mari8493
15.04.2021 •
Mathematics
PLEASE HELP! NO LINKS OR I WILL REPORT!! I SUCK AT ALGEBRA
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Ответ:
-5 and 3
Step-by-step explanation:
(-(-2) +/- √(4- (4(1)(-15))) ÷ 2
(2 +/- √64 )÷ 2
(-2+8) ÷ 2 = 3
(-2 -8) ÷ 2 = -5
Ответ:
By definition of congruence
Step-by-step explanation:
Triangle ABC is congruent to triangle DBE