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Galina-37 [17]
3 years ago
7

A boy borrowed his boat 531 feet out into the ocean. When he looked back he saw the house on a cliff above the beach where he se

t out. He estimated the angle of elevation was 26 degrees. Estimate to the nearest foot. the height of the house above the water
Mathematics
1 answer:
Ludmilka [50]3 years ago
8 0

Answer:

259 ft.

Step-by-step explanation:

A triangle is a polygon with three sides and three angles. Types of triangles are isosceles. scalene, equilateral, acute, obtuse and right angled triangle.

A right angled triangle is a triangle in which one of the angles is 90 degrees. Trigonometric ratios show the relationship between the angles of a right angle triangle and its sides.

Let h represent the height of the house above water, hence using trigonometric ratios:

tan(26) = h / 531

h = 531 * tan(26)

h = 259 ft.

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kupik [55]

Answer:

We can assume that the decline in the population is an exponential decay.

An exponential decay can be written as:

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Where A is the initial population, b is the base and t is the variable, in this case, number of hours.

We know that: A = 800,000.

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And we know that after 6 hours, the popuation was 500,000:

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then we have that:

b^6 = 500,000/800,000 = 5/8

b = (5/8)^(1/6) = 0.925

Then our equation is:

P(t) = 800,000*0.925^t

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3 years ago
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3 years ago
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belka [17]

Answer:

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Step-by-step explanation:

Whichever distance you can count the metric units and see that the x value is 7 on

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Step-by-step explanation:

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