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2 years ago

Help please! Geometry word problem!

Mathematics

1 answer:

mr Goodwill [35]2 years ago

8 0

By applying reflection theory and constructing a geometric system of two proportional right triangles, the height of the stainless steel globe is approximately 140 ft.

<h3>How to estimate the height of the stainless steel globe</h3>

By physics we know that both the angle of incidence and the angle of reflection are same. Thus, we have a geometric system formed by two proportional right triangles:

5.6 ft / 4 ft = h / 100 ft

h = (5.6 ft × 100 ft) / 4ft

h = 140 ft

To learn more on geometry: brainly.com/question/16836548

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Given Sn=2n^2 - 5n, find

brilliants [131]

Answer:

a) -3

b) 117

c) 100

Step-by-step explanation:

(a) 2(1)²-5(1)

1²= 1

2×1= 2

2-5= -3

(b) 2(9)²-5(9)

9²= 81

81×2= 162

162-45= 117

4²=16

16×2= 32

32-20= 12

8²=64

64×2= 128

128-40= 88

88+12= 100

hope it helps!

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3 years ago

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tangare [24]

7.6 i could be wrong tho

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3 years ago

theresa went bowling on tuesday night. she bowled scores of 150, 165, and 165. what was her mean average score?

aleksley [76]

So, to do this, all you need to do is add up all the values, and then, with that number, divide by how many values are given.

150+165+165= 480
480/3= 160

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3 years ago

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iogann1982 [59]

Answer:

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3 years ago

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