ALGEBRA AND TRIGONOMETRY-WEBASSIGN
4th Edition
ISBN: 2818000007824
Author: Stewart
Publisher: CENGAGE L
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Textbook Question
Chapter PL, Problem 7P
Wrapping the World A ribbon is tied tightly around the earth at the equator. How much more ribbon would you need if you raised the ribbon 1 ft above the equator everywhere? (You don’t know the radius of the earth to solve this problem.)
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Directions: Use the equation A = Pet to answer each question and be sure to show all your work.
1. If $5,000 is deposited in an account that receives 6.1% interest compounded continuously, how much money is in the
account after 6 years?
2. After how many years will an account have $12,000 if $6,000 is deposited, and the account receives 3.8% interest
compounded continuously?
3. Abigail wants to save $15,000 to buy a car in 7 years. If she deposits $10,000 into an account that receives 5.7% interest
compounded continuously, will she have enough money in 7 years?
4. Daniel deposits $8,000 into a continuously compounding interest account. After 18 years, there is $13,006.40 in the account.
What was the interest rate?
5. An account has $26,000 after 15 years. The account received 2.3% interest compounded continuously. How much was
deposited initially?
TRIANGLES
INDEPENDENT PRACTICE
ription Criangle write and cow
Using each picture or description of triangle write and solve an equation in ordering the
number of degrees in each angle
TRIANGLE
EQUATION & WORK
ANGLE MEASURES
A
B
-(7x-2)°
(4x)
(3x)°
(5x − 10)
C
(5x – 2)
(18x)
E
3.
G
4.
H
(16x)°
LL
2A=
2B=
ZE=
Answer ASAP and every part, please. Structures.
Chapter PL Solutions
ALGEBRA AND TRIGONOMETRY-WEBASSIGN
Ch. PL - PROBLEMS Distance, Time, and Speed An old car has...Ch. PL - Comparing Discounts Which price is better for the...Ch. PL - Cutting up a Wire A piece of wire is bent as shown...Ch. PL - Amoeba Propagation An amoeba propagates by simple...Ch. PL - Batting Averages Player A has a higher batting...Ch. PL - Coffee and Cream A spoonful of cream is taken from...Ch. PL - Wrapping the World A ribbon is tied tightly around...Ch. PL - Prob. 8P
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