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Ber [7]
3 years ago
12

Math work pls help :)​

Mathematics
1 answer:
solong [7]3 years ago
8 0

Answer:

the theorum used here is sas one

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Rashid [163]

Answer: 64.2^{\circ}

Step-by-step explanation:

According to the cosine rule

\cos C=\dfrac{a^2+b^2-c^2}{2ab}

Here, a=83, b=111, c=165,\ C=180^{\circ}-\theta

Putting values

\Rightarrow \cos (180^{\circ}-\theta)=\dfrac{83^2+111^2-165^2}{2\times 83\times 111}\\\\\Rightarrow \cos(180^{\circ}-\theta)=\dfrac{6889+12321-27225}{18426}\\\\\Rightarrow \cos(180^{\circ}-\theta)=\dfrac{-8015}{18426}=-0.4349\\\\\Rightarrow 180^{\circ}-\theta=\cos^{-1}(-0.4349)=115.77^{\circ}\\\Rightarrow \theta=64.23\approx 64.2^{\circ}

So, the ship turns by 64.2^{\circ} north of west

8 0
3 years ago
How will the solution of the system y > 2x + Two-thirds and y < 2x + One-third change if the inequality sign on both inequ
blagie [28]

Answer:

Step-by-step explanation:344x-5-p-0-9-but=pmc+m2 something like that

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2 years ago
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andrew-mc [135]

Answer:

Step-by-step explanation:

5

3 0
3 years ago
What percent x 2280 = 9744​
Burka [1]

well, what is 9,744/2,280? take that and move the decimal point two places to the right to find the answer.

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3 years ago
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WARRIOR [948]

Answer: E. None of the above

Step-by-step explanation:

The equation to solve the problem should look like...2x = $2.91 / 3

3 0
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