Answer:
Step-by-step explanation:
<u>The standard form is:</u>
<u>Convert the given into standard form:</u>
Answer:
Step-by-step explanation:

Answer:
Step-by-step explanation:
Answer:
75 minutes
Step-by-step explanation:
The rate at which the tank is filled up, F, and emptied, E, are respectively:

Since V is the full volume of the tank, the time required to fill the tank if both pipes are open is given by:

It will take 75 minutes to fill the tank if both pipes are open.
Answer: the answer is 1,307
Step-by-step explanation: 13,069 has 5 digits and 1000 has 4 so it is the second to last 1 3 0 <u>6</u> 9 . 5 or more add one . 5 or less leave it alone