Answer:
4.6
Step-by-step explanation:
28.888 / 3.14 = 9.2
9.2 / 2 = 4.6
<h2>
The area of the framed photograph = 1156 
</h2>
Step-by-step explanation:
Given,
The length of photograph (l) = 14 inches and
The breadth of photograph (b) = 10 inches
To find, the area of the framed photograph = ?
We know that,
The area of the framed photograph = (l + 2b)(l + 2b)
= (14 + 2 × 10) (14 + 2 × 10) 
= (14 + 20) (14 + 20) 
= (34) (34) 
= 1156 
∴ The area of the framed photograph = 1156 
Answer:
70
Step-by-step explanation:
70 combinations of four books can be made from eight different books.
Answer:
y = -1
Step-by-step explanation:
Since both equal y
x-1=y=2x+1
x-1=2x+1
minus x both sides
-1=x+1
minus 1 both sides
-2=x
value of x is -2