1/9 + 1/2 = 1/x
Let x = length of time it will take both hoses to work together
Multiply both sides by 18x.
2x + 9x = 18
10x = 18
x = 18/10
x = 9/5
x = 1.8 hours
In other words, if both hoses work together, the pool can be filled in 1 hour and 48 minutes.
Answer:
No
Step-by-step explanation:
No, because 8 - 1 ≠ 27 - 8. So, there is no common difference which is needed in order for the sequence to be arithmetic
Answer:
Option A is correct

Step-by-step explanation:
Let the number be z.
Given the statement:
'' five times the quotient of some number and ten"
" quotient of some number and ten" translated to 
"five times the quotient of some number and ten" translated to 
Then, the expression we get,

Therefore,
expression represents '' five times the quotient of some number and ten"
Answer: Id say C.
Step-by-step explanation: The other two can't possibly be a function.
<h2><em>Mark as brainliest if im correct please</em></h2>
Answer:x=6
Step-by-step explanation: