Math Flashcards

0
Q

What is the smallest whole number which has a remainder of 4 when divided by five, a remainder of 3 when divided by 4, a remainder of 2 when divided by 3, and a remainder of 1 when divided by 2?

A

59

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1
Q

Mean, median, mode, variance, range, and standard deviation are all terms associated with which branch of Mathematics?

A

Statistics / Probability

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2
Q

What are the only known Wilson Primes?

A

5, 13, 563

(p-1)!+1 = x{/p} = y{/p} (x and y will be whole numbers if it is a Wilson prime)

(5-1)!+1 = 1•2•3•4+1 = 25{/5} = 5{/5} = 1

{new step}
(p-1)! +1 = x{/p} (which with be a whole number) works for ALL primes

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3
Q

What is the angle of depression?

A

angle between the horizontal and the line of sight to an object beneath the horizontal

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4
Q

Name the mean which is typically used for averaging rates and can be found with this formula:

H= n/((1/x1)+(1/x2)+(1/x3)…+(1/xn))

A

Harmonic mean

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5
Q

Who is credited with this theorem?
If equilateral triangles are constructed on the sides of any triangle, then the centres of those triangles form another equilateral triangle.

A

Napoleon Bonaparte

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