Look at the triangles shown below.
1 answer:
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we know that
1) Lily swims a -meter race
2) She swims the first half in seconds
3) She swims the second half in seconds
so
To find the total time to swim the whole race sum the time in the first half plus the time in second half
therefore
<u>the answer is</u>
we can always find the slope of any line by simply using two points on the line, say let's use (3,4) and (-1,2)