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timama [110]
3 years ago
11

Which list contains ONLY irrational numbers?

Mathematics
2 answers:
Black_prince [1.1K]3 years ago
8 0
The first choice is the contains only irrational number
chubhunter [2.5K]3 years ago
4 0

Answer:

The correct option is A.

Step-by-step explanation:

A real number is called a rational number if it can be represented as p/q, where p and q are two integers and q≠0. For example: 2,4/5, 0.2.

A real number is called an irrational number if it can not be represented as p/q, where p and q are two integers and q≠0. For example: π, √2, 2.333....

In option A, all numbers are irrational numbers.

Therefore option A is correct.

In option B,

\sqrt{9}=3

3 is a rational numbers, so √9 is a rational number.

Therefore option B is incorrect.

In option C,

\sqrt{144}=12

12 is a rational numbers, so √144 is a rational number.

Therefore option C is incorrect.

In option D,

\sqrt{121}=11

11 is a rational numbers, so √121 is a rational number.

Therefore option D is incorrect.

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amm1812

Answer:

a)   x₁ = 14

     x₂ = - 6

b) x = 4

c) P(max ) = 4000000 $

Step-by-step explanation:

To find the axis of symmetry we solve the equation

a) -4x² + 32x + 336 = 0

4x²  - 32x  - 336  = 0       or    x² - 8x - 84 = 0

x₁,₂ = [ -b ± √b² -4ac ]/2a

x₁,₂ = [ 8  ±√(64) + 336 ]/2

x₁,₂ = [ 8  ± √400 ]/2

x₁,₂ =( 8 ± 20 )/2

x₁  = 14

x₂ = -6

a) Axis of symmetry must go through the middle point between the roots

x = 4 is the axis of symmetry

c) P = -4x² + 32x + 336

Taking derivatives on both sides of the equation we get

P´(x) = - 8x + 32  ⇒  P´(x) = 0     - 8x + 32

x = 32/8

x = 4    Company has to sell  4 ( 4000 snowboard)

to get  a profit :

P = - 4*(4)² + 32*(4) + 336

P(max) = -64  + 128 + 336

P(max) = 400           or  400* 10000 =  4000000

     

8 0
3 years ago
Is it possible to scan a screenshot problem?
sweet-ann [11.9K]

Answer:

Yes it's possible you just got to crop it to your liking

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Answer:

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2 years ago
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dalvyx [7]
To solve the problem shown above you must apply the following proccedure:

 1. You have the following function given in the problem:

 <span> f(x)=x3–3x–2

 2. When you give values to the x and plot each point obtained, you obtain the graph shown in the figure attached.

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<span>
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6 0
3 years ago
Ricky withdrew a total of $175 from his bank account over 5 days. He withdrew the same amount each day. By how much did the amou
kifflom [539]

Answer:

$35

Step-by-step explanation:

175/5 = 35

have a nice day! (maybe get this double checked in case I did it wrong :D)

8 0
2 years ago
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