Area = length * width
ABFE = 50 cm^2
because ABFE is the same area as DCGH. 10 * 5 = 50.
BFGC= 25 cm^2
because 5 * 5 = 25
EFGH= 50 cm^2
because 5 * 10 = 50
2x^2 = 28 - x in standard form is 2x^2 + x = 28
Factoring, we have:
x(2x + 1) = 28
Answer:
8 is 7 and 9 is no, because charlie only saves around 1/4 but melody saves around 1/3
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
You are changing the sign on one so to keep an equilibrium you change the other sign too