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Sergio039 [100]
3 years ago
13

Identify all sets to which the number belongs. –0.249851765...

Mathematics
2 answers:
Ulleksa [173]3 years ago
3 0

Answer:

i. Irrational numbers

ii. Real numbers

Step-by-step explanation:

The given decimal is –0.249851765...

This number does not recur and it does not also terminate.

It belongs to the set of irrational numbers because it cannot be written in the form \frac{a}{b} where a,b\in R and b\ne0.

This numbers also belongs to the set of real numbers.

antoniya [11.8K]3 years ago
3 0

Answer:

 

irrational

Step-by-step explanation:

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What is the correct method of recording numerical information from an experiment?
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Answer:

The correct method for recording numerical information from an experiment is the quantitative method.

Step-by-step explanation:

This method represents the way of recording that tracks variables (sometimes more than one) and how they interact with each other. This will help to establish relationship within your experiment.

8 0
3 years ago
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Find the area of this shape <br><br> please
Elena-2011 [213]
<h3>Area \:of\: rectangle  = l \times b \\  = 3 \times 6 \\  = 18 {cm}^{2}</h3><h3>Area\: of\: triangle  =  \frac{ab}{2}  \\  =  \frac{4 \times 6}{2}  \\  = 12 {cm}^{2}</h3>

Total area = 12 + 18 = 30cm²

7 0
2 years ago
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Whats the answer &amp; how do I solve it ?
Veseljchak [2.6K]

Answer:

Area of rectangle = 225/2 or 112.5

Step-by-step explanation:

Given,

Consider a rectangle ABCD.

Let AC be a diagonal of rectangle of length   = 15

In triangle  ABC.

Sin 45° =height/hypotenuse   {SinФ = height / hypotenuse}

Here, hypotenuse = diagonal of rectangle ( i.e AC = 15)

And height is AB

Therefore, sin 45° = AB/AC

or sin 45° = AB / 15

or 1/√2 = AB /15

AB = 15/√2

Similarly we can find Base (i.e BC) using cosine.

Cos 45° = Base/Hypotenuse

Cos 45° = BC / AC

or  1/√2 = BC/15

BC = 15/√2

Hence we got length of rectangle , AB= 15/√2

And width of rectangle , BC = 15/√2

Therefore, area of rectangle = Length × Width

Area of rectangle = 15/√2  ×   15/√2  = 225/2

Hence, area of rectangle = 225/2 = 112.5

6 0
3 years ago
calculate gas mileage of car that drives 283 miles on 12.3 gallons of gas andround to nearest tenth of a mpg
Studentka2010 [4]
283 divided by 12.3 = 23.008 and rounded it will just be 23.
5 0
2 years ago
Find the missing side of the triangle. leave your answer in simplest radical form
KIM [24]

missing side is x} = 10.15 mi .

<u>Step-by-step explanation:</u>

Here we have the following info from the figure: A right angled triangle with following dimensions

Perpendicular = x

base = \sqrt{122}

Hypotenuse = 15

By Pythagoras Theorem :

Hypotenuse^2 = Perpendicular^2 + base^2

⇒ Hypotenuse^2 = Perpendicular^2 + base^2

⇒ 15^2 = x^2 + (\sqrt{122})^2

⇒ 225 = x^2 + 122

⇒ x^2 = 225-122

⇒ x^2 = 103

⇒ (x^2)^\frac{1}{2} = (103)^\frac{1}{2}

⇒ x} = (103)^\frac{1}{2}

⇒ x} = 10.15

Therefore, missing side is x} = 10.15 mi .

8 0
3 years ago
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