A groundskeeper needs grass seed to cover a circular field 380 feet in diameter A store sells 70 pound bags of grass seed. One p ound of grass seed covers about 500 square feet of field. What is the smallest number of bags the groundskeeper must buy to cover the circular field
2 answers:
4 bags.........................
Answer:
4 bags
Step-by-step explanation:
the formula for area is A=3.14 x r^2, r is radius, found by 380 divided by 2, giving you A=3.14 x 190^2, giving you 113,000. divide by 500, giving you 226, then divide by 70, giving you 3 and a decimal, round up, and you get 4.
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Step-by-step explanation:
ration and proportion
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x 20.9 m
------ = --------
56 m 26 m
x = (20.9 * 56) / 26
x = 45 m
therefore the width of a river is 45 m
Answer:
b
Step-by-step explanation:
Area of rectangle is 7x9 which is 63
Answer:
A = 5/12 x^2
Step-by-step explanation:
A = 1/2 bh
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