3 years ago

Solve this problem plss -2 x < 12

Mathematics

1 answer:

wlad13 [49]3 years ago

5 0

Answer:

x<14

Step-by-step explanation:

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What number makes the equation true? + 13 = 47

olga_2 [115]

Answer:

x=34

Step-by-step explanation:

Just take 47-13=34

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3 years ago

A pendulum swings 80 cm on its first swing, 76 cm on its second swing, 72.2 cm on its third swing, and 68.59 cm on its fourth sw

Kisachek [45]

Answer:

$a_{n} = 80*(0.95)^{n-1}$

Step-by-step explanation:

Geometric sequences:

The nth term of a geometric sequence is given by the following equation.

$a_{n+1} = ra_{n}$

In which r is the common ratio.

This can be expanded for the nth term in the following way:

$a_{n} = a_{1}r^{n-1}$

In which $a_{1}$ is the first term.

In this question:

$a_{1} = 80, r = \frac{68.59}{72.2} = \frac{72.2}{76} = \frac{76}{80} = 0.95$

a. If the pattern continues, what explicit formula can be used find the distance of the nth swing?

$a_{n} = a_{1}r^{n-1}$

$a_{n} = 80*(0.95)^{n-1}$

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3 years ago

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Answer:

5040

Step-by-step explanation:

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