Answer:
7.8
Step-by-step explanation:
Answer:
Olga's mistake: She did not multiply 
and 
in the beginning
Step-by-step explanation:
The main problem is that when a number is outside of the parentheses on the left side, then you have to multiply that number, in this case , by both numbers in the parentheses. After that, continue solving the problem as you usually would. Hope this helped!
Since the perimeter is 45 each side is 7.5 (45 divided by number of sides).
Now the picture already divided the hexagon into one triangle, and you can make another triangle in the bottom left. You can isolate the middle part into a big rectangle and the right part into two triangles.
Area of rectangle: length * width
Area of triangle: (1/2) * base * height
The answer is b. "at most" means that x + (x + 1) must be smaller than or equal to the other side of the equation.
<h2>(x, y) = (6, 1)</h2>
Step-by-step explanation:
-x + 4y = -4
y = 1/2x -2
-x + 4(1/2x - 2) = -4
-x + 2x - 2 = 4
x = 4 + 2
x = 6
y = 1/2x - 2
y = 1/2 x 6 - 2
y = 3 - 2
y = 1
(x, y) = (6, 1)
