The diagonals of a square bisect one another and are perpendicular.
so 21x+ 16.5 = 90
subtract 16.5 from each side
21x = 73.5
divide by 21 on each side
21x/21 = 73.5 /21
x = 3.5
Answer:
The experimental probability is 4%
Step-by-step explanation:
31 I think I’m not sure may be wrong
Answer:
384.3
Step-by-step explanation:
Answer:
who is this
Step-by-step explanation:
who deleated this and why