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2 answers:
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Answer:
Ratio of tin to silver in the bar is 2:3
Step-by-step explanation:
We are given the following in the question:
10 kg of tin loses 1.375 kg in the water
Percentage of weight lost by tin =
5 kg of silver loses 0.375 kg
Percentage of weight lost by silver =
20 kg bar loose 2 kg in water.
Percentage of weight lost by metal =
Let x be the amount of tin and y be the amount of silver in bar.
Thus, we can find the ratio as:
is the required ratio.
Answer:
Step-by-step explanation:
From the question we are told that:
Height
Angle of depression
Angle of Elevation
Generally the equation for the vertical distance between Emery's distance x and the bottom of the building is mathematically given by
Since the angle of depression and elevation are given as
27 and 23 respectively
Therefore
Emery's view of the 42 ft building is
Therefore Emery's distance x to the base of the building h' is
Generally the Trigonometric equation for Emery's distance x is mathematically given by