joshik0506 joshik0506

09-01-2021
Mathematics

contestada

True or false? 3a+15b is divisible by 3 for any values of a and b.

Respuesta :

sdnkowqdjieuwi sdnkowqdjieuwi

09-01-2021

Answer:

true

Step-by-step explanation:

its TRUE :)

Answer Link

Eddie1Wan Eddie1Wan

09-01-2021

Answer:

False

Step-by-step explanation:

Take a=-1 and b=-1/7

-3+-15/7=-36/7 which is not divisible by 3. There are several other examples which I don't even need to prove

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