Question

Two students start to beat the drums simultaneously, but at different intervals of 10 seconds and 12 seconds
respectively. What is the minimum time after which they beat the drums again at the
same instant?
Pls give this answer with step by step instructions​

Answer 1

Answer9) Additive inverse of -2 is

Answer 2

Answer:

60 seconds.

Step-by-step explanation:

1st step=As here said that minimum time, so find out the Lcm of 10 and 12 and unit would not be changed.

2nd step=10=2×5

12=2×2×3.

3rd step =So, as we know that in Lcm we take numbers of highest degrees(powers).

So, Lcm=2^2×3×5=60

So, the answer is 60.

I hope this answer would help you and assure that you understood it.

Thank you