Nancy’s 50-meter freestyle swim time was 28.004 seconds. betty’s 50-meter freestyle swim time was 27.949 seconds. what was the difference between nancy’s and betty’s swim times?

Difference between Nancy's and Betty's swim times will be 0.055 seconds.

Step-by-step explanation:

It is given in the question that Nancy's 50- meter freestyle swim time was 28.004 sec. and Betty's swim time was 27.949 sec.

We have to calculate the difference between their swim times.

So to find difference from Nancy's swim time and Betty's swim time we will subtract Betty's swim time from Nancy's time.

The difference will be = 28.004 - 27.949 = 0.055 sec.

And the winner is Betty who took 0.055 seconds lesser than Nancy's swim time.

step-by-step explanation:

answer: they are supplementary angles

step-by-step explanation: 161+19=180. supplementary angles equal 180 degrees