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valentinak56 [21]
3 years ago
13

When a person 6 feet tall casts a shadow

Mathematics
2 answers:
yan [13]3 years ago
5 0

Answer:

75 feet

Step-by-step explanation:

amm18123 years ago
5 0

Answer:

27

Step-by-step explanation:

Proportion

6 feet man/10 feet shadow = x (tree) / 45 feet (shadow)

6/10 = x /45            Cross multiply

10x = 45*6

10x = 270

x = 270/10

x = 27

The tree is 27 feet long

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3 years ago
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Step-by-step explanation:

The quotient of 5 1/2 is greater than 5 because if you convert 5 1/2 to a decimal, it becomes 5.5.

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3 0
3 years ago
Prove that there are no positive perfect cubes less than 1000 that are the sum of the cubes of two positive integers?
valentina_108 [34]

The perfect cubes less than 1000 are: 

<span>1^3 = 1 </span>
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<span>3^3 = 27 could be 1 + 1, 1 + 8 or 8 + 8, but all of these are too small </span>
4^3 = 64 could be 1 + 1, 1 + 8, 1 + 27, 8 + 8, 8 + 27, 27 + 27.
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3 years ago
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MariettaO [177]

Answer:

7) <u>2</u>

6

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6 0
3 years ago
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