ANSWER:
As we know, diagonals of parallelogram (||gm) bisect each other.
So, AE = EC
2x - 10 = 8x - 70
2x - 8x = - 70 + 10
- 6x = - 60
x = 10
X^2 - 8x-9=0
D = b^2- 4*a*c = 64- 4* (-9) = 64+36=100 =10^2
X1 = (8-10)/2 = -1
X2= (8+10)/2= 9
Hannah is 10 and 3/4 years old
Step-by-step explanation:
Answer:
ithink its a or c
Step-by-step explanation:
not sure but dang what grade u in??
Im thinking the 3rd one . I’m not 100 percent sure.
