22. | x | > | y | and x < y
I think -x > -y + x < y so the answer is x = y
Answer:
a the difference of 17 and 9
Answer:
#1 is a function, #2 is a function, #3 is not a function, #4 is a function
Step-by-step explanation:
Answer:
36
Step-by-step explanation:
6x6
Answer: Leia pays more to fly from the UK to Australia
Step-by-step explanation:
We have two persons, Andy and Leila; both travel from UK to Australia but in different ways:
<u>For Andy:</u>
-He first flies from UK to Japan and the cost of the ticket is ![\£ 554](https://tex.z-dn.net/?f=%5C%C2%A3%20554)
-Then he flies from Japan to Australia and the cost of the ticket is ![70140 Yen](https://tex.z-dn.net/?f=70140%20Yen)
So, the cost of Andy's trip is:
(1)
Taking into account that we have to use the same units to sum two quantities, we have to convert the Yens to
; knowing that
:
![70140 Yen \frac{\£ 1}{140 Yen}=\£501](https://tex.z-dn.net/?f=70140%20Yen%20%5Cfrac%7B%5C%C2%A3%201%7D%7B140%20Yen%7D%3D%5C%C2%A3501)
Then, (1) is rewritten as:
(2) This is the total cost of Andy's trip
<u>For Leila:</u>
She flies directly from UK to Australia and the cost of her ticket is
(Australian dollars)
Taking into account that we have the price of Andy's trip in
, we have to convert the Australian dollars to
, in order to compare.
So, knowing that
we have:
(3) This is the total cost of Leila's trip
Hence, comparing (2) and (3) we can see that <u>Leila paid more to fly from UK to Australia.</u>