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Korvikt [17]
3 years ago
9

A movie was 3 1/2 hours long if Lilly turned of the movie off 1/4 of the way through how much time did she spend watching

Mathematics
2 answers:
Nuetrik [128]3 years ago
7 0

Answer:

7/8 of an hour

Step-by-step explanation:

faust18 [17]3 years ago
7 0

Answer:

duration of movie = 3 hours 30 minutes

= 180 + 30

= 210 minutes

Lily turned of 1/4 of the way

time she spend watching

= 1/4 × 210

= 52.5 minutes

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<h2>Answer:</h2>

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a_{n}=a_{n-1}+(n-1)^{2}

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In the question,

The number of interaction for 1 child = 0

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a_{n}=a_{n-1}+(n-1)^{2}

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<u>At, </u>

<u>n = 1</u>

a_{n}=a_{n-1}+(n-1)^{2}\\a_{1}=a_{1-1}+(1-1)^{2}\\a_{1}=0+0=0\\a_{1}=0

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<u>n = 2</u>

a_{n}=a_{n-1}+(n-1)^{2}\\a_{2}=a_{2-1}+(2-1)^{2}\\a_{2}=a_{1}+1\\a_{2}=1

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<u>At, </u>

<u>n = 3</u>

a_{n}=a_{n-1}+(n-1)^{2}\\a_{3}=a_{3-1}+(3-1)^{2}\\a_{3}=a_{2}+4\\a_{3}=5

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<u>At, </u>

<u>n = 4</u>

a_{n}=a_{n-1}+(n-1)^{2}\\a_{4}=a_{4-1}+(4-1)^{2}\\a_{4}=a_{3}+9\\a_{4}=14

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<em><u>Therefore, the recursive equation for the pattern followed is given by,</u></em>

a_{n}=a_{n-1}+(n-1)^{2}

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