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Gnoma [55]
3 years ago
6

1. If y + 1/y = 2 cos teta find y​

Mathematics
2 answers:
Gennadij [26K]3 years ago
8 0

Answer:

1

Step-by-step explanation:

1+1/1=2

valina [46]3 years ago
7 0

Answer:

y=1

Step-by-step explanation:

y+1/y=2

y+1/y-2=0

y-1=0

y=1

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SashulF [63]

Answer:

the number of single room is 27 and the number of double room  is 53

Step-by-step explanation:

Let x is the number of single room

Let y is the number of double room

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x + y = 80 <=> x = 80 -y (1)

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