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Show work! 2. How long will it take a rock to drop from the top of a 67.8 m high building? (3.72 s)?

Science & Mathematics by Anonymous 2018-05-19 10:39:33

Social Science

Show work! 2. How long will it take a rock to drop from the top of a 67.8 m high building? (3.72 s)?

4 answers

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Significant figures question?

Science & Mathematics by Anonymous 2018-05-19 10:39:32

Social Science

Significant figures question?

2 answers

When performing the calculation 34.530 g + 12.1 g + 1 222.34 g, the final answer must have:? The correct answer is only one decimal place. How do you arrive at the answer? Thank you for your help.

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I spent $13.50 to purchase 9 items for school. I bought some pens at $1.00 each, some folders at $1.50 each, and some notebooks at $2.50?

Science & Mathematics by Anonymous 2018-05-19 10:38:38

Social Science

I spent $13.50 to purchase 9 items for school. I bought some pens at $1.00 each, some folders at $1.50 each, and some notebooks at $2.50?

2 answers

Each. How many pens, folders, and notebooks did I buy?

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Jeff and Kirk can build a​ 75-ft retaining wall together in 6 hours. Because Jeff has more​ experience, he could build the wall by himself?

Science & Mathematics by Anonymous 2018-05-19 10:38:07

Social Science

Jeff and Kirk can build a​ 75-ft retaining wall together in 6 hours. Because Jeff has more​ experience, he could build the wall by himself?

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Why do people think UFO's are extratrestrail visitors ?

Science & Mathematics by Anonymous 2018-05-19 10:38:06

Social Science

Why do people think UFO's are extratrestrail visitors ?

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Why would alien visit this backward dump of a planet.

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