Step-by-step explanation:
1
Answer:
5+3a=29
Step-by-step explanation:
let Ella's age be 'a'
Vicki's age=5+2a
sum of their ages= 29
So, the equation is
(5+2a)+a=29
5+3a=29
<em>hope this helps!</em>
1/2bh
1/2b4 = 18
b4= 36
b= 9 yards
Answer:
7, 10, 17
Step-by-step explanation:
4m can' t be the third side because the second side, 12m must be less than the sum of the first and third sides and can't be 19m because 19 must be less than the sum of the first and second sides.
As a rule, the measure of a side of a triangle must be less than the sum of the measures of the 2 other sides
27 cubes are needed because you'd need a 3x3x3 cube
