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Dominik [7]
3 years ago
8

A 189 square foot rectangular office has a length of 21 feet. What is the width of the office?

Mathematics
2 answers:
Marizza181 [45]3 years ago
6 0
189/21=9
The width is 9 ft
pochemuha3 years ago
4 0
width=x\\\\
Area=length*width\\\\
189=21*x\ \ \ | divide\ by\ 21\\
x=9feet\\\\
Width\ is\ equal\ to\ 9\ feet.
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we are given

geometric sequence -36, 6, -1, 1/6, ...

first term is -36

a_1=-36

now, we can find common ratio

r=\frac{6}{-36}

r=-\frac{1}{6}

now, we can find nth term

a_n=a_1(r)^{n-1}

now, we can plug values

and we get

a_n=36(-\frac{1}{6})^{n-1}

now, we can find 5th term , 6th term, 7th term

fifth term:

a_5=36(-\frac{1}{6})^{4}

a_5=\frac{1}{36}

sixth term:

a_6=36(-\frac{1}{6})^{5}

a_6=-\frac{1}{216}

seventh term:

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so, next terms are

a_5=\frac{1}{36} , a_6=-\frac{1}{216}

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