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Nataly [62]
3 years ago
7

Classify each number below as a rational number or an irrational number. −17.6 , 81 , 15π , (square root −29), 13/14

Mathematics
1 answer:
gregori [183]3 years ago
4 0

Answer:

Rational Numbers

−17.6 (-176/10)

81

13/14

Rational Numbers

15π

square root −29

Step-by-step explanation:

Rational Numbers are those numbers which can be written as Ratio of two numbers.

Irrationational Numbers are those which cannot be written as ratio of two numbers. such as recurring numbers.

e.g 0.26262626.........

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Answer:

amplitude; \frac{2}{3}

Phase shift; \pi units right

Period;\frac{2\pi}{3}

Step-by-step explanation:

The given function is

y=-\frac{2}{3}\cos(3t-3\pi)

This function is of the form;

y=A\sin (Bt+C)

The period is given by:

|A|=|-\frac{2}{3}|= \frac{2}{3}

The period is given by:

T=\frac{2\pi}{|B|}= \frac{2\pi}{|3|}=\frac{2\pi}{3}

The phase shift is given by;

\frac{C}{B}=\frac{-\3pi}{3}=- \pi or \pi units right.

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3 years ago
Find the measure of an interior angle of a regular polygon with 6 sides. Round to the nearest tenth if necessary.
Andreyy89

Answer:

120

Step-by-step explanation:

180(6-2)/6

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Step-by-step explanation:

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Sage is 7 years older than Jonathan. If Jonathan is x years old, how old was Sage 10 years ago?
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Answer:

(x-3) years

Step-by-step explanation:

We are given that

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