donna33d donna33d

08-03-2019
Mathematics

contestada

Find a ⋅ b.

a = <5, 2>, b = <4, 5>

<20, 10>
<9, 7>
-10
30

Respuesta :

surjithayer10otahza surjithayer10otahza

11-01-2020

Answer:

Step-by-step explanation:

a.b=5(4)+2(5)=20+10=30

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