3 years ago

Is 2.356... rational or irrational

Mathematics

2 answers:

777dan777 [17]3 years ago

6 0

Answer:

Rational

Step-by-step explanation:

Arisa [49]3 years ago

6 0

It is rational. All decimals are rational as long as they are not repeating decimals!

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vaieri [72.5K]

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3 years ago

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Determine side x. Round to the nearest unit. 20 9 12 5

tatyana61 [14]

Answer:

Step-by-step explanation:

First, you will have to use trigonometry. Since the side of the triangleis the opposite of the angle 53 and the hypotenuse, you will use sin.

Sin 53 degrees = opposite side / hypotenuse side.

The opposite side is x and the hypotenuse side equals 15.

sin53= x/15

15 ( sin 53 ) =x

x= 11.97953

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3 years ago

Expand: In (4a)^3<br> help please

Gala2k [10]

Answer: 3ln4 + 3lna

Step-by-step explanation:

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2 years ago

F(x)=<img src="https://tex.z-dn.net/?f=%28x%2B1-%7Cx-1%7C%29%2F2" id="TexFormula1" title="(x+1-|x-1|)/2" alt="(x+1-|x-1|)/2" ali

katrin [286]

Answer:

$f(g(x))=\dfrac{|x|+1-||x|-1|}{2}$

Step-by-step explanation:

The most straightforward way is direct substitution of g(x) for x in f(x):

$f(g(x))=\dfrac{|x|+1-||x|-1|}{2}$

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3 years ago

The perimeter of a shape shows a car racing track, how far does a car travel in a race which consists of 23 laps 1.2km , 1.2 km

inna [77]

Answer:

110.4km

Step-by-step explanation:

1 lap is equal to 4.8

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(Need someone to confirm)

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3 years ago