19-09-2022
Mathematics

contestada

b) Find the value of 2a2 + 5b2 when a = -6 and b = 2

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lc90044 lc90044

19-09-2022

Answer: -4 because 2(-6)2 = -24 and 5(2)2 = 20 so -24 + 20 is -4.

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natzu574 natzu574

19-09-2022

Answer:-4

Step-by-step explanation:

2(-6)2

2 x -6 x 2=-24

5 x 2 x 2=20

-24+20=-4

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