msab3253
24.10.2021 •
Mathematics
Squareroot of 9 is equal to
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Ответ:
± 3
Step-by-step explanation:
= ± 3
That is + 3 or - 3
Since 3 × 3 = 9 and - 3 × - 3 = 9
Ответ:
2n+1=-5
2n=-5-1
2n=-6
n=-6÷2
n=-3