chloeethoma24
28.04.2021 •
Mathematics
5k(k-9)=0 solve for k
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Ответ:
Step-by-step explanation:
5k²-45= 0
5k²= 0 +45
k²= 45/5
k²= 9
or
k = 9/2 = 4.5
Ответ: