Answer:
r is the common ratio (in geometric sequence)
d is the common difference (in arithmetic sequence)
n is the term number
a1 is the value of the first term
an is the value of the nth term
Step-by-step explanation:
arithmetic sequence formula:
an=a1+d(n-1)
geometric sequence formula:
an=a1•(r)^(n-1)
Answer:
x percent of 5 is 1
Step-by-step explanation:
Nine is x percent of 45
x = 20
20 % of 5 = 1
The y intercept is always c (-5) and to the axis of symmetry u do -b/2a which is -1 and the vertex is (-1,10) because u pug in -1 into the equation. lmk if it’s right!
Answer:
3
Step-by-step explanation:
15 minus 9 equals 6. 6 divided by 2 equals 3.