Answer:
Step-by-step explanation:
<u>Shaded area is the difference in the areas of big and small circles.</u>
- Circle area formula: A = πr²
- A = π(5²) - π(3²) = π(25 - 9) = 16 π = 50.2654824574 ≈ 50.27cm²
He runs 6 miles... 1/6 hour for 1 mile equals 1 hours for 6 miles
Set proportions
Let n be the number of nickels.
Let d be the number of dimes.
Our inequality is
10d + 5n ≤ 50
Have an awesome day! :)