Answer:
Step-by-step explanation:
From the question, we understand that:
---- First Term
---- Common difference
Required
Determine the nth term
nth term of a sequence is calculated using:
Substitute values for 
and 
Open bracket
Collect Like Terms:
Hence, the nth term of the sequence is:
Answer:
A. 6
Step-by-step explanation:
3x – 15 ≥ 3
Add 15 to both sides
3x ≥ 18
Divide both sides by 3
x ≥ 6
So solutions are any numbers greater than or equal 6
Answer:
A. 6
Answer:
21 roads
Step-by-step explanation:
If each two cities are connected by a direct road, to find the number of roads we just need to solve a combination of 7 choose 2, that is, we need to find all pairs of two cities among the 7 cities:
Combination of 7 choose 2 = 7! / (5! * 2!) = 7*6/2 = 21
So there is a total of 21 roads on the island.
In the tenth month, 550 copies will be sold in the tenth month.
In a year, 780 copies will be sold.
Hope this helps!
Answer:
The percent of change in 6 yards to 36 yards is 500% .
Step-by-step explanation:
Formula
Where
Change in value = Final value - initial value
As given
The percent of change in 6 yards to 36 yards.
Final value = 36 yards
initial value = 6 yards
Change in value = 36 - 6
= 30 yards
Put in the formula
Percentage = 500%
Therefore the percent of change in 6 yards to 36 yards is 500% .
