Answer:
16.4
Step-by-step explanation:
We want the number to be over 10 to be in decimal form
82/5 *2/2
164/10
There is 1 zero after the 1 so move the decimal one place in the numerator
164 becomes 16.4
The decimal is 16.4
Answer:
C
Step-by-step explanation:
Area of a square = Side × Side
Side = 7x-3
Area of the square = (7x-3) × (7x-3)
= 7x(7x-3) -3(7x-3)
= 49x^2 -21x -21x +9
=49x^2 -42x +9
Since both angle are congruent (equal/same), which means that both side is equal to 40 degrees, we will put the equation like this:
5x - 5 = 40
Now we’ll solve for x:
5x - 5 = 40
+ 5 + 5 (Add 5 to both sides)
5x = 45
—- —— (Five both side by 5)
5 5
x = 9
Now we left with x, so x is equal to 9.
