non-real solutions are there of x?
8
If a cyclic quadrilateral ABCD has angle A measuring 50 degrees, what is the measure of angle C?
130 degrees
Your sandwich can contain up to 2 servings of beef, up to 3 servings of pork, or up to 4 servings of chicken. You can also have up to 5 servings of Swiss, up to 6 servings of cheddar, or up to 7 servings of provolone. Let's say you order your sandwich at random. What is the probability that it contains at least 5 servings of food?
Who knows this is too complicated
Does the harmonic series diverge?
Yes
Each face of a dodecahedron is what polygon?
pentagon
The process of reducing the augmented matrix of a systems of equations into reduced row echelon form to solve the system is know as [what] elimination?
Gauss-Jordon
To the nearest whole number, what is the area of a hexagon of side length 5?
65
If a 30-60-90 triangle is inscribed in a circle, what is the probability that a point randomly selected from within the circle is also within the triangle?
(rad3)/(2*pi)
f(n) is a function such that there is a 50% chance that f(n) yields 1 and a 50% chance that f(n) yields -1 for any input n. What is the probability that the summation (n=0 to infinity) of the fraction [f(n) / n] converges?
1
What is the smallest perfect number?
6
What are the last 2 digits of 7^355?
43
How many rectangles (including squares) can be formed using the tiles of a chessboard?
1296
What is the probability that you select an Ace or a King in a standard deck of pincochle cards?
1/3
xy' -2y= x2
Solve the differential equation for y
y = 0.25x2
The Feynman point refers the a sequence of [how many] nines in a row in the digits of pi?
6