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NeX [460]
3 years ago
5

Solve for x ಠ_ಠ ಠ_ಠ ಠ_ಠ ಠ_ಠ ಠ_ಠ ಠ_ಠ ಠ_ಠ ಠ_ಠ ಠ_ಠ ಠ_ಠ ಠ_ಠ ಠ_ಠ ಠ_ಠ ಠ_ಠ ಠ_ಠ

Mathematics
1 answer:
Pavel [41]3 years ago
8 0
:)

x+x+55+x+38=180

3x+93=180

3x=87

x=29°
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babunello [35]

If the functions are inverses, then f(g(x)) = x.

A.

\displaystyle f(g(x))=f\left(\frac{3x+1}{3}\right)=\frac{1}{\frac{3x+1}{x}-3}\\\\=\frac{1}{\left(\frac{3x+1-3x}{x}\right)}=\frac{1}{\left(\frac{1}{x}\right)}=x

The functions are inverses of each other.

B. The domain of f(x) = x≠3. The domain of g(x) is x≠0.

The domain of f(g(x)) is (-∞, 0) ∪ (0, ∞).

The domain of g(f(x)) is (-∞, 3) ∪ (3, ∞).

4 0
3 years ago
Ill give you brainliest>>>Write an equation of the line passing through the point (5, 2) that is perpendicular to the l
11Alexandr11 [23.1K]

y= mx+b

(16, -7) = (x,y)

2(16) - 3y = 12

32 - 3y = 12

32 - 12 = 3y

20/3 = y

6.6 = y

2x-3(-7) = 12

2x+21 = 12

2x = 12 - 21

x = -9/2

Insert the values into y = mx + b

solve for m and then solve for b

6 0
3 years ago
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Aneli [31]

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3 0
3 years ago
Factor the given quadratic function x2 + 9x = 36.​
Gennadij [26K]

Answer:

(x + 12)(x - 3)

Step-by-step explanation:

{x}^{2}  + 9x = 36 \\  {x}^{2}  + 9x - 36 = 0 \\  {x}^{2}  + 12x - 3x - 36 = 0 \\ x(x + 12) - 3(x + 12) = 0 \\ (x + 12)(x - 3) = 0

4 0
3 years ago
Which of the following is known as a simpler form of Euclid's fifth postulate
Deffense [45]

Answer:

A.  Playfair's axiom.

Step-by-step explanation:

In a plane, given a line and a point not on it, at most,  one line parallel to the given line can be drawn through the point.

- this implies Euclid's fifth postulate.

8 0
2 years ago
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