Answer:
a
n=1/2 an - 1
Step-by-step explanation:
64,32,16,8,4. is a geometric sequence. this is a sequence where, to get from one term to the next, there is a number that you have to multiply it by. this is the same for all parts of the sequence.
Answer:
x = -3, y =3
Step-by-step explanation:
y = -4/3x - 1
y = 1/3x + 4 -------> 4y = 4/3x + 16
Adding the first equation and the new second equation together:
5y = 15 ------> y = 3
Plug y = 3 into one of the original equations:
3 = 1/3x + 4
-1 = 1/3x
x = -3
300 - 30 3/10 = 269 7/10
hope this helps
All you have to do is count the number of perfect squares less than 200.
Or you can take the square root of 2000 to get 44.721. So 44 Positive integers.
Unless there has been a mistake in calculating the price, the only other explanation that the price for the item has been increased to a total of 108 - 90 = $18
