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dexar [7]
3 years ago
11

Please help 33-40, thanks!

Mathematics
1 answer:
kogti [31]3 years ago
6 0

33. -8 belongs to:

  • Set of real numbers; all rational and irrational numbers
  • Set of integers; positive and negative whole numbers

34. 14 belongs to:

  • Set of natural numbers; all positive whole numbers
  • Set of real numbers; all rational and irrational numbers

35. 9.23 belongs to:

  • Set of real numbers; all rational and irrational numbers

36. 1\frac{5}{9} belongs to:

  • Set of real numbers; all rational and irrational numbers

37. Zero (0) belongs to:

  • Set of Integers; all positive and negative whole numbers
  • Set of real numbers; all rational and irrational numbers

38. -1 belongs to:

  • Set of integers; all positive and negative whole numbers
  • Set of real numbers; all rational and irrational numbers

39. 1/2 belongs to:

  • Set of real numbers; all rational and irrational numbers

40. 0.3 where 3 is recurring belongs to:

  • Set of real numbers; all rational and irrational numbers


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19. The population of a small town was 10,800 in 2002. Since then, the population has decreased at a
tia_tia [17]

Answer:

p = 10800(0.975)^{t}

Step-by-step explanation:

There was a population of 108000 in a small town in 2002. Since then, the population has decreased at a  rate of 2.5% each year.

Therefore, the population is decreasing at a compound rate of 2.5% each year.

Now, using the formula of compounding we can write if p is the population after t years, then  

p = 10800( 1 - \frac{2.5}{100} )^{t}

⇒ p = 10800(0.975)^{t} (Answer)

7 0
3 years ago
7. If A = 2x + 3 and B = x^2 - 5x + 1, what is the value of A-5B?​
taurus [48]

Answer:

\huge \boxed{ \boxed{ \tt  - 5 {x}^{2}  + 27 x- 2}}

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • algebra
  • PEMDAS
<h3>given:</h3>
  • A=2x+3
  • B=x²-5x+1
<h3>to find:</h3>
  • A-5B
<h3>let's solve:</h3>

step - 1 : define

A-5B=2x+3-5(x²-5x+1)

step - 2 : solve

  1. distribute -5 to the parentheses:2x+3-5x²+25x-5
  2. rewrite:-5x²+2x+25x-5+3
  3. combine like terms:-5x²+27x-2

and

we are done

7 0
3 years ago
Which equation can be used to solve for b?
jenyasd209 [6]
It is the last answer choice
6 0
3 years ago
What is the perimeter??
Mumz [18]

Answer:

26

Step-by-step explanation:

4 + 2 + 3 + 4 + 7 + 6

9+4+7+6

13+7+6

20+6

26

6 0
3 years ago
Read 2 more answers
Is -6 over 7 a whole number a integer number or a rational number
vodka [1.7K]

Answer:

It is a rational number

Step-by-step explanation:

It is a rational number because -6/7 is equal to -0.857142 repeating. And a rational number repeats.

Hope this helps☝️☝☝

6 0
4 years ago
Read 2 more answers
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