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tamaranim1 [39]
3 years ago
7

A right triangle with side legs of length 13 and 12 what is the value of x enter your answer in the box ​

Mathematics
2 answers:
Katen [24]3 years ago
8 0

Answer:

Step-by-step explanation:use Pythagoras

Y_Kistochka [10]3 years ago
4 0

Step-by-step explanation:

x =  \sqrt{ {12}^{2} +  {13}^{2}  }  \\  = \sqrt{ 144 +  169  }   \\  =  \sqrt{313}  \\  = 17.69 \\

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The function of f(x) = 3x + 2 has a domain of -3 < x < 5. What is the domain of f-1(x)?
Flura [38]
<h3>Answer:    -7 < x < 17</h3>

====================================================

Explanation:

Plug in the lower bound of the domain, which is x = -3

f(x) = 3x+2

f(-3) = 3(-3)+2

f(-3) = -9+2

f(-3) = -7

If x = -3, then the output is y = -7. Since f(x) is an increasing function (due to the positive slope), we know that y = -7 is the lower bound of the range.

If you plugged in x = 5, you should find that f(5) = 17 making this the upper bound of the range.

The range of f(x) is -7 < y < 17

Recall that the domain and range swap places when going from the original function f(x) to the inverse f^{-1}(x)

This swap happens because how x and y change places when determining the inverse itself. In other words, you go from y = 3x+2 to x = 3y+2. Solving for y gets us y = (x-2)/3 which is the inverse.

-----------------------

In short, we found the range of f(x) is -7 < y < 17.

That means the domain of the inverse is -7 < x < 17 since the domain and range swap roles when going from original to inverse.

6 0
3 years ago
What is the slope of the line in the graph? <br>slope=<br>Plz Hurry​
soldier1979 [14.2K]

Answer:

Slope = 1

Step-by-step explanation:

8 0
3 years ago
Can u help me out I odnt get it very well
Svetradugi [14.3K]
16,3,3

She wants an equal amount of lotion and hand soap, if you do 48 divided by 16 you get 3 and if you do 64 divided by 16 you get 4 so if she wants equal she can put 3 in each box. Finally if you do 48 divided by 3 you get 16 and if you divide 64 by 3 you get 21.3 if you want equal you must go with 16.

Hope this helps :)
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ziro4ka [17]
1/3 x 3/4= 3/12 = 1/4
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3 years ago
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Vika [28.1K]

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1) y = 3x - 11

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