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Sever21 [200]
3 years ago
11

1. The subsets of the real numbers can be represented in a Venn diagram as shown. To which subsets of real numbers does 12 belon

g?
A) Integers and Whole Numbers only
B) Rational Numbers, Integers, and Whole Numbers
C) Rational Numbers and Integers only
D) Irrational Numbers, Integers, and Whole Numbers

2. Which statement BEST describes the relationship between whole numbers and natural numbers shown in the diagram?

A) The diagram shows that whole numbers are a subset of natural numbers, because all whole numbers are natural numbers.
B) The diagram shows that natural numbers are a subset of whole numbers, because all natural numbers are whole numbers.
C) The diagram shows that whole numbers are a subset of natural numbers, because some whole numbers are not natural numbers.
D) The diagram shows that natural numbers are a subset of whole numbers, because all whole numbers and natural numbers have no numbers in common.
Mathematics
1 answer:
mel-nik [20]3 years ago
7 0

Answer:

The answer to number 1 is b and number 2 is also b

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(x-13.4)^{2}+(y+2.6)^{2} = 100(x−13.4) 2 +(y+2.6) 2 =100left parenthesis, x, minus, 13, point, 4, right parenthesis, squared, pl
vazorg [7]

Answer:

The center of the circle is (13.4, - 2.6).

Step-by-step explanation:

Circle:

  • The diameter of a circle is 2 times of its radius.
  • The area of a circle is \pi r^2, where is the radius of the circle.
  • The circumference of a circle is 2\pi r, where r is radius of the circle.

We know that,the equation of circle is in the form

(x-\alpha)^2+(y-\beta)^2= r^2

where (\alpha, \beta) is the center of the circle and r is the radius of the circle.

Given equation of circle is

(x-13.4)^2+(y+2.6)^2=100

The center of the circle is (13.4, - 2.6).

The radius of the given circle is \sqrt{100} units=10 units.

6 0
3 years ago
2x - 2y = 12<br> 29. - 3y = -2
Sophie [7]

Olá boa tarde meu nome é "Guilherme" sou de Brasil e vou resolver a sua pergunta

a ) 2x - 2y = 12

{ a 2

{ b 2

{ c 12

<u>/</u><u>\</u> = b elevado 2 -4 a.c

<u>/</u><u>\</u> = (2) elevado 2 -4 . 24

<u>/</u><u>\</u> = 4 -4 . 24

<u>/</u><u>\</u> = 24

X = <u>-</u><u>b</u><u>+</u><u>/</u><u> </u><u>/</u><u>\</u><u> </u> = <u> </u><u>2</u><u> </u><u>-</u><u> </u><u>5</u>

2a 2

<u> </u><u>5</u>

2

<u> </u><u>5</u>

2

S = {20,10}

b) 29. - 3y = -2

{ a = 29

{ b = -3

{ c = -2

<u>/</u><u>\</u> = b elevado 2 -4 a.c

<u>/</u><u>\</u> = (-6) -4 . 58

<u>/</u><u>\</u> = -10 . 58

<u>/</u><u>\</u> = -48

X = <u> </u><u>b</u><u> </u><u>+</u><u> </u><u>/</u><u> </u><u>/</u><u>\</u><u> </u> = <u> </u><u>-</u><u>3</u><u> </u><u>+</u><u> </u><u>24</u><u> </u>

<u> </u><u>5</u>

3

<u> </u><u>5</u>

3

S = { 15,15}

Espero ter ajudado

2a 2

3 0
3 years ago
A middle school mathematics teacher accepts a teaching position that pays ​$20,000 per year. Each​ year, the expected raise is $
vaieri [72.5K]
30 * 20,000 = 600,000

30 * 500 = 15,000

615,000

Sorry if this is incorrect! Goodluck:)
4 0
3 years ago
Read 2 more answers
-8m - 12 &gt; -5(m - 8) – 3(m - 7)<br> Write the solution to the inequality
horrorfan [7]

Answer:

No answer.

Step-by-step explanation:

- 8m - 12 > -5m + 40 - 3m + 21

combine terms

-8m - 12 > -8m +61

add 8m to both sides

-12 > 61

negative 12 is not greater than 61

4 0
3 years ago
Subtract.<br>(4x^2 + 8x - 2) - (2x^2 - 4x + 3)<br>Enter your answer, in standard form.​
vovikov84 [41]

Answer:

\large\boxed{(4x^2 + 8x - 2) - (2x^2 - 4x + 3)=2x^2+12x-5}

Step-by-step explanation:

(4x^2 + 8x - 2) - (2x^2 - 4x + 3)\\\\=4x^2 + 8x - 2 -2x^2 -(- 4x)- 3\\\\=4x^2+8x-2-2x^2+4x-3\qquad\text{combine like terms}\\\\=(4x^2-2x^2)+(8x+4x)+(-2-3)\\\\=2x^2+12x-5

5 0
3 years ago
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