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3 years ago

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

Mathematics

1 answer:

sdas [7]3 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

den301095 [7]

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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coordinates of b'a'c are

A:(-5,6)

B:(-5,10)

C:(-3,8)

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A'(-6,5)

B'(-10,5)

C'(-8,3)

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2 years ago

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xenn [34]

Answer:

Step-by-step explanation:

200+150+150=500

500-500=0

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