Step 2: She did not simplify under the square root correctly
under the square root:
(-6)^2 =36
and -4(5)(-8) =160
therefore under the square root it needs to be square root of 36+160 which is square root of 196.
That answer is 14 when square rooted
How long will it take you to ski a distance of 36 miles at a speed of 3 miles per 30 minutes
1 answer:
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