Answer:
1
c. as u can just estimate
2
550/(60*1.61)~5.7, so a.
3
34/8*12=51 so c.
Answer:
c=l/--a^2+b^2=l/--45^2+20^2≈49.24429
Step-by-step explanation:
l/-- mean square root
^ means squared/ exponent
100, because, x^2 - 20x + 100 = ( x - 10 )^2;
Answer: 55 minutes
Step-by-step explanation:
If the class started at 11:30 A.M. and ended at 12:25 P.M., how long did the class last? 55 minutes
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