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Rasek [7]
3 years ago
13

Help!! Please photo art attached below

Mathematics
1 answer:
lubasha [3.4K]3 years ago
4 0

Answer:

C

Step-by-step explanation:

180 degrees + 30 =210 degrees

210 degrees equals 7π/6

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Your cell phone costs $50 a month plus $0.25 for each text message, (t). How much would your monthly bill be if you sent 40 text
aalyn [17]

Answer:

$60

Step-by-step explanation:

40 text messages × .25 each = $10. Plus the $50 per month is $60.

8 0
2 years ago
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How does one find the inverse function of f(x)= <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B3x-1%7D" id="TexFormula1" tit
lisabon 2012 [21]

Answer:

\displaystyle f^{-1}(x)=\frac{1+x}{3x}

Step-by-step explanation:

<u>The Inverse of a Function</u>

The procedure to find the inverse of the function is:

* Write the function as a two-variable equation:

\displaystyle y=\frac{1}{3x-1}

* Solve the equation for x.

Multiply by 3x-1

y(3x-1)=1

Divide by y:

\displaystyle 3x-1=\frac{1}{y}

Sum 1:

\displaystyle 3x=\frac{1}{y}+1

Operate the right side:

\displaystyle 3x=\frac{1+y}{y}

Divide by 3:

\displaystyle x=\frac{1+y}{3y}

* Swap the variables:

\displaystyle y=\frac{1+x}{3x}

Write back into function form:

\boxed{\displaystyle f^{-1}(x)=\frac{1+x}{3x}}

7 0
3 years ago
Help with this problem please
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Answer:

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6 0
3 years ago
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Which equation represents a line that passes through (-9,-3) and has a slope of -6?
zmey [24]

Answer: y=-6x-57

Step-by-step explanation: the normal format of a linear equation is

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y=-6x-57.

You can check by plugging in x= -9, and y= -3. -3=54-57. -3=-3

4 0
3 years ago
Please Please, Please Help!!!!<br><br> The graph shows the solution for which inequalities?
qwelly [4]
The third one is the answer.
5 0
3 years ago
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