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77julia77 [94]
3 years ago
14

A singing contest eliminates contestants after each round. The number of contestants that go into round n is equal to the number

of contestants in the previous round raised to the n-1/n ​-th ​power, rounded to the nearest integer. The number of contestants in Round 2 is 243. How many contestants will be in Round​ 5?
Mathematics
1 answer:
dlinn [17]3 years ago
6 0
153 don’t take my word for just but I hope this is a little helpful
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Read 2 more answers
Substitute x = 5 into the expression (-2)x + 6. Do you get -4? Substitute x = -1 into the expression (-2)x + 6. Do you get - 4 W
8090 [49]

Answer:The first method, by substituting  5 into the expression   (-2)x + 6 gives the coreect answer of   -4

Step-by-step explanation:

Ist method

Substituting  x = 5 into the expression   (-2)x + 6,  we have

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2nd method

Substitute x = -1 into the expression (-2)x + 6,we have

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larisa86 [58]

Answer:

The light pole is 18 feet tall. This is because it casts a shadow that is 9 feet long.

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