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Rom4ik [11]
3 years ago
8

Extracting roots of 5x²+15=15​

Mathematics
1 answer:
IgorLugansk [536]3 years ago
7 0
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The amount of money Jose spends on movie tickets varies directly with the number of tickets he purchases.
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7 movie tickets :)

First, we must find the unit price:

20.25/3=6.75

Now we divide:

47.25/6.75=7

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What is the median for this list of numbers? 3, 6, 9, 10, 12
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What is unit rate for bottler of juice
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r3t40
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4 years ago
You might need: CalculatorThe angle O, is located in Quadrant III, and sin((.)1213What is the value of cos((,)?Express your answ
Wewaii [24]

We know that:

\sin (\theta_1)=-\frac{12}{13}

There is also an interesting property that relates the sine and the cosine of an angle:

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\begin{gathered} \cos ^2(\theta_1)=1-\sin ^2(\theta_1) \\ \cos (\theta_1)=\sqrt{1-\sin^2(\theta_1)} \\ \cos (\theta_1)=\sqrt[]{1-(-\frac{12}{13})^2} \\ \lvert\cos (\theta_1)\rvert=\sqrt[]{1-\frac{144}{169}}=\sqrt[]{\frac{25}{169}} \\ \lvert\cos (\theta_1)\rvert=\frac{5}{13} \end{gathered}

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\cos (\theta_1)=-\frac{5}{13}

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1 year ago
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