Let the length of the playground be x, then the width is 6 + x.
Area = length * width = x * (6 + x) = 6x + x^2 = 216
Solving the quadratic equation x^2 + 6x - 216 = 0, we have x = 12 or -18
i.e length = 12 and width = 6 + 18 = 18
Answer:
1) 2
2) 4
3) 3
Step-by-step explanation:
Im not sure how to explain this but i hope this helps!
5. since .6 is greater than 5, we round up.
10x2000= 20,000
2000
X 10
--------
0000
20000
Answer:
Step-by-step explanation:
9t²-16u² = 3²t²-4²u² = (3t)²-(4u)² = (3t+4u)(3t-4u)