Answer:
(a) 
(b) 4 miles
Step-by-step explanation:
Given:
The sequence of run is an arithmetic sequence.
Miles traveled on day 1 = 1 mile
Miles traveled on day 7 = 2 miles
(a).
Explicit formula for an arithmetic sequence is given as:

Here, 
So,

Therefore, the explicit definition of the above sequence is given as:

Where,
is the miles covered on
day.
(b)
In order to find the distance covered by her on day 19, we plug in 19 for n in the above formula. This gives,

Therefore, the number of miles covered by her on day 19 is 4 miles.
so what is exactly the question
Answer:
10200
Step-by-step explanation:
This is an example of a compound interest. The equation for this problem is 10000*(1+2/100)^n. The n is the year as 1999 is 1 year away from 1998, you just replace n with 1 and you have a simple equation.
Answer: A home down payment is simply the part of a home's purchase price that you pay up front and does not come from a mortgage lender via a loan. ... At Bankrate we strive to help you make smarter financial decisions. While we ... how we make money. ... Suppose you want to buy a house priced at $100,000.
Step-by-step explanation:
Y = -10 and x = -13 (substitute 2y + 7 for x)