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ch4aika [34]
1 year ago
9

19. In the diagram below, which of the following pairs are vertical angles?

Mathematics
1 answer:
Brut [27]1 year ago
4 0

Answer:

19 ) B (<2 and <5)

20) A(20)

21 and 22 Don't know sorry

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Determine algebraically whether f(x)=3x-2 and g(x)=(x+2)/3 are inverse functions. Show all work.
Sergio [31]

Answer:

Yes

Step-by-step explanation:

f(x)=3 x-2      

     

y= 3 x-2      

             

x= 3y - 2  

     

3 y -2 = x

3 y -2 + 2 = x + 2

<u>3 y </u> =  <u>x  </u> +  <u>2</u>                                                      

3        3       3

<u>3 y </u> =  <u>x  </u> +  <u>2  </u>                                                    

3        3       3

y =  <u>x </u>  +  <u>2   </u>        replace y with f ^ -1(x)

   <em> </em>  3        3                                            

f ^-1 (x) =    <u>x</u>   +  <u>2 </u>        

                 3       3      

4 0
3 years ago
A manufacturer of cellular phones has decided that an assembly line is operating satisfactorily if less than​ 6% of the phones m
ludmilkaskok [199]

Answer:

a) All the phones produced during the day in question.

Step-by-step explanation:

In statistics, the Population is all the objects with the same characteristics in which we have an interest in doing an experiment or statistical analysis. Sometimes to make it more simple, we take just a sample of the population and we do the experiments with them, and then the answers are used to all of the objects.

In this case, they want to analyze all the cellphones but they only take a few to do it. So the answer is a) All the phones produced during the day in question.

6 0
3 years ago
What do symbols represent in algebra?
Inessa05 [86]

Answer:

One of the most common algebraic symbols is the use of x, y or another letter of the alphabet to indicate a variable or unknown quantity. Common symbols used in algebra also include those related to equality, inequality, factorials and organization, like braces, brackets and parentheses.

Give brainiest please ;-;

7 0
3 years ago
Read 2 more answers
What is the fraction that is equal to 0.534
Mandarinka [93]

Answer:

267/500

Step-by-step explanation:

0.534 = 534 / 1000

Simplify to 267/500

3 0
3 years ago
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Which of the following triangles is an obtuse triangle?
Nikolay [14]

Answer:

First triangle

Step-by-step explanation:

First triangle is the obtuse triangle.

4 0
3 years ago
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