red123abc red123abc
  • 04-02-2020
  • Mathematics
contestada

What is 9+10?
A) 910
B) 21
C) 19
D) 90

Respuesta :

fatemehkorea
fatemehkorea fatemehkorea
  • 04-02-2020

Answer:

C) 19

Step-by-step explanation:

9+10 = 19

Answer Link
hart242
hart242 hart242
  • 04-02-2020

Answer:

B) 21

Step-by-step explanation:

Because 3×3=9 and 2×5=10

If you switch it, 3×2 and 3×5, that is equal to 6 and 15.

6+15=21

Answer Link

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