Answer: 
Step-by-step explanation:
three-fifths of a number means multiply three-fifths by a variable 
increased by 10 means addition +10
together it is 
Answer:
Alright just simplify the expression So the exact form is
Exact form: 3/40 Hope this helps :)
Step-by-step explanation:
I found the corresponding image of the above problem. I also put my answer on the image.
Pls. see attachment.
Answer:
(13+x)cm
Step-by-step explanation:
Given data
Length of sides
1cm, 5cm, 7cm
Since the shape is four-sided and the fourth side is not given, let the fourth side be x
so
The perimeter of the polygon is
P= 1+5+7+x
P= 13+x
Hence the perimeter of the polygon is
P= (13+x)cm