Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 93E
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Question
I want this answer to be check its the answer key but im confused why 2 miles is bottom and 5miles is side
A powerline to be run to an offshore facility. offshore facility is 5 miles at sea and 2 miles along the shoreline from powerplant. 50,000 dollares it costsper mile to lay powerline underground and 80,000 dollares to run line underwater
hoe much of powerline should be run underground mimizing overall costs
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62500 = 3900 x?
62500
= x Ň 4.003 mi les
3900
But x has to be less than
2 miles, so
set
just
X= 2 and Run the lue
SHlaig Lt under water to
the tfshme farilitg,
line has len ghe Jzis?
= J29 milos, cost is
Vza . 80000 ă " 930813.18
Chapter 8
sec
In Exercises 5- 12, find the Maclaurin polynomial of degree
n for the given function.
Soltiom Pae 19
5. f(x) = e, n = 3
fcx)= e^ fro)= 1
1:40 PM
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Transcribed Image Text:Read X
G readin X
G olivia X
Olivia X
E Las fru X
G cumpl x
G tops
Б Answe X
M calc hi X
O Soluti X
O Soluti X
G how t X
+
O File | C:/Users/Rachel%20Hickey/Downloads/HW11-Nov10%20(1).pdf
* E
Apps
101 Chem101
Search Results for t...
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E Reading list
Solutions
18 / 21
50%
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Solution Paar 17
cos is
*81 (housad)
5 pailes 1
2-X
2miles
-> cosas $5o (thousand)
(ast = 50 (2-x) + 8o f*+*
Choose X
to minimije
Cost
fcn= -50+ 80t (s*+x\*. 2«)
= -50+
80x
Vzs tx?
50 =
50 =
(80 x)?
25 ty?
6400 x?
2500 =
25+ yZ
<-) 2500(15 + 7 ) = 6400x?
<=7 62500+ as00x =CY0OX?
Soltiom Par 18
{=) 62500 = 3100 x2
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