factor the 2 denominators:-
a^2 - 6a + 9 = (a - 3)(a - 3)
a^2 - 8a + 15 = (a - 3)(a - 5)
((a - 3) is common to both sets of factors so the LCD is:-
(a - 3)(a - 3)(a - 5) or this can be written as (a -3)^2(a - 5)
X+y=6 , 3x+5y=26 here is your answer:)
5x - 25 + 3x + 9 = 180
8x - 16 = 180
8x = 196
x = 24.5
9th grade
10th grade
11th grade
12th grade
4 more years until you graduate high school
Today is 2016
2016 + 4 = 2020
The year will be 2020 when you graduate high school.
Each book is 2.4cm thick; that means if you're stacking books on top of each other, that is, on their sides, each book will be 2.4 cm tall. multiply the length of each book (2.4cm) by 21 to figure out how tall 21 books together will be. 2.4 x 21 = 50.4. the shelf needs to be at least 50.4cm tall.
