Answer:
Step-by-step explanation:
The explicit form for an arithmetic sequence is:
where 
is the first term and [ted]d[/tex] is the common difference.
The given sequence is arithmetic because term-previous term is the same per each pair of term and previous term.
That is the following holds:
-4-3=-11-(-4)=-18-(-11)
All of these differences are equal to -7, the common difference.
So let's fill in the explicit form:
or
or
or
Step-by-step explanation:
x + y = 72
x - y = 40
x = y + 40
so, the first equation is then
y + 40 + y = 72
2y + 40 = 72
2y = 32
y = 16
x = y + 40 = 16 + 40 = 56
Question
evaluate a+b for a =34 and b=-6
a + b =
34 + (-6) =
34 - 6 =
28
Answer:
C is correct
Step-by-step explanation:
hope this helps u
Answer:Isolate the variable by dividing each side by factors that don't contain the variable.
d=−5
Step-by-step explanation:
