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vaieri [72.5K]
3 years ago
12

Math To Do, i-Pizzdy

Mathematics
1 answer:
sveta [45]3 years ago
8 0

Answer:

3/4ths of a mile

Step-by-step explanation:

Just devide 3 by 4 because there are 4 people and 3 miles

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Find g^-1(x) <br><br> A<br> B<br> C<br> D
Katyanochek1 [597]
<h2>Answer:</h2>

a. \ g^{-1}=-1 \pm\sqrt{\frac{3}{x}+1}

<h2>Step-by-step explanation:</h2>

A function has an inverse function if and only if passes the Horizontal Line Test for Inverse Functions. This test tells us that a function f has an inverse function if and only if there is no any horizontal line that intersects the graph of f at more than one point. So the function is called one-to-one. The graph of g is shown below. As you can see, this function does not pass the Horizontal Line Test, therefore the inverse is not a function. However, let's find g^-{1}(x):

g(x)=\frac{3}{x^2+2x} \\ \\ Substitute \ g(x) \ by \ y \\ \\y=\frac{3}{x^2+2x} \\ \\ Interchange \ x \ and \ y: \\ \\ x=\frac{3}{y^2+2y} \\ \\ Solve \ for \ y: \\ \\y^2+2y=\frac{3}{x} \\ \\ Completing \ square \\ \\y^2+2y\mathbf{+ 1}\mathbf{-1}=\frac{3}{x} \\ \\(y+1)^2=\frac{3}{x}+1 \\ \\y+1=\pm\sqrt{\frac{3}{x}+1} \\ \\ y=-1 \pm\sqrt{\frac{3}{x}+1}

Finally, substitute y \ by \ g^{-1}:

boxed{g^{-1}=-1 \pm\sqrt{\frac{3}{x}+1}}

7 0
2 years ago
What is 4x + 8 = 10 ​
riadik2000 [5.3K]
Answer: x= 1/2

4x+8=10 1. Subtract 8 from both sides
-8 -8
——————
4x=2 2. Divide each side by 4
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—————— 3. Simplify fraction
x=1/2
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3 years ago
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Mademuasel [1]
(-3,1) is the answer.
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Step-by-step explanation:

First, you turn the percent into a decimal, which gives you .18.  Then, you multiply $22 by .18.  Finally, you add the $3.96 that you get by multiplying $22 by .18, and you get the answer that is above.  Plz mark brainliest if correct.

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3 years ago
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Answer:

Triangle ISK

Step-by-step explanation:

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