-3-24=-27, -3x-24=72
Answer is -3 and -24
Answer:
x = 20
Step-by-step explanation:
Traingle ABC = Traingle DEC
4x-1×4×5 = x+2×4×5
80x-1 = 2×20x
80x-20x = 2+1
60x = 3
60÷3 = x
x = 20
Divide the silver present in the bar by the total weight of the bar to find the percentage of silver in the bar.

Multiply this decimal by 100 for the percentage.

Rounded to the nearest tenth
, 71.4% of the weight of the bar is silver.
Answer:
EC = 15
Step-by-step explanation:
It appears that D, E, and F are the midpoints of their respective line segments (chords of the circumcircle). Hence EB = EC = 15.