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27.09.2019 •
Mathematics
What are the square roots of 16 over 81 ?
a.
minus 2 over 3 and 2 over 3
b.
minus 4 over 9 and 4 over 9
c.
minus 8 over 9 and 8 over 9
d.
minus 4 over 3 and 4 over 3
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Ответ:
Ответ:
B 16a + 20
Step-by-step explanation:
4(4a + 5) = 4 times 4a + 4 times 5
= 16a + 20