from second equation y = 18-x so:-
x(18 - x) = 30
x^2 - 18x + 30 = 0
x = 16.14, 1.86
when x = 16.14 y = 18-16.14 = 1.86
when x = 1.86, y = 16.14
so one variable = 16.14 and the other = 1.86 Answer
<h2>Verbal Phrase to Mathematical Phrase</h2><h3>
Answer:</h3>

<h3>
Step-by-step explanation:</h3>
Let that number be
.
The quotient of a number and
is
.
"Increased" is just another term for "plus (+)" so
increased by The quotient of a number and
is 
And it tells us that it is
so it must be 
Tile:
<h2>See the explanation.</h2>
Step-by-step explanation:
(a)
There were total 5 men wearing coats.
5 coats can be returned to 5 men in 5! = 120 ways.
The coats can be returned to the accurate persons only in 1 way.
Hence, the probability that each man gets the correct coat is
.
(b)
At the time of returning the first coat, the hostess will have 5 choices and for the second she will have 4 choices.
Hence, in
ways the hostess can return the 2 coats.
There is only 1 possible case that each of the coats will return to the correct owner.
Hence, the required probability is
.
Answer:
For every x feet of rope purchased, the total cost(y) increases by $6.85.
Step-by-step explanation: