If zig really did go to bed at 10 p. m., what is the wattage of the new light bulb?

Alright so here's the catch. Zig knows he went to bed at 10pm , but his calculations show 12pm. So basically,that could mean that his lights went off at 12pm , bc he makes his calculations according to the light bulb (lol , thats why its mentioned in the question). So theres a two hour difference.

Watt is the unit of power , so theyre asking us to find the power of the new bulb.  

power= work done by time.

time= 2hrs

Power=75watts.

we need work done , so work done = power * time = 75*2=150 joules.

but , new bulb works two hours more than previous one , so time taken = 4 hours , work done=150 joules.

therefore power= work done/time= 150/4=37.2 watts.

ik how do do this just give me a few minutes and i will give it to

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step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

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