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GuDViN [60]
3 years ago
8

What is the best approximation of the solution to the

Mathematics
1 answer:
denis-greek [22]3 years ago
3 0

Answer: Choice C.   (1, -6)

Explanation: The two lines cross at around this location. The solution point is on both lines at the same time.

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A student begins a proof of the law of cosines. His work is shown.
Phoenix [80]

The student made an error in <u>step 3</u>. To correct this error, he should define <u>side AY</u> in terms of <u>angle X</u>. <u>Pythagorean theorem</u> relates sides x, y, z, and <u>angle X</u>

<h3>The law of cosine.</h3>

In Trigonometry, law of cosine (cos) is given by this mathematical expression:

cosθ = Opp/Hyp

<u>Where:</u>

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  • Hyp is the hypotenuse of a right-angled triangle.
  • θ is the angle.

In this scenario, we can logically deduce that the student made an error in <u>step 3</u>. To correct this error, he should define <u>side AY</u> in terms of <u>angle X</u>.

After correcting this error, the student can use the <u>Pythagorean theorem</u> to relate sides x, y, z, and <u>angle X</u>.

Read more on law of cosine here: brainly.com/question/27613782

#SPJ1

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Round to the nearest hundreds I will appreciate thank you
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Answer:

197.92 or 198 but 197.92 first

Step-by-step explanation:

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