68.25 mph because 273÷4=68.25 so the answer is 68.25 miles per hour
Answer:
40 pints of paints
Step-by-step explanation:
there are 8 pints in a gallon
8 x 5 = 40
To solve this problem you must apply the proccedure shown below:
1. You have that:
- T<span>he equation d=1/2(n(n-3)) gives the number of diagonals for the polygon.
- The polygon that has 65 diagonals..
2. When you clear n, you obtain:
d=n(n-3)/2
d=(n^2-3n)/2
2x65=n^2-3n
n^2-3n-130=0
3. When you solve the quadratic equation, you obtain:
n=13
Therefore, the answer is: 13 sides. </span>
Answer is b because it eliminates x when these two equations are combined
Supplement is 180 degrees complement is 90 degrees
