Question

1]2b+45x+5y+ab=?

2]there are 3 lights. they change their colour in 4809 second, 6386 second and 67890 second. if they change their colour at 7.30 A. M simultaneously. so, when will they change their colour simultaneously again?

only brilliant minds can solve this equation!

And they can get 50 points​

Answer 1

Answer:

When lights of different colors shine on the same spot on a white surface, the light reflecting from that spot to your eyes is called an additive mixture because it is the sum of all the light. We can learn about human color perception by using colored lights to make additive color mixtures.

Step-by-step explanation:

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