Or, if that hyphen between the lower index and 3 is actually a negative sign, then the sum is -189.
Answer:
1002
Step-by-step explanation:
Plug in the values for a and b that you are given.
50(20) - 2(2) + 6 = ?
1000 - 4 + 6 = 1002
Answer:
11
Step-by-step explanation:
sub 7 in for t which gives you 2(7) - 3
14-3 = 11
Answer:
(x+6)
Step-by-step explanation:
because you have ( x+6) on bottom of the first equation and on the top on the second equation
Answer:
Step-by-step explanation:
A geometric sequence is based on the following equation:
In which r is the common ratio.
This can be expanded for the nth term in the following way:
In which is the first term.
In this question:
Applying the equation:
So