OH right! I should have realised that!
S6 = 7,812 = a1 * (5^6 - 1)
----------- were a1 = first term
5 - 1
3906*a1 = 7812
a1 = 7812 / 3906 = 2
Therfore the second term = 2*5 = 10 Answer
Answer:
The answer is B.
Step-by-step explanation:
<em>To subtract fractions, find the LCD and then combine.</em>
So the answer is 15.
Hope this helps :)
<em>-ilovejiminssi♡</em>
Well if the alloy makes the 1000 grams, but you are dealing with copper that isn't even 100% copper, than you either need 55% more copper, which isn't given, which means you really need 550 grams of alloy copper.
Answer:
Step-by-step explanation:
Common difference = 5
a₁ = 24
a₆ = a₁ + (6-1)5 = 49
Answer:
b
Step-by-step explanation:
