Answer:
95
Step-by-step explanation:
Required Average
=
80
Let the required grade be
x
.
Average
=
Sum of
n
numbers
n
So
80
=
76
+
84
+
65
+
x
4
320
=
225
+
x
x
=
320
−
225
x
=
95
Therefore, the required grade is
95
.
Given:
.
Exponential regression model is

To find:
The exponential regression representing the population of Lazy Town as a function of time in years.
Solution:
Exponential regression model is
...(i)
We have,
.
Substituting
and
in (i), we get.

Therefore, the exponential regression representing the population of Lazy Town as a function of time in years, is
.
42 - -84=-42
Hope this helps :)
the board is 56 inches long.
how i did this was
12 * 4 = 48
48 + 8 = 56
<em>hope this helps :)</em>
Answer:
The distance between the following points is 12 (Answer 12)