is the formula for an arithmetic sequence
an=nth term
a1=first term
d=common difference
n=which one it is
given
6th term or a6 is 22
and d or common differece is 6 then
minus 30 both sides
so
the formula is
the 50th term is subsitute 50 for n
the 50th term is 286
Answer:
Step-by-step explanation:
4a + c = 55
3a + 2c = 50
Use -2 for top equation
-8a - 2c = -110
3a + 2c = 50
-5a = -60
a = $12 each adult
4(12) + c = 55
48 + c = 55
c = $7 each child
Answer:
C. 576 ft.
Step-by-step explanation:
If the garden has a perimeter of 72feet and the lengths of each of the sides are lengthened by a factor of 8.
Perimeter of the enlarged garden = perimeter before enlargement x enlargement factor
That’s 72 x 8
576feet
Double 7= 7+7 which is 14, 3 times 1 = 3, and 2nd num is 3, so 3 minus 14 is 11, Hope i helped!!