Step-by-step explanation:
<A + <B = 180
6x-35+ 3x+53=180
9x=162
x=18
<A= 6(18) -35
<A= 73°
Answer:
1/20
Step-by-step explanation:
So, he eats 5/8 of 1/3 of the pizza. That would be 5/8*1/3=5/24
Then, he eats 2/5 of what is left. What is left is 3/8*1/3=1/8.
So, 1/8*2/5=1/20
Therefore, Teddy ate 1/20 of the original pizza
Answer with Step-by-step explanation:
We have to calculate (n-1)!
We know that n!=n×(n-1)×(n-2)×...3×2×1
n=4 3!=3×2×1=6
n=6 5!=5×4×3×2×1=120
n=23 22!=22×21×20×19×18×17×16×...1
n=24 23!=23×22!
Answer:
The hummingbird beats its wings 86 400 times in one hour.
Step-by-step explanation:
There are 60 minutes in an hour. There are 60 seconds in a minute.
1h = 60m
= 60 × 60s
= 3600s
1s = 24 times
3600s = 24 × 3600
= 86 400 times