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Savatey [412]
4 years ago
11

How can you use a number to explain what an integer and rational number are?

Mathematics
2 answers:
natta225 [31]4 years ago
6 0

Please give brainliest if im correct!

Natural numbers are all numbers 1, 2, 3, 4… They are the numbers you usually count and they will continue on into infinity.

Whole numbers are all natural numbers including 0 e.g. 0, 1, 2, 3, 4…

Integers include all whole numbers and their negative counterpart e.g. …-4, -3, -2, -1, 0,1, 2, 3, 4,…

All integers belong to the rational numbers. A rational number is a number

ab,b≠0

Where a and b are both integers.

Example

The number 4 is an integer as well as a rational number. As it can be written without a decimal component it belongs to the integers. It is a rational number because it can be written as:

41

or

82

or even

−8−2

Whereas

15=0.2

is a rational number but not an integer.

A rational number written in a decimal form can either be terminating as in:

15=0.2

Or repeating as in

56=0.83333...

All rational numbers belong to the real numbers.

If you look at a numeral line

picture05

You notice that all integers, as well as all rational numbers, are at a specific distance from 0. This distance between a number x and 0 is called a number's absolute value. It is shown with the symbol

|x|

If two numbers are at the same distance from 0 as in the case of 10 and -10 they are called opposites. Opposites have the same absolute value since they are both at the same distance from 0.

|10|=10=|−10|


Read more on Brainly.com - brainly.com/question/11475726#readmore

Ray Of Light [21]4 years ago
5 0
An integer is basically a whole number and any other number that is not a fraction but a rational number is any number that can be expressed as the quotient or fraction. EVERY INTEGER IS A RATIONAL NUMBER!

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Find (-21)+(-13)+20.
Fed [463]

Answer:

14

Step-by-step explanation:

-21+-13+20=14

This is true because when subtracting negatives by negatives you pretty much add them and then when you add a positive to a negative you are technically removing the negative by the amount you are adding.

In short its kind of like using inverse operation in a way.

Hope this helps and have a nice day

Also may I please have a brainliest!!!

5 0
3 years ago
What pattern would to you expect when two variables are related by a linear model with a positive slope
olganol [36]
There isnt one its has to be consistent but honestly idk
4 0
3 years ago
Two mechanics worked on a car. The first mechanic charged $65 per hour, and the second mechanic charged $90 per hour. The mechan
Katena32 [7]

Answer:

First mechanic worked 20 hours and second mechanic worked 5 hours

Step-by-step explanation:

Let the number of hours the first mechanic worked = a

Let the number of hours the second mechanic worked = b

Therefore, we can write 2 equations and then solve them simultaneously:

a+b=25

65a+90b=1750

Rearranging the first equation: a=25-b

and substituting into the second equation to find b:

65(25-b)+90b=1750

1625-65b+90b=1750\\
25b=125\\
b=5

Now sub b=5 into the first equation to find a

a+5=25\\
a=20

Therefore, first mechanic (a) worked 20 hours and second mechanic (b) worked 5 hours

4 0
2 years ago
Solve the following:<br> a) 4x-3 = 2x + 7<br><br> b)<br> 2x+6=7x14
Igoryamba

\huge \qquad \qquad \sf \underline{Answer}

\textbf {Let's Solve :}

<h3>Question 1 :</h3>

  • \textsf{4x - 3 = 2x +7}

  • \textsf{4x -2x = 3 +7}

  • \textsf{2x = 10}

  • \textsf{x=5}

<h3>Question 2 :</h3>

  • \sf{2x + 6 = 7 \times 14}

  • \sf{2x + 6 = 98}

  • \sf{2x  = 98-6}

  • \sf{2x = 92}

  • \sf{x=46}

6 0
2 years ago
What number has the same value as 50 tens
Elina [12.6K]
50 tens would be 50 x 10 = 500
3 0
3 years ago
Read 2 more answers
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