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3 years ago

14

Marie has hours to write a 45 page chapter for her book if Marie writes at a constant speed of 4 pages per hour will Marie compl

ete the chapter on time

1 answer:

Anastasy [175]3 years ago

7 0

Answer:

She will not complete the book on time

Step-by-step explanation:

4 pages an hr

45/4 = 11.25, meaning it will take 11.25 hours for Marie to finish her book

11.25 hours= 11 hours 15 minutes

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Answer:

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Step-by-step explanation:

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3 years ago

Find the 12th term of the geometric sequence 7, -35, 175

Svetllana [295]

Answer:

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Step-by-step explanation:

Given geometric sequence is: 7, -35, 175

$a_1= 7$

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nth term of a geometric sequence is given as:

$a_n= ar^{n-1}$

Plug the values of a, r and n in the above equation, we find:

$a_{12} = 7\times (-5)^{12-1}$

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$a_{12}= 7\times -48,828,125$

$\purple {\bold {a_{12}= -341,796,875}}$

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