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2 years ago

Square root of 12/4 irrational or rational number

Mathematics

1 answer:

Mademuasel [1]2 years ago

7 0

$\sqrt{12/4}$ can be simplified to $\sqrt{3}$ , which is an irrational number around 1.732

I hope this helps!

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F(x) = x4 - x3 - 2x- 4 factor the polynomial function over the complex numbers

olchik [2.2K]

Answer:

Step-by-step explanation:

The given function is f(x) = x⁴ - x³ -2x -4

factor the polynomial function

f(x) = x⁴ - x³ -2x -4 = (x⁴ - 4) - (x³ + 2x ) ⇒ take (-) as a common from (- x³ -2x)

= (x² + 2 ) (x² - 2) - x (x² + 2) ⇒ take (x² + 2) as a common

= (x² + 2 ) ( x² - x - 2)

= (x + √2 i) (x - √2 i) (x -2 ) ( x+1)

Notes: (x⁴ - 4) = (x² + 2 ) (x² - 2)

(x² + 2)= (x + √2 i) (x - √2 i)

( x² - x - 2) = (x -2 ) ( x+1)

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2 years ago

if the diameter of the table cloth measures 50 inches which measurement is closest to the area of the tablecloth

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50 x 3.14 = 157 i think this is the answer

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2 years ago

Find the measure of each angle indicated. Plz

PSYCHO15rus [73]

Answer:

55degrees

Step-by-step explanation:

6 0

2 years ago

a bank loaned out $18,000 part of it at the rate of 7% per year and the rest at 15% per year. if the interest received in one ye

alexdok [17]

I think it’s 2,000 but again I could be wrong I need like the options

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1 year ago

A helicopter is hovering 450 feet above the ground. The angle of elevation

SIZIF [17.4K]

Answer:

The distance of helicopter from the injured person is 542.82 feet

Step-by-step explanation:

Given as :

The height of the hovering helicopter above the ground = h = 450 feet

The angle of elevation from injured person to helicopter = Ф = 56°

Or, Let the distance of of helicopter from person = x feet

Now, From Triangle

∵ Sin Ф = $\dfrac{\textrm Perendicular}{\textrm Hypotenuse}$

∴ Sin 56° = $\dfrac{\textrm h}{\textrm x}$

Or, 0.8290 = $\dfrac{\textrm 450}{\textrm x}$

Or , x = $\dfrac{\textrm 450}{\textrm 0.8290}$

I.e x = 542.82 feet

So, The distance from injured person to helicopter = 542.82 feet

Hence The distance of helicopter from the injured person is 542.82 feet Answer

3 0

2 years ago