Answer:
X=5
Step-by-step explanation:
Answer:
A: 8 x 10^6
Step-by-step explanation:
139.25 in = 11 ft 7.25 in
149 3/16 in= 12 ft 5.2 in
9/21 because it can still be reduced to 3/7
Answer:
x = 31
Step-by-step explanation:
The perimeter is the sum of the equal-length sides:
63 = (x -10) +(x -10) +(x -10)
63 = 3x -30 . . . . . . . . collect terms
21 = x -10 . . . . . . . . . . divide by 3
31 = x . . . . . . . . . . . . . add 10
