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Mariulka [41]
3 years ago
8

A stadium has 53,000 seats. Seats sell for ?$42 in Section? A, ?$36 in Section? B, and ?$30 in Section C. The number of seats in

Section A equals the total number of seats in Sections B and C. Suppose the stadium takes in ?$1,995,000 from each? sold-out event. How many seats does each section? hold?
Mathematics
1 answer:
Vlada [557]3 years ago
3 0
Section A holds 27,000 seats, Section B holds 14,200 seats, and Section C holds 12,800 seats
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Calculate the value of angle A and C of ∆ ABC. Where b=1435cm, a= 782cm and B= 115.6°.​
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The Law of Sines says

\dfrac{\sin A}{a} = \dfrac{\sin B}{b} = \dfrac{\sin C}{c}

\sin A = \dfrac a b \sin B

A = \arcsin( \dfrac{782}{1435} \sin 115.6 ) = 29.44^\circ

We don't have to worry about the obtuse supplement because a triangle can only have one obtuse angle, and that's B.

C = 180 - 115.6 - 29.44 = 34.96^\circ

Answer: A=29.44°, C=34.96°

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Answer:

Equations 1 & 3 are correct.

Explanation:

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2 years ago
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solniwko [45]

Step-by-step explanation:

Here we are given that , the Value of

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And we need to find the prove that ,

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We know a identity as ,

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On cubing both sides of the given equation,

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Simplify and then substitute ,

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