Answer:
The number of test required is: 55
Explanation:
Using combination formula:
n!/x!(n-x)!
= 11!/2!(9)!
= 55
Answer:
25 doughnuts
Step-by-step explanation:
for 15 workers,
the numbers of doughnuts =
5 doughnuts/3 workers × 15 workers
= 75/3 doughnuts
= 25 doughnuts
Answer:
the pole is 24 feet tall
Step-by-step explanation:
the mirror make every thing half its size
9/100, let me know if this helps.
