50 POINTS FOR 5 QUESTIONS, THEY SHOULD BE PRETTY EASY IF UR PAST 7TH GRADE. ANSWER QUICKLY PLEASE AND I'LL BE DONE FOR THE DAY T
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1 answer:
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Answer:
Step-by-step explanation:
Perimeter of semicircle =
Where r = 11 cm
=> P =
=> P =
=> P = 56.55751919 cm
Answer:
21.09 ft/s
Step-by-step explanation:
The first step is to create the ratio of speed/time.
Next we must simplify
Next we must convert 14 miles in to feet. There are 5280 feet in a mile.
14 * 5280ft = <u>75,920 feet</u>
Now for hours into seconds.
1 hour = 60 min, 60 min = 3600 seconds
Our new ratio is \frac{75920ft}{3600sec}
simplify.
75920ft / 3600sec = 21.09ft/s