Find the value of a and b a^2 + b^2 = 400
2 answers:
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Rate = miles / time
8/t = 7/ 35
Dividing by 7
8/t = 7/ 35
8/ 7t = 1/ 35
Multiplying by t
8/7 = t/35
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Options
1) 8/t = 35/ 7 (False, t/8 = 35/ 7 )
2) t/8 = 7/ 35 (False, t/8 = 35/ 7 )
3) 8/7 = t/ 35 (TRUE)
4) 7/8 = t/35 (False, 8/7 = t/ 35 )
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Answer
3) 8/7 = t/ 35 (TRUE)
When you collect terms, for the first one you get
-x² -3xy +4 = -x² -3xy +4 . . . . . . equivalent equations.
-x² -3xy +4 = -x² -3xy +4 . . . . . . equivalent equations.