masonsee4ytube
20.09.2020 •
Mathematics
Which student solved the equation StartFraction w Over 13.5 EndFraction = 9.7 correctly?
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Ответ:
8
Step-by-step explanation:
because we know its an isosceles triangle angle A and C will both be the same and since we know A = 69 C will also be 69. we also know that angles in a triangle add to 180 so take away the two 69s from the 180 to get 42
then we work backwards if its 5x + 2 then we need to do 5x - 2 to get 40 then divide it by 5 to get your answer 8!
(sorry if the explanation doesnt make sense )