Which measurement is greater 1 yard or one meter
2 answers:
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The difference between each term is -5, i.e. we know one of our terms is -5n. Now we just need to adjust it to get u1 correct. At n=1, -5n would give us -5 therefore we need to add 6 to get to 1. This gives us our equation:
Now we can work out the sum easily (we can use an equation using the above but personally I prefer the other one as it's less prone to mistakes):
We know n is 12, and we know u1 is 1, and we also know the difference is -5.
Substituting this in:
Now we can work out the sum easily (we can use an equation using the above but personally I prefer the other one as it's less prone to mistakes):
We know n is 12, and we know u1 is 1, and we also know the difference is -5.
Substituting this in:
