3 years ago

Find the surface area of a sphere. Use 3.14 for pi and round to the nearest tenth. R=6.25

Mathematics

1 answer:

Simora [160]3 years ago

3 0

Yes that is correct 3.14 is r = 6.25 smile

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3 years ago

A local little league has a total of 85 players, of whom 40% are left-handed. How many left-handed players are there?

Mkey [24]

Answer:

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3 years ago

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fgiga [73]

Step-by-step explanation:

$\triangle HFM \sim \triangle PST... (Given) \\\\\therefore \frac{HF}{PS} = \frac{FM}{ST} = \frac{HM}{PT}...(csst) \\ \\ \therefore \frac{30}{PS} = \frac{35}{ST} = \frac{45}{9}\\ \\ \therefore \frac{30}{PS} = \frac{35}{ST} = \frac{5}{1} \\ \\ \therefore \frac{30}{PS} = \frac{5}{1} \\ \\ \therefore PS = \frac{30}{5} \\ \\\boxed{ \therefore PS = 6 }\\ \\ \because \: \frac{35}{ST} = \frac{5}{1} \\ \\ \therefore \: ST = \frac{35}{5} \\ \\ \boxed{\therefore \: ST = 7} \\ \\ perimeter \: of \: \triangle PST \\ = 9 + 7 + 6 \\ = 22 \: units$