The standard deviation.z-score of a value=(that value minus the mean)/(standard deviation)
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33.6/17.6 multiply the numerator and the denominator by 10 = 336/176 divide the numerator and the denominator by 16 = 21/11or = 1 10/11
Yes, any time you have a numerator and a denominator that can be divided evenly by the same number it can be reduced. If you devide the numerator (560) and the denominator (1000) both by 8, you end up with 560/1000 = 70/125.
you put the fraction in simplest form (the numerator and denominator have no common factors besides one) then you find what number your variable should be to make the denominator 0. this is excluded value b/c your denominator can never equal 0 the number you found is your excluded value ex. 4 ------ Your excluded value is 3 because 3(3-3)=0 x(x-3)
Change to common denominator 1/3 + 2/9 = 3/9 + 2/9 Add the numerators 3 + 2 = 5 Place the sum (5) over the common denominator (9). 5/9 is the answer.
To determine how many sixths are in two thirds, you need to convert both fractions to have a common denominator. In this case, the common denominator is 6. Two thirds is equivalent to four sixths, so there are four sixths in two thirds. This can be calculated by multiplying the numerator and denominator of two thirds by 2 to get 4/6.