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3 years ago

53° 78° x° find the value of x

Mathematics

1 answer:

Talja [164]3 years ago

4 0

Answer:

I would say 49 is your answer

Step-by-step explanation:

53 plus 78 qould equal 131

subtract 131 from 180 and you get 49

add up all your numbers including x then they should all equal 180

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Find the quotient. 315 33

suter [353]

Answer:

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Step-by-step explanation:

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Genrish500 [490]

Answer: 32w

Step-by-step explanation:

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3 years ago

9. Solve the equation. x + 4 = 3(3x - 4) A 9 4 B 1 C 2 Lounge D 7 4

Alborosie

Answer:

x=2

Step-by-step explanation:

x + 4 = 3(3x - 4)

Distribute

x+4 = 9x -12

Subtract x from each side

x+4 -x = 9x-x-12

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4+12 = 8x-12+12

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Divide by 8

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3 years ago

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Please Help Which fuction is the inverse of f(x)=50,000(0.8)^x

RUDIKE [14]

D is the correct answer to your question

3 0

3 years ago

Find the inverse of f(x) = -4x - 12

olga2289 [7]

Answer:

$\implies f^{-1}(x) =-\dfrac{x}{4}-3$

Step-by-step explanation:

Given :-

f(x) = -4x-12

And we need to find out the Inverse of the function . Let us assume that f(x) = y . Now , firstly replace x with y and vice versa.

Function :-

$\implies f(x) = -4x - 12 \\\\\implies y = -4x-12$

Interchanging x and y :-

$\implies x = -4y - 12$

Solve out for y :-

$\implies x = -4y - 12 \\\\\implies -4y = x +12 \\\\\implies y =\dfrac{x+12}{-4}\\\\\implies y =-\dfrac{x}{4}-3$

Replace y with f-¹(x) :-

$\implies f^{-1}(x) =-\dfrac{x}{4}-3$

Hence the inverse of the function is -x/4-3 .

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3 years ago