Algebra
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0.777777777
What is 7/9?
Find the probability that a random person's birthday is in February of this year.
What is 28/365?
Find the reference angle of 795°.
What is 75˚?
He was known for the Pythagorean theorem, although it may have been proposed before his time.
Who was Pythagoras?
This is the approximate weight of Mount Everest.
What is 357 trillion pounds?
simplify:
(-2x4)3(-2x2)2
What is -32x16?
A urn contains 6 red marbles and 4 black marbles. Two marbles are drawn from the urn without being replaced. Find the probability that both of the marbles are black.
What is 2/15?
Find the period of y=cos8x.
What is pi/4?
This mathematician created a score that alter helped create the Richter scale.
Who was John Napier?
This is how fast squirrels can run.
What is about 20 miles per hour?
Find the value of a when x =/= 2/a, and a is a constant
(24x2 + 25x - 47)/(ax - 2) = (-8x - 3)(ax - 2) - 53.
What is a=-3?
Find the many different ways can you arrange the letters X, Y, and Z.
What is 6?
Find the arc length of a circle whose radius is 4 inches and center angle is 40˚.
What is 2.79 inches?
He was known as the "father/founder of geometry.
Who was Euclid?
This sequence is common in nature, such as in the shape of a snail shell.
What is the Fibonacci sequence?
Simplify (x6 + a2x3y)/(x6-a4y2)
What is x3/(x3-a2y)?
John has two kids. At least one of the kids is a girl. Find the probability that the other kid is female.
What is 1/3?
Find the phase shift of y=cos(-3x+pi/2).
What is -pi/6?
A statistician mainly known for her nursing contributions during the Crimean War.
Who was Florence Nightingale?
This is the total miles of lanes in Texas.
What is about 679,917 miles?
3x + 2x = 8x
What is x ≈ 0.59170974?
In one state, 52% of the voters are Republicans, and 48% are Democrats. In a second state, 47% of the voters are Republicans, and 53% are Democrats. Suppose a simple random sample of 100 voters are surveyed from each state. Find the probability that the survey will show a greater percentage of Republican voters in the second state than in the first state.
What is 0.24?
The solution of the inverse function cos(arcsin 8/x).
What is (√x^2-64)/(x)?
This mathematician, astronomer, and physicist created the first camera.
Who was Hasan Ibn Al-Haytham?
58 million pounds
What is the approximate weight of the amount of chocolate bought the week before Valentine's day?