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EastWind [94]
3 years ago
10

2/3x+5=21 pls use shoe work

Mathematics
1 answer:
earnstyle [38]3 years ago
4 0

\frac{2}{3}x+5=21\\\frac{2}{3}x=16\\x=16/2/3\\x=16*3/2\\24

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Given f(x)=x2−2x−2, completing the square to solve for the function's zeros yields which of the following? A. (x−1)2=−2 B. (x−2)
LekaFEV [45]

Answer:

(x-1)² = 3

Step-by-step explanation:

Given f(x)=x²−2x−2

Completing x²−2x−2 = 0 to square

  • x²−2x − 2=0
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Correct choice is D

7 0
3 years ago
What are the coordinates of the vertex of the function f(x) = x2 - 12x + 5?
FinnZ [79.3K]

Answer:

The vertex is the point (6,-31)

Step-by-step explanation:

we have

f(x)=x^2-12x+5

This is a vertical parabola open upward

The vertex represent a minimum

Convert to vertex form

Complete the square

f(x)=(x^2-12x+6^2)+5-6^2

f(x)=(x^2-12x+36)-31

Rewrite as perfect squares

f(x)=(x-6)^2-31 -----> equation in vertex form

therefore

The vertex is the point (6,-31)

6 0
3 years ago
What is the solution for tgx >=0?
ddd [48]

well, what variable are you solving for? like if you're solving for x, it would be:

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7 0
3 years ago
What is the value of x?<br><br> Enter your answer in the box.
Fed [463]
All you have to do is add those two numbers given and subtract by 180. all of the angles shall add up to 180 if not then you dic something wrong
5 0
4 years ago
PLEASE HELP
Vlada [557]

Answer:

The equation is y = x + 9.

Step-by-step explanation:

We need to equation of SR

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y - 7 = x + 2

y = x + 9

7 0
3 years ago
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