Olivia bought a television at a store that gave a 30 percent discount off its original price. The total amount she paid to the cashier was x dollars, including the 7 percent sales tax on the discounted price. Which of the following represents the original price of the television in terms of x? A) 0.77x B) 0.77 C) 0.7)(1.07)x D) (0.7)(1.07)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Olivia bought a television at a store that gave a 30
Energy Production by Fossil Fuels
percent discount off its original price. The total
amount she paid to the cashier was x dollars,
including the 7 percent sales tax on the discounted
price. Which of the following represents the
35
2010
30
2019
original price of the television in terms of x?
25
20
A) 0.77x
15
B)
0.77
10
C) 0.7)(1.07)x
D)
(0.7)(1.07)
Energy source
The bar graph above shows energy production in
quadrillions'of British thermal units (Btu) in the
United States, by energy source, for several fossil
fuel sources in the years 2010 and 2019.
6
In 2019 the values of stock A and stock B were
equal. From 2018 to 2019, the value of stock A
increased by 18%, and the population of stock B
Of the following, which best approximates the
percent decrease in production of energy by using
coal in the United States from 2010 to 2019?
decreased by 12%. If the value of stock A was
$165.00 in 2018, what was the value of stock B in
2018?
A)
7%
A) $118.80
В) 36%
B) $123.05
45%
C) $221.25
D) 57%
D) $352.50
Production (quadrillion Btu)
crude oil
(Áap) ses peange
(prmbij suryd) se8 jermeu
Transcribed Image Text:Olivia bought a television at a store that gave a 30 Energy Production by Fossil Fuels percent discount off its original price. The total amount she paid to the cashier was x dollars, including the 7 percent sales tax on the discounted price. Which of the following represents the 35 2010 30 2019 original price of the television in terms of x? 25 20 A) 0.77x 15 B) 0.77 10 C) 0.7)(1.07)x D) (0.7)(1.07) Energy source The bar graph above shows energy production in quadrillions'of British thermal units (Btu) in the United States, by energy source, for several fossil fuel sources in the years 2010 and 2019. 6 In 2019 the values of stock A and stock B were equal. From 2018 to 2019, the value of stock A increased by 18%, and the population of stock B Of the following, which best approximates the percent decrease in production of energy by using coal in the United States from 2010 to 2019? decreased by 12%. If the value of stock A was $165.00 in 2018, what was the value of stock B in 2018? A) 7% A) $118.80 В) 36% B) $123.05 45% C) $221.25 D) 57% D) $352.50 Production (quadrillion Btu) crude oil (Áap) ses peange (prmbij suryd) se8 jermeu
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