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julia-pushkina [17]

3 years ago

10

Y=−2x+4 Complete the missing value in the solution to the equation. (___,−2)

1 answer:

Svet_ta [14]3 years ago

6 0

To find out what the x value is at this specific point, all you have to do is input the y value into the equation.

If you do this, it becomes:

-2 = -2x + 4 (y is inputed into the equation)
-2x = -6 (you minus 4 from both sides)
x = 3 (divide both sides by -2)

Hence the missing value is 3, Coordinates are therefore (3, -2)

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What is the inverse of x^2-4x+5

lisabon 2012 [21]

we are given

$f(x)=x^2-4x+5$

Since, we have to find inverse of this function

step-1: we set f(x)=y

$y=x^2-4x+5$

step-2: switch x and y

$x=y^2-4y+5$

step-3: Solve for y

$y^2-4y+(5-x)=0$

now, we can use quadratic formula

$y=\frac{4+\sqrt{4^2-4(5-x)} }{2}$

$f^{-1}(x)=\sqrt{x-1}+2$

or

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2 years ago

Please help I don’t get it

lidiya [134]

Answer:

4.718592

Step-by-step explanation:

To get to -14.4 from 18 you multiply 18 x 0.8

Repeat that until you get to the 7th term

18 (1st)

18 x 0.8 = -14.4 (2nd)

-14.4 x 0.8 = 11.52 (3rd)

11.52 x 0.8 = 9.216 (4th)

9.216 x 0.8 = 7.3728 (5th)

7.3728 x 0.8 = 5.89824 (6th)

5.89824 x 0.8 = 4.718592 (7th)

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3 years ago

Simplest form for 21/49

tekilochka [14]

21/49
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PLs brainliest answer

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The price of a movie ticket in a given year can be modeled by the regression equation y = 6.94(1.02x), where y is the ticket pri

Whitepunk [10]

I would say that the price would be 176.97.

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