whiteshawn02
07.12.2019 •
Mathematics
Constance is saving money to buy a new bike that cost 185.7 she already has 70 saved and plans to save 8 each week how many weeks will it take her to save enough money to purchase the bike i reay reallly need
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Ответ:
It will take her roughly 14.5 weeks to save enough money.
Ответ:
50.27 cm²
Step-by-step explanation:
Subtract the area of the smaller circle from the area of the larger circle
The area of a circle = πr² ( r is the radius )
area = π × 5² - π × 3² = 25π - 9π = 16π ≈ 50.27 cm² ( nearest hundredth )