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3 years ago

8

A pillar 4 feet tall casts a shadow 2 feet long on the ground. If the pillar was 14 feet tall, how many feet in length would the

shadow be?

2 answers:

statuscvo [17]3 years ago

4 0

Answer:

i guess it is a 7 foot shadow

Step-by-step explanation:

DanielleElmas [232]2 years ago

4 0

Weird question

Step-by-step explanation:

I don't get the question

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Answer:

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Step-by-step explanation:

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2 years ago

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Crazy boy [7]

ANSWER

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EXPLANATION

The given series is

$\sum_{k=3}^5( - 2k + 5)$

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The expanded form is

$\sum_{k=3}^5( - 2k + 5) = ( - 2 \times 3 + 5) + ( - 2 \times 4 + 5) + ( - 2 \times 5 + 5)$

This simplifies to

$\sum_{k=3}^5( - 2k + 5) = ( - 6 + 5) + ( - 8+ 5) + ( - 10+ 5)$

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