Answer:
The range of this set of numbers is 9
Step-by-step explanation:
The range is the greatest number subtracted by the lowest number
in this problem that is 21-12
Answer:
5x-5x+8=2
Step-by-step explanation:
substitute y with -5+8
Answer:
wheres the question
Step-by-step explanation:
B = 3h . . . . . . . .given by the problem statement
A = (1/2)bh . . . . formula for the area of a triangle
486 cm² = (1/2)*(3h)*h . . . substitute given information
(2/3)*486 cm² = h² . . . . . .multiply by 2/3
√324 cm = h . . . . . . . . . . . . . .take the square root
The height is 18 cm.
The base is 3*18 = 54 cm.