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22.09.2019 •
Mathematics
The numbers 20, 21, 29 form a pythagorean triple. which are other sets of numbers a pythagorean triple?
21, 22, 30
40, 42, 58
60, 66, 87
70, 84, 116
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Ответ:
40² + 42² = 58²
Ответ:
a²+b²=c²
and a,b,c, is a tripple, then
ax,bx,cx is also a tripple when x=x
if we multiply 20,21,29 by 2 (mulitply all )
we get
40,42,58
that is 2nd option
answer is 2nd
Ответ:
Yes. Juan will break even because 16 and -16 are a zero pair. -16 is the additive inverse of 16. So the sum will be 0.