2.5 /10 = 10 / x
100 = 2.5x
40 =x
Excuse me are you sure your question is sensible to answer
Answer:
(x+5) m
Step-by-step explanation:
Given that,
The area of a square shape, 
We need to find the expression for the length of one side of the square.
The area of a square shaped object is given by :

x is side of the square

So, the sides of the square is (x+5) m.
Step-by-step explanation:
F(x) = (x + 7)³
= 3C0 * x³ + 3C1 * x² * 7 + 3C2 * x * 7² + 3C3 * 7³
= x³ + 21x² + 147x + 343.
Answer:
Yeah.it is right
Step-by-step explanation: