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Masja [62]
2 years ago
8

???????????????????? :((​

Mathematics
1 answer:
erica [24]2 years ago
3 0

Step-by-step explanation:

1. Not all rational numbers are whole numbers.  Whole numbers can be rational numbers, if expressed in fraction form.  For example, 1 can be expressed as \frac{1}{1}.  A set of rational numbers consists of a set of numbers written as a quotient of two integers, a and b, in the form \frac{a}{b} , where b ≠ 0.  The reason why b ≠ 0 because division by zero is an undefined mathematical operation.

2. Irrational numbers differ from rational numbers in terms of its representation: while the rational numbers can be expressed as a ratio or in fraction form, irrational numbers <em>cannot</em> be expressed in fraction form.

Irrational numbers are a set of numbers for which its decimal representations is neither <em><u>terminating</u></em>, nor <em><u>repeating</u></em>.  A couple examples of irrational numbers are:  π and \sqrt{2}, as their decimal representations do not come to an end and doesn't have a block of repeating digits.

3. All real numbers are rational numbers. <u>Real numbers</u> comprise of natural numbers, whole numbers, integers, rational numbers, and irrational numbers.

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In the parking lot there are 1960 convertibles and 490 minivans, for a total of 2450 cars all together what is the ratio of cars
Sidana [21]

Answer: 5:4

Step-by-step explanation:

Given : The number of convertibles  = 1960

The number of minivans = 490

Total cars =  2450

The ratio of A to B can also be written as \dfrac{A}{B}.

The ratio of cars to convertibles = \dfrac{\text{Number of cars}}{\text{Number of convertibles}}

=\dfrac{2450}{1960}\\\\=\dfrac{5}{4}\ \ \ \text{[Simplest form]}

Hence, the  ratio of cars to convertibles = 5:4

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2 years ago
If sintheta = cos theta then the value of acute angle is ​
Lelu [443]

Answer:

45 degrees

Step-by-step explanation:

Here, we want to get the value of the acute angle

From the question, we have it that the sin of the acute angle equals its cosine

Recall;

cos A = sin (90-A)

Hence, if A is 45, then Cos A and Sine A will be the same

This means the value of theta which is the acute angle is 45 degrees

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3 years ago
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Find all polar coordinates of point p where p= (5, pi/3)
m_a_m_a [10]

The polar coordinate of any point can be written as:

(r, θ) = (r, θ + 2nπ)                                           when positive

 (r, θ) = [ - r, θ + (2n + 1)π ]                            when negative

The polar coordinates of this given point P is: P = (r, θ) = (5, π/3).

When the value of r is positive, the polar coordinate is written as P= (5, π/3) = (5, π/3 + 2nπ)

When the value of r is negative, the polar coordinate is written as P = (5, π/3) = [ - 5, π/3 + (2n + 1)π] where n is any integer.

Therefore all polar coordinates of point P are (5, π/3 + 2nπ) and [ - 5, π/3 + (2n + 1)π ].

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3 years ago
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