2017年4月29日 · See the solution process below; To add two fractions, both fractions must be over a common denominator. For this problem the Least Common Denominator is …

2018年3月16日 · To subtract the numerators (numbers at the top), find a common denominator (number at the bottom), which in this case I'll use 6, since 6 is a common multiple of both 6 …

2016年6月18日 · make the denominator common then add. Explanation: #2/3+5/6# = #(2*2)/(3*2)+5/6# = #9/6# = #3/2#

2017年8月1日 · See a solution process below: First, we want to subtract the numbers within the parenthesis. However, to do this we must put each number over a common denominator. We …

2017年3月4日 · PMF for discrete random variable X:" " p_X(x)" " or " "p(x). Mean: " "mu=E[X]=sum_x x*p(x). Variance: " "sigma^2 = "Var"[X]=sum_x [x^2*p(x)] - [sum_x x*p(x)]^2. …

3.) 2, 5, 7, 12 in not because difference between first and second is 3, difference between second and third is 2, difference between third and fourth is 5. No common difference so it is not an …

2017年1月30日 · After some trial and error, I found that the lowest number that works is 300, which is 5xx60. When we take 300+1=301, 301-:7=43. With some more trial and error, I found …

2016年6月22日 · This is stating that 5 is raised to the power of 2 but because we have negative 2 we have to invert it ( turn upside down ). So write #5^(-2)" as "5^(-2)/1# Note that writing as …

2016年9月3日 · The linear equation in point slope form is y-6=2/3(x-5). The general equation for a line in point slope form is y-y_1=m(x-x_1), where m="slope"=2/3", x_1=5, and y_1=6. To get …

2016年4月4日 · 2(3)+2(5)+2(6) = 2 xx 2 xx 7 All of the terms are divisible by 2, so you can separate that out first: 2(3)+2(5)+2(6) = 2(3+5+6) = 2(14) Then factor 14 by noting that it is …