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marishachu [46]
3 years ago
9

Is -13 a natural number whole number integer rational number irrational number or a real number

Mathematics
1 answer:
Alborosie3 years ago
3 0

Answer:

-13 is an integer, a rational number and also a real number

Step-by-step explanation:

-13 is an integer, a rational number and also a real number

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Evaluate the following expression <br> 20/ 2 + 8
vitfil [10]

Answer:

18

Step-by-step explanation:

20/2 + 8

Divide the numerator and denominator by 2

20 / 2

2 / 2

Divide the numbers

10

2 / 2

=

10 / 1

Any expression divided by 1 remains the same

10 + 8 = 18

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3 years ago
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Alexxx [7]

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Step-by-step explanation:

8 0
3 years ago
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Onyango bought p oranges and later on 1%are bad how many oranges remained​
Paraphin [41]

Answer:

100% all of them

Step-by-step explanation:

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2 years ago
What is the square root of four
xz_007 [3.2K]

Answer:

It is +2 or since (+2)*(+2 ) gives. If you think that it would be (-2) also then you are wrong because root of a positive rational number is always positive number.

Step-by-step explanation:

Let the square root of four be ‘k’.

Then we have

(4)^1/2=k

(Squaring both sides)

4=(k)^2

=>(k)^2–4=0

=>(k)^2-(2)^2=0

=>[k+2][k-2]=0 {since (a)^2-(b)^2=(a+b)(a-b)}

if product of two numbers is 0 then either of one must be zero.

If k+2=0 then k=-2

If k-2=0 then k=2

From here we got two answers but -2 should be omitted because when we square an equation we add “root extra”which means that when we square an equation one root is added.

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Delvig [45]

Answer:

A

Step-by-step explanation:

6 0
2 years ago
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