Answer:
3.5x+7
Step-by-step explanation:
divide your coeeficients by 4
Answer:
20
Step-by-step explanation:
The area of a kite is equal to the product of both of its diagonals and 1/2.
First diagonal:
2 + 2 = 4
Second diagonal:
8 + 2 = 10
Find the area.
10 × 4 × 1/2
40 × 1/2
= 20
Answer:
9180
Step-by-step explanation:

Answer:

Step-by-step explanation:
Given: 
To write: the given expression using summation notation
Solution:
Summation notation helps to write a long sum as a single expression.
In the summation notation, the variable
is called the index of summation.
Let
denote a set of n numbers.
Then in summation notation,

