Answer:
0.5,0.25,3/8,1 1/4
Step-by-step explanation:
The time needed at 2 meters per second for both rounds would be 100/2 s or 50 seconds. For the first lane he already used 50/1.5 -> 33.33 seconds, so he would need to cover the other 50 meters in exactly 16.67. 50m divided by the 16.67 seconds he has left means he has to swim at a speed of 3 meters per second.
Answer:

Step-by-step explanation:
You first equate it to zero to get:

Then solve using square root method




Or


Now work it backwards


Hence the factored form is:

Answer:
144
Step-by-step explanation: