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emmainna [20.7K]
3 years ago
5

A forest ranger spots a fire on a 28 foot tower,the angle of depression from the tower to the fire is 11 degrees to the nearest

foot how far is the fire from the base of the tower show the steps you use to find the solution
running short on time to turn this answer in plz help
Mathematics
1 answer:
aleksandrvk [35]3 years ago
6 0
Solution:
use the trigonometric function which is tangent
tangent is equal to opposite/hypotenuse
the angle is 11 degrees
28 foot will be your opposite
your hypotenuse is the missing

tan(11 degrees)=28 foot/ hypotenuse
hypotenuse= [28 foot/ (tan 11 degrees)]
hypotenuse = 98.8 feet
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4(1-2b)+7b-10

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(And simply the fractions for a simpler equation)

For piece A:
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Answer:Remember that the general formula of geometric sequence is 

where 

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is the difference

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where 

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We know for our problem that the initial value of the computer is $1250, so our first term is 1250. In other words .

To fin our second term , we are going to subtract 10% of the value to our original value:

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To find our third term  we are going to subtract yet again 10% to our current value:

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Now that we have our sequence  lets check if we have a consistent  to prove we have a geometric sequence:

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- with , and :

 

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Step-by-step explanation:

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