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WINSTONCH [101]
4 years ago
13

Karen got a bit confused in math class today when Mrs. Hudson was talking about the different subsets for classifying real numbe

rs. Create a visual representation of the relationships between subsets of the real number system and explain the relationships in words. Provide a real number that matches each description. For example, 1/2 is a rational number, but it is not a whole number, natural number, or an integer.

Mathematics
2 answers:
VashaNatasha [74]4 years ago
4 0
Let me give the significations following
natural numbers :ACA  counting numbers the numbers you naturally say when counting.
whole numbers: include all natural numbers zero
Integers: include all whole numbers and their opposites.
Rational: can be written ASA fraction or ratio of two integers also decimals that terminate or repeat 
Irrational: can not be written a fraction, decimals, do not terminate or repeat.




zhannawk [14.2K]4 years ago
3 0

Answer:

1, 0,  -30,000, 1/3, pi

Step-by-step explanation:

Natural Numbers, the counting set. N = {1,2,3,...}

1 rock,

a)Whole Numbers  set was developed when it was necessary to pick a number for the no quantity. the ZeroZ_{z>=0}.

Z ≥ 0. There is no official symbol for this Set.

1 rock smashed the barn. My stocked harvest in there turned out to worth $ 0

b)Integers Numbers was developed mainly to tackle financial matters.

Introducing the negative numbers. Z={...-3,-2,-1,0,1,2,3,...}

1 rock smashed the barn. My stocked harvest in there turned out to worth $ 0. The bank said I owe $ -30,000. -30,000 is an integer but not natural nor whole

c) Rational Numbers. They were developed as a set when fractions appeared. Q ={ ...-5/7.,....0,..1/2,}

1 rock smashed the barn. My stocked harvest in there turned out to worth $ 0. The bank said I owe $ -30,000. My accountant said even if I sold my property all I could earn is 1/4 of my debit. 1/4 is not an Integer, or Whole or Natural one.

d) Irrational Numbers

In this set all numbers that cannot be written as\frac{a}{b}  rational,  like \sqrt{2}

1 rock smashed the barn. My stocked harvest in there turned out to worth $ 0. The bank said I owe $ -30,000. My accountant said even if I sold my property all I could earn is 1/3 of my debit. I ran for credit in circles after running  {\displaystyle \pi }\pi  lap around my smashed barn.

e) Real Numbers

This set contains all of these previous sets. But not all Real Numbers are Natural, Whole, Integer, Rational, Irrational numbers.

1 rock smashed the barn. My stocked harvest in there turned out to worth $ 0. The bank said I owe $ -30,000. My accountant said even if I sold my property all I could earn is 1/3 of my debit. I ran for credit in circles after running  {\displaystyle \pi }\pi lap around my smashed barn, before I had to say anything my wife said...

"Hey Joe, is there anything wrong? You were murmuring some Real numbers randomly. Can I help you dear?"

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Ganezh [65]

Answer:

the answer is

B.Plate

i hope this helps ~_~

4 0
3 years ago
Read 2 more answers
A researcher selects two samples of equal size and computes a mean difference of 1.0 between the two sample means. If the pooled
s344n2d4d5 [400]

Answer:

The Cohen's D is given by this formula:

D = \frac{\bar X_A -\bar X_B}{s_p}

Where s_p represent the deviation pooled and we know from the problem that:

s^2_p = 4 represent the pooled variance

So then the pooled deviation would be:

s_p = \sqrt{4}= 2

And the difference of the two samples is \bar X_a -\bar X_b = 1, and replacing we got:

D = \frac{1}{2}= 0.5

And since the value for D obtained is 0.5 we can consider this as a medium effect.  

Step-by-step explanation:

Previous concepts

Cohen’s D is a an statistical measure in order to analyze effect size for a given condition compared to other. For example can be used if we can check if one method A has a better effect than another method B in a specific situation.

Solution to the problem

The Cohen's D is given by this formula:

D = \frac{\bar X_A -\bar X_B}{s_p}

Where s_p represent the deviation pooled and we know from the problem that:

s^2_p = 4 represent the pooled variance

So then the pooled deviation would be:

s_p = \sqrt{4}= 2

And the difference of the two samples is \bar X_a -\bar X_b = 1, and replacing we got:

D = \frac{1}{2}= 0.5

And since the value for D obtained is 0.5 we can consider this as a medium effect.  

7 0
3 years ago
How do I add the fractions <br> 1/4 + 1/7 please help me
kiruha [24]
First, you have to find the LCD. The LCD of 4 and 7 is 28, so you rewrite the fraction:
7/28
4/28

Then you add them.
8 0
3 years ago
Read 2 more answers
Given triangle ABC, A=105°, a=10cm, b=7cm, find B,C and c.
Whitepunk [10]

The value of the side c will be 5.56 cm and angle C is 32.49° and angle B is 42.51°.

<h3>What is law of cosine?</h3>

Let there is a triangle ABC such that |AB| = a units, |AC| = b units, and |BC| = c units and the internal angle A is of θ degrees, then we have:

a² + b² – 2ab cos C = c²

Given triangle ABC, A = 105°, a = 10 cm, b = 7 cm.

Then we have

7² + c² – (2 · 7 · c) cos 105° = 10²

c² + 3.62c – 51 = 0

On solving, we have

c = 5.56

Then the angle C will be

10² + 7² – 2 · 7 · 10 · cos C = 5.56²

                149 – 140 cos C = 30.91

                                 cos C = 0.8435

                                        C = 32.49°

We know that

       ∠A + ∠B + ∠C = 180°

105° + ∠B + 32.49° = 180°

                         ∠B = 42.51°

Learn more about law of cosines here:

brainly.com/question/17289163

#SPJ1

4 0
2 years ago
What is the greatest integer that is less than √6 + √7
lutik1710 [3]

Answer:

5

Step-by-step explanation:

hope this helps

4 0
3 years ago
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