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Aleksandr-060686 [28]
2 years ago
11

X,y,z and l are proportional quantites, prove that : y–x/x = l–z/z​

Mathematics
1 answer:
Vera_Pavlovna [14]2 years ago
7 0

Answer:

y=24

Step-by-step explanation:

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Eliot and his friends ate 3/8 of a pie. If the pie was cut into eight pieces ,how much pie is left over
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3 years ago
A person sights a boat from 235 feet above sea-level as shown. If the angle of depression from the man to the boat is 21 , then
Evgen [1.6K]

Answer:

B = 612.2 ft

Step-by-step explanation:

Solution:-

- The elevation of person, H = 235 ft

- The angle of depression, θ = 21°

- We will sketch a right angle triangle with Height (H), and Base (B) : the boat's distance to the edge of the cliff and the angle (θ) between B and the direct line of sight distance.

- We will use trigonometric ratios to determine the distance between boat and the edge of the cliff, using tangent function.

                             tan ( θ ) = H / B

                             B = H / tan ( θ )

                             B = 235 / tan ( 21 )

                             B = 612.2 ft    

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3 years ago
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m_a_m_a [10]

Answer:

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Step-by-step explanation:

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I hope this helps!

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