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vazorg [7]
2 years ago
13

Which of the following functions f(x) represent the order pairs:

Mathematics
1 answer:
sdas [7]2 years ago
3 0

Answer:

B.f(x) = 3x-1

Step-by-step explanation:

{(-2,-7), (-1,-4), (0,-1), (1,2), (2,5) are solutions of f(x) = 3x-1

Plug in

(-2,-7): f(x) = 3(-2) -1 = -6 - 1 = -7

(-1,-4): f(x) = 3(-1) -1 = -3 - 1 = -4

(0,-1): f(x) = 3(0) -1 =  - 1

(1,2): f(x) = 3(1) -1 = 3 - 1 = 2

(2,5): f(x) = 3(2) -1 = 6 - 1 = 5

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0.66666667 as a fraction
Ierofanga [76]

Answer:

__________________________________________

    The correct answer is:   " \frac{2}{3} " .

__________________________________________

Note:  Let's assume that this given decimal value  is really:

"0.66666666666666666....."  ;

(non-terminating; but repeating the singing digit, "7" ; yet rounded to:

" 0.66666667 " ;  

then:  " 0.666... "    = \frac{666}{999}  ;

                             

                               =  (666 ÷ 111) / (999 ÷ 111)  ;

                               =  6/9 ;

                              = (6÷3)/(9÷3)  ;

                               =   2/3 ;

                             

                               =   " \frac{2}{3} "

 

                              →  which is our answer.

____________________________________________

 Or:   " 0.6666... "  =  666 ÷ 999 = ?  ;

                        using calculator :

                               =  0.66666667 ;  

        →  which is the "rounded off" number of "0.6666..." ;

                                                                — (infinitely repeating) ;

                  →   So 666 ÷ 999 =

                  →   "  \frac{666}{999} " ;

               

                               =  " \frac{2}{3} " ;  

                               →  Either use a "fraction calculator" ;

       or simplify as aforementioned.    

____________________________________________

Hope this answer is helpful to you!

       Best wishes to you in your academic pursuits

              — and within the "Brainly" community!

____________________________________________

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2 years ago
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marusya05 [52]

Answer:

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Step-by-step explanation:

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3 years ago
In isosceles triangle ABC, AB=AC.If B=55, calculate A​
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Answer: ∠A = 70°

because ABC is an  isosceles triangle and AB =  AC

=> ∠B = ∠C = 55°

=> ∠A = 180-(∠B + ∠C) = 180° - 55°.2 = 70°

Step-by-step explanation:

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