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True [87]
3 years ago
15

What number should be added to both sides of the equation to complete the square?

Mathematics
1 answer:
Bingel [31]3 years ago
5 0

Answer:10

Step-by-step explanation: The coefficient of X will be added to the both sides of the equation.

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Which system of inequalities is represented by the graph?<br> A) A <br> B) B <br> C) C <br> D) D
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C

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It is not A or B because the line is not dotted.

It is not B or D because y should be greater than x

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Point E is located at (-2, 2) and point F is located at (4,-6). What is the distance bewtween points E and F?
Hoochie [10]

\bf ~~~~~~~~~~~~\textit{distance between 2 points}\\\\(\stackrel{x_1}{-2}~,~\stackrel{y_1}{2})\qquad(\stackrel{x_2}{4}~,~\stackrel{y_2}{-6})\qquad \qquadd = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}\\\\\\d=\sqrt{[4-(-2)]^2+[-6-2]^2}\implies d=\sqrt{(4+2)^2+(-6-2)^2}\\\\\\d=\sqrt{6^2+(-8)^2}\implies d=\sqrt{100}\implies d=10

4 0
3 years ago
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Let f(x) = x2 − 16. Find f−1(x)
Yanka [14]

Answer:

f^{-1}(x)=\pm\sqrt{x+16}

Step-by-step explanation:

f(x)=x^2-16

To find the inverse of this function, temporarily the f(x) with a y (or whatever else you want) and then solve for the x.

y=x^2-16\\y+16=x^2\\x=\pm\sqrt{y+16}

Now, you can swap the variables again and write the function.

f^{-1}(x)=\pm\sqrt{x+16}

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2 years ago
I NEED HELP FOR THIS QUESTION PLSSS
defon
Answer: 132 degrees
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