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PSYCHO15rus [73]
3 years ago
6

4. Find the exact value of sin 120 degrees .

Mathematics
1 answer:
pentagon [3]3 years ago
6 0

Answer:

sin 120° = √3/2

Step-by-step explanation:

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Brahmagupta’s solution to a quadratic equation of the form ax2 + bx = c involved only one solution. Which solution would he have
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A

Step-by-step explanation

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3 0
3 years ago
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ZEFG and ZGFH are a linear pair, mZEFG = 2n + 16, and mZGFH = 3n+24. What are mZEFG and mZGFH?
liubo4ka [24]

Answer:

m<EFG = 72°

m<GFH = 108°

Step-by-step explanation:

m<EFG = 2n + 16

m<GFH = 3n + 24

Linear pairs are supplementary, therefore,

m<EFG + m<GFH = 180°

Substitute

2n + 16 + 3n + 24 = 180

Add like terms

5n + 40 = 180

5n + 40 - 40 = 180 - 40 (subtraction property of equality)

5n = 140

5n/5 = 140/5 (division property of equality)

n = 28

✔️m<EFG = 2n + 16

Plug in the value of n

m<EFG = 2(28) + 16 = 72°

✔️m<GFH = 3n + 24

Plug in the value of n

m<GFH = 3(28) + 24 = 108°

4 0
3 years ago
8. MOVIE TICKETS Tickets to a movie cost $25 for adults and 5.50 formodents A group of friends purchased 8 tickets for $52.75 a
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Answer and Step-by-step explanation:

\left \{ {{25x+5.50y=52.75} \atop {x+y=8}} \right.

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A farmer sows 100 seeds of a new type of corn and wants to quickly determine the yield, or total number of ears of corn, for the
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Step-by-step explanation:

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What is the relationship between a and b?
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