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Wittaler [7]
3 years ago
10

That answer is wronggg

Mathematics
1 answer:
padilas [110]3 years ago
4 0
What answer is wrong
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6x+3=y if y equals 15 what does x equal
viktelen [127]

Answer:

2

Step-by-step explanation:

15 - 3 = 12 / 6 = 2

6 0
4 years ago
Read 2 more answers
2x2 - 9x + 5 = 0<br> quadratic formula
Elina [12.6K]

Answer:

x=9±√41  OVER 4

Step-by-step explanation:

x=9±√(-9)²-4(2)(5) OVER 2(2)

x=9±√81-40  OVER 4

x=9±√41  OVER 4

7 0
4 years ago
If f(x) and it's inverse function, f^1(x) are both plotted on the same coordinates plane what is their point of intersection
svet-max [94.6K]
The answer is an equation, a condition:

f(x) = f^(-1)(x), then apply f(x) again: f(f(x) ) = f(f^-1(x)) = x,

f(f(x)) =x, that means that:

The point of intersection is the point where applying f(x) twice it results in the identity. A similar argument takes you to f^(-1)(f^(-1)(x)) = x.

Furthermore, the final answer is the point where f(x)=x (which coincides with f^(-1)(x)=x). That is the value of x where the function crosses the line y=x. If there is no such point, then f(x) and f^(-1)(x) will never cross each other.

I can see the proof graphically, so I can't post it.

For a line, it always works:

f(x) = ax+b, f^(-1)(x) = (x-b)/a,   ax+b = (x-b)/a --> a^2x+ab=x-b,

x = -(a+1)*b/(a^2-1) = -b/(a-1). Which is indeed where f(x)=x.
7 0
3 years ago
Read 2 more answers
At part of an hour passes between 3:12pm an 4:30pm <br> Help
uranmaximum [27]

Answer:

1h 18min

Step-by-step explanation:

Not sure if that is what the problem is asking you.

7 0
3 years ago
Read 2 more answers
I NEED HELP PLEASE FOR THE SAKE OF GOD!!!!!!!!!1
Angelina_Jolie [31]

Answer:

Angle S is 60 degrees

Step-by-step explanation:

All the sides are equal you know this by the dashes on them. And all angles add up to equal 180.

8 0
3 years ago
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