angie7665
23.08.2019 •
Mathematics
What is 3 times 3? what is f5 times 5? what is 9189 dived by 3 times 7 squared?
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Ответ:
3 of 3 or 3+3+3 or 9
so f5 times 5 means (f)(5)(5) associative property of multiplication says (ab)c=a(bc) so
(f)(5)(5)=f25 or 25f
9189 divided by 3 times 7^2
pemdas
parenthasees exponents mult/division whicherver comes first, addition/subtraction whicherver comes first
so 7^2 is first
7^2=7 times 7=49 (times tables)
then division
9189/3=3063
then 3063 times 49= (use calculator) 150,087
Ответ:
a = 0, 5 + i, 5 − i
Step-by-step explanation:
5(2a + 5)