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Neko [114]
3 years ago
14

Is the following number rational or irrational? -3+π

Mathematics
1 answer:
enyata [817]3 years ago
3 0

Answer:

B, irrational

Step-by-step explanation:

We know that π is irrational, since it can not be written as a division between  natural numbers (a sub class of Real numbers called N), it's value is 3,1415(a whole bunch of decimals after this)

If you remove the decimal part of π by subtracting the integer part of it, that is the number 3. the result will still being and irrational number

Since π= 3(the rational part) +0,1415... (the irrational part)

The resut of π-=3= 0,1415...

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yarga [219]

Answer:

The angle of depression for the flight part is approximately 0.2604 degrees

Step-by-step explanation:

The given altitude at which the helicopter is flying = 50 meters

The horizontal distance of the helicopter from the helipad = 11 kilometers = 11,000 meters

The angle of depression = The angle of elevation = Arctan(Altitude/(Horizontal distance)

Therefore;

The angle of depression for the flight part = Arctan(50/(11,000)) ≈ 0.2604 degrees

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$36
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5 0
3 years ago
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kirill [66]
Solving a polynomial inequation

Solving the following inequation:

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We are going to find the sign both parts of the multiplication,

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We can see in the figure (x - 8) (x + 1) is positive when x < -8 and x > 1

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5 0
1 year ago
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borishaifa [10]

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Step-by-step explanation:

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Step-by-step explanation:

This can easily be looked up on google

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