Answer:
The number of pools clean per hour is 1.5
Step-by-step explanation:
Given as :
The number of pools clean in 8 hours = 12
The number of pools clean in 7.5 hours = 9
Let The number of pools they clean per hours = x
I.e x = 
+ 
Or, x = 
Or, x = 
∴ x = 
I.e x = 1.5
Hence The number of pools clean per hour is 1.5 Answer
Answer:
a.
Step-by-step explanation:
7d+12-14d-3
Combine like terms
-7d+9
Hope this helped.
None because two sides of the triangle added together have to be greater than the other side
There is no way he can write a bi-conditional because there are only 2 g e n d e r s which are m a l e and f e-m a l e and as such he can't use if and only if due to the fact that all non - m a l e dogs are f e m a l e dogs and v i c e v e r s a.
<h3>What is a biconditional statement?</h3>
A biconditional statement is a statement combing a conditional statement with its converse. So, one conditional is true if and only if the other is true as well.
Now, he wrote a true conditional which is "If 47% of the dogs
at the shelter are f e m a l e, then 53% of the dogs are m a l e."
Now, there is no way he can write a biconditional because there are only 2 genders which are m a l e and f e m a l e and as such he can't use "if and only if" due to the fact that all non - m a l e dogs are f e m a l e dogs and vice versa.
Read more about biconditional statement at; brainly.com/question/17005663
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