4 years ago

How do you do this help

Mathematics

1 answer:

Brums [2.3K]4 years ago

5 0

X=7 is the answer good luck with your assignments!

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Find the inverse of f(x) = x^2 - 7

blondinia [14]

Answer:

y = ± sqrt(x+7)

Step-by-step explanation:

y = x^2 -7 solve for 'x' .... add 7 to both sides

y+7 = x^2 sqrt both sides

+- sqrt(y+7) = x switch 'x' and 'y'

y = +- sqrt(x+7)

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2 years ago

When purchasing her new car, Molly traded in her previous car, which was a Buick in good condition. The dealer offered her 80% o

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3 years ago

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which equations represent in point slope form, the line that passes through the points (-3,2) and (0,0) ?

alexandr1967 [171]

Answer: First Option is correct.

Explanation:

Since we have given that

there are two points from which the line is passing through :

$(-3,2)\ and\ (0,0)$

We have to use the two point slope form .

As we know the " Two point slope form" i.e.

$y-y_0=\frac{y_2-y_1}{x_2-x_1}(x-x_1)$

Here,

$x_1=-3\\\\x_2=0\\\\y_1=2\\\\y_2=0$

So, our equation becomes,

$(y-2)=\frac{0-2}{0+3}(x+3)\\\\(y-2)=\frac{-2}{3}(x+3)$

Hence, First Option is correct.

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4 years ago

X+y=3<br> y=x-5<br> what is the solution to the system of equations?

kipiarov [429]

Answer:(4,-1)

Step-by-step explanation:

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4 years ago

RACE A city hosts a race annually. They decide to place a

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Answer:

Step-by-step explanation:

M is in the middle of the alphabet, so it would be the midpoint of A-Z if they were placed on a coordinate plane.

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3 years ago