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india73
30.03.2020 •
Mathematics
Admission to a neighborhood pool cost $2.50 and $4.50 for adults. The total number of children and adults that attended the pool for one day was 170. The total amount of money collected for the day was $575. How many children and adults were at the pool?
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Ответ:
5/3
Step-by-step explanation:
Trigonometric ratio
Cot θ = Adjacent side/Opposite side
It is given that,
Cot θ = 4/3
Adjacent side = 4
Opposite side = 3
Csc θ = Hypotenuse/Opposite side
To find the Hypotenuse
Hypotenuse² = Opposite side² + Adjacent side ² = 3²+ 4²
Hypotenuse = √(3²+ 4²) = 5
To find Csc θ
Csc θ = Hypotenuse/Opposite side = 5/3