The explicit formula of the arithmetic sequence:
d - common difference
We have the recursive formula of an arithmetic sequence:
Therefore we have:
Substitute:
<h3>Answer: aₙ = 7 - 3n</h3>
I think the first one is correct.
Hope this helps!!
i have to swim this semester in gym and our pool is 13 feet for deep end and i don't like it
there could be a calculator online to solve it
BC = 12; XZ = 8; BZX = 55
To find BC:
Since XY is the bisector of AB and AC, this means that it is a median of triangle ABC. Its length will be half of the length of BC; 6 = 1/2BC; 6*2 = BC; 12 = BC
To find XZ:
Since XZ is the bisector of AB and BC, this means that it is a median of triangle ABC. Its length will be half of the length of AC; 1/2(16) = 8.
To find BZX:
XYCZ is a parallelogram. Consecutive angles of a parallelogram are supplementary; 180-55=125=XZC.
XZC and BZX form a linear pair and are thus supplementary. This means that BZX = 180-XZC = 180-125 = 55
