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2 years ago

5X+17=7 PLEASE HELP FAST WITH STEP FAST

Mathematics

2 answers:

inn [45]2 years ago

5 0

Answer:

you are looking for x right?

Step-by-step explanation:

5x+17=7

5x=-10

x=-2

x=-2 is the answer

katen-ka-za [31]2 years ago

3 0

Answer:

x=-2

Step-by-step explanation:

5x+17=7

5x=-10

x=-2

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Tell whether each pair of angles are elther supplementary or congruent.

sveta [45]

It’s supplementary
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2 years ago

<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20x%20%7B%7D%5E%7B2%7D%20%20%2B%2012x%20%2B%2036" id="TexFormula1" title="f(x)

Mars2501 [29]

Answer:

Step-by-step explanation:

We are given the function:

$\displaystyle f(x) = x^2 + 12x + 36$

And we want to determine the value of:

$\displaystyle f^{-1}(225)$

Let this value equal a. In other words:

$\displaystyle f^{-1}(225) = a$

Then by the definition of inverse functions:

$\displaystyle \text{If } f^{-1}(225) = a\text{, then } f(a) = 225$

Hence:

$\displaystyle f(a) =225 = (a)^2 + 12(a) + 36$

Solve for a:

$\displaystyle \begin{aligned} 225 &= a^2 + 12a + 36 \\ \\ a^2 + 12a -189 &= 0 \\ \\ (a + 21)(a-9) &= 0\end{aligned}$

By the Zero Product Property:

$\displaystyle a + 21 = 0 \text{ or } a - 9 = 0$

Hence:

$\displaystyle a = -21 \text{ or } a = 9$

Thus, f(9) = 225. Consequently, f⁻¹(225) = 9.

In conclusion, our answer is B.

3 0

2 years ago

What is y=4(a)+b When a=7 and b=2 What is a and b

Blizzard [7]

Answer: You have awnsered a & b, but when you fill out the equation, you get y=30.

Step-by-step explanation:

* y= 4(7) + 2

* y= 28 + 2

* y= 30

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2 years ago