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maks197457 [2]
3 years ago
14

Can someone help me with this?

Mathematics
1 answer:
Marina86 [1]3 years ago
3 0
Whichoneplease or all of them
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2(3x + 2) = 2x - 1+x.
andrew-mc [135]

Answer:

x = -5/3

Step-by-step explanation:

Hope this helps!

Best of luck!♥

5 0
3 years ago
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Finding the inverse function for f(x)=1/x^2
Anna [14]

to get the inverse of any expression, we start off by doing a quick switcheroo on the variables and then solve for "y".

\stackrel{f(x)}{y}=\cfrac{1}{x^2}\implies \stackrel{\textit{quick switcheroo}}{x=\cfrac{1}{y^2}}\implies y^2=\cfrac{1}{x}\implies y=\sqrt{\cfrac{1}{x}}\implies \stackrel{f^{-1}(x)}{y}=\cfrac{1}{\sqrt{x}}

4 0
3 years ago
Three times a number plus five equal twenty
Bezzdna [24]
Let the number be x
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16. Solve the linear equation.<br><br> 12x– 2 = 2x + 18
tino4ka555 [31]

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Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

6 0
3 years ago
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iren2701 [21]

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Step-by-step explanation:

Total parts

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Value of each part given 180º in a triangle

180 / 18 = 10º

Smallest angle

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