3 years ago

31 √8 rational or irrational

Mathematics

1 answer:

denis-greek [22]3 years ago

3 0

Answer:

it is irrational. the number is

2.8284271475

no repeats and doesn't truncate so irrational

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Help! What is |-3|+|3| ?

kvv77 [185]

$|a|= \left\{\begin{array}{ccc}a&for\ a\geq0\\-a&for\ a \ \textless \ 0\end{array}\right\\\\Examples:\\|2|=2\ because\ 2\geq0\\|0|=0\ because\ 0\geq0\\|-5|=-(-5)=5\ because\ -5 \ \textless \ 0\\|-100|=-100\ because\ -100 \ \textless \ 0$

|-3| + |3| = 3 + 3 = 6

6 0

3 years ago

-4 + 4d + 17 = 33<br> D = ?

cricket20 [7]

Answer:

Step-by-step explanation:

I think it is 3, because...

33 - 17 = 16

16 - 4 = 12

12/4 = 3

???

7 0