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3 years ago

Is -32 an irrational number

Mathematics

2 answers:

dybincka [34]3 years ago

8 0

Answer:
The answer is nope

Mars2501 [29]3 years ago

6 0

An irrational number is a real number which cannot be expressed as ab where a and b are integers. As 71=7 and 7 and 1 are integers, this means 7 is not an irrational number. So no, -32 is not an irrational number.

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If the degree of a polynomial function is even and the leading coefficient is negative, then the end behavior of the function is

-Dominant- [34]

Answer:

Its the last option.

Step-by-step explanation:

The function will rise from the left and descend to the right.

f(x) ---> -∝ as x ---> -∝ and f(x) ---> -∝ as x ---> ∝

4 0

2 years ago

What is the perimeter of the triangle

KengaRu [80]

The perimeter of the triangle is 40 units

<h3>Perimeter of a triangle</h3>

From the question, we are to determine the perimeter of the given triangle

From the given diagram, we can observe that the triangle is a right triangle

The vertical length of the triangle is 15 units

and the horizontal length of the triangle is 8 units

Thus,

We can find the hypotenuse by using the<em> Pythagorean theorem </em>

Let the hypotenuse be h

Then,

h² = 15² + 8²

h² = 225 + 64

h² = 289

h = √289

h = 17 units

Now, for the perimeter of the triangle

The perimeter of a triangle is the sum of all its three sides

Thus,

The perimeter. P, of the triangle is

P = 15 + 8 + 17

P = 40 units

Hence, the perimeter of the triangle is 40 units

Learn more on Calculating perimeter here: brainly.com/question/17394545

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4 0

2 years ago

What is the surface area of the cube below? 9 9 9

Natali5045456 [20]

Answer:

$A_s=486\ units^2$

Step-by-step explanation:

Remember that the sides of a cube always have the same length.

In this case the length of the sides L is:

$L = 9$ .

The cubes have 6 faces. Then the surface area of the cube is equal to the area of its 6 faces.

Since all sides of the cube have the same measure, then the area of each face is:

$A = L ^ 2$

Then the area of the 6 faces is:

$A_s = 6L ^ 2$

$A_s = 6 * (9 ^ 2)$

$A_s=486\ units^2$

3 0

3 years ago

Solve the following equation; domain 0< x < 360; 3 cot x + sqrt 3 = 0

kondaur [170]

ANSWER

$x =120 \degree \: or \: 300 \degree$

EXPLANATION

We want to solve the trigonometric equation

$3 \cot(x) + \sqrt{3} = 0$

We group like terms to obtain,

$3\cot(x) = - \sqrt{3}$

Divide both sides of the equation by 3 to get,

$\cot(x) = - \frac{ \sqrt{3} }{3}$

We can reciprocate both sides to get,

$\tan(x) = - \frac{3}{ \sqrt{3} }$

We simplify the right hand side to get,

$\tan(x) = - \sqrt{3}$

Since the tangent ratio is negative, it implies that it is either in the second quadrant or fourth quadrant.

In the second quadrant,

$x = 180 \degree - arctan( \sqrt{3})$

$x = 180 \degree - 60 \degree = 120 \degree$

In the fourth quadrant,

$x = 360 \degree - arctan( \sqrt{3})$

$x = 360 \degree - 60 \degree$

$x = 300 \degree$

6 0

4 years ago

Watch one piece

viktelen [127]

Is one piece good? and how long is it?

3 0

3 years ago