3 years ago

Complete the following sentence using the correct term. 14 is a ________ of 7 and 14.

Mathematics

2 answers:

Sidana [21]3 years ago

8 0

Answer:Complete the following sentence using the correct term.

14 is a ________ of 7 and 14.

Step-by-step explanation:

PIT_PIT [208]3 years ago

7 0

14 is a multiple of 7 and 14

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2.5

Step-by-step explanation:

From the diagram, figure B was enlarged to obtain figure A.

The two figures are therefore similar.

The corresponding sides are in the same proportion. That constant value of the proportion is called scale factor.

It is given by:

$k = \frac{image \: length}{corresponding\:object \: length}$

Figure B is the image of A

$k = \frac{10}{4} = \frac{25}{10} = \frac{21.5}{8.6} = 2.5$

Therefore the scale factor is 2.5

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3 years ago

How many terms are there in a geometric series if the first terms is 2, the common ratio is 4, and the sum of the series is 2,73

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Substituting the given numbers, you have
$2730=2\dfrac{4^{n}-1}{4-1}\\\\2730\dfrac{3}{2}=4^{n}-1\\\\4096=4^{n}\\\\\dfrac{\log(4096)}{\log(4)}=n=6$

There are 6 terms in the series.

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