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nikitadnepr [17]
3 years ago
8

A hiker is standing on the ground looking up to the top of a tree with an angle of elevation of °= 55 The situation represented

where the base of the triangle is the eye level of the hiker and the vertical side is the tree. The distance from
the hiker's eye to the top of the tree is 54 feet. Based on the information given, what is the distance a, in feet from the hiker
to the base of the tree? Do not include the units in your answer. Round to the nearest whole number.
Mathematics
1 answer:
mojhsa [17]3 years ago
3 0

From the hiker to the base of the tree it's 48.2

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New number - original number

561,000 - 438,000 = 123,000.

Increased number divided by the original number

123,000 ÷ 438,000 = 0.28

Multiply by 100

0.28 x 100 = 28%

The percentage increase would be 28%

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pychu [463]

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For this case we have the following expression:
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4 0
3 years ago
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Maru [420]

Answer:

Option 4

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4 0
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13. For the arithmetic sequence: 6, 12, 18, 24,...
serg [7]

a_15 = 90

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Step-by-step explanation:

Given sequence is:

6, 12, 18, 24,...

First of all we have to find the common difference. The common difference is the difference between consecutive terms of an arithmetic sequence.

Here,

d=a_2-a_1 = 12-6 = 6\\d=a_3-a_2= 18-12 = 6

The general form for arithmetic sequence is:

a_n=a_1+(n-1)d

Putting the values for a_1 and d

a_n=6+(n-1)(6)\\a_n=6+6n-6\\a_n=6n

<u>a) Find a15</u>

a_{15} = 6(15)\\=90

<u>b) Write an equation for the nth term.</u>

The equation is: a_n=6n

Keywords: Arithmetic sequence, Common Difference

Learn more about arithmetic sequence at:

  • brainly.com/question/10703930
  • brainly.com/question/10772025

#LearnwithBrainly

4 0
3 years ago
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