Answer:

Step-by-step explanation:
Explicit Arithmetic Formula: 
a₁ is 1st term in sequence
<em>d</em> is common difference
<em>n</em> is term number
Step 1: Find <em>d</em>
d = 8 - 2 = 6
Step 2: Plug in variables into formula

Answer:
36*1 000 000
=36 000 000
Step-by-step explanation:
Answer:
2.54 miles/hr
2.04 miles/hr
Step-by-step explanation:
<u>Given: </u> Distance between the two towns = 1100 miles
Difference between speeds =
miles/hr
Total time when they meet = 240 hours
<u>To find:</u>
Let distance traveled by first group =
miles.
Now, the distance traveled by second group = (1100-
) miles/hr
The relation between Speed, Time and Distance is given as:

Let speed of first group = 

Let speed of second group = 

As per question,
=
+ 

Now,

Putting value of
:

Similarly, putting value of
in
:

7 times 7 is 49
7 times 6 is 42
and 7 times 2 is 14
so 49t+6r+2 would be your answer