# Mathematics

3×5=15 – three times five equals
three multiplied by five equals fifteen
Reflection (Flip) – The transformed shape is a mirror image of the original
Experimental probability – Use real data of experiments to calculate probabilities
Sigma – Used to denote a series
If 7/2x-4/3x=13/12,then x is – 2
ways that a ratio may be expressed – 1) as a fraction 2) by placing a colon (:) between the two numbers, 3) by using the word "to" between the two numbers
Number of diagonals that can be drawn on an n-sided polygon – d = (n(n-3))/2
Receive – When you receive something you take what someone gives you.
Pythagoras' Theorem – A squared = B squared + C squared
bar graph – graph that uses bars to show data
Find the standard deviation, , for the binomial distribution which has the stated values of n and p. Round your answer to the nearest hundredth.n = 21; p = 0.2
Disjoint Set – If intersection between two sets is the empty set, the two sets are disjoint.
pythagorean theorem – 勾股定理
Find the stаndаrd deviаtiоn, , fоr the binоmial distribution which has the stated values of n and p. Round your answer to the nearest hundredth.n = 21; p = 0.2
nought point five – cero coma cinco
Common difference – The difference between successive terms of an arithmetic sequence
displace – przenosić / przesuwać
Convert 3/4 pi radians into degrees. – 135 degrees

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