NEEDS TO BE ANSWERED ASAP

Mathematics

2 answers:

Korolek [52]3 years ago

8 0

Answer: a. $\dfrac{43}{87}$

Step-by-step explanation:

From the given table , it can be seen that the total number of flights are given : 43+33+6+5=87

Also, the the number of Upstate Airlines flights on time = 43

Now if one of the 87 flights is randomly selected, the probability that the flight selected is an Upstate Airlines flight which was on time will be :-

$\dfrac{\text{Number of Upstate Airlines flight on time}}{\text{Total flight}}\\\\=\dfrac{43}{87}$

Hence, the probability that the flight selected is an Upstate Airlines flight which was on time $=\dfrac{43}{87}$

Olegator [25]3 years ago

7 0

The answer is A, because 43 of the flights were from UA and were on time, this is out of a whole of 87 flights.

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the units digit of a two-digit number is twice the tens digit. If the digits are reversed, the new number is 9 less than the ori

Anton [14]

Answer:

Step-by-step explanation:

Here is the correct and complete question: The units digit of a two-digit number is twice the tens digit. If the digits are reversed, the new number is 9 less than twice the original number. What is the original number?

Lets assume the original number be"10y+x". (x is unit digit and y is 10th digit)

∴ if number is reversed then resulting number be "10x+y".

As given: x= 2y

and $10x+y= 2(10y+x)-9$