All categories

3 years ago

In 2000, U.S. Airways burned about 115 litres of fuel per passenger. In 2014 that dropped

Mathematics

1 answer:

ankoles [38]3 years ago

6 0

Answer:

22% reduction

Step-by-step explanation:

Find the percent decrease by dividing the difference in amounts by the original amount.

Find the difference:

115 - 90 = 25

Divide this by the original amount:

25/115

= 0.217

So, the percent decrease is 21.7%. Round this to the nearest whole percentage:

= 22

The percent reduction in fuel used was approx. 22%

You might be interested in

The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a sol

abruzzese [7]

We need to know some log properties

1. when the base is not stated, assume that it is base 10 or log₁₀
2. $log_aa^x=x$

-log(10^-1)= $log_{10}10^{-1}=-1$

answer is D. -1

3 0

3 years ago

What the answer to this???

geniusboy [140]

Answer:

they are similar because you have to in both equations you have to multiply 1/2 by bh

they are different because the trapezoid base is added to itself and multiplied by 1 and 2

8 0

3 years ago

Can someone help me out on this problem and show work

DochEvi [55]

Answer: 4230.14

Step-by-step explanation:

The amount that the balance is multiplied by each month is

$\frac{2448}{2040}=1.2$ .

So, after t months, the balance is $1700(1.2)^{t-1}$ .

Substituting in t=6, we get the balance is

$1700(1.2)^{6-1}=\boxed{4230.14}$ , to the nearest hundredth.

6 0

2 years ago

Which of the following is the best estimate of 3/8

defon

Answer:

Step-by-step explanation:

3/8 is closest to 1/2 yw btw

6 0

2 years ago

(3x+4)-(-8-2x) simplified

goldenfox [79]

Answer:

5x+12

Step-by-step explanation:

7 0

3 years ago