Answer:2
Step-by-step explanation:
Because it doubled
Answer:
does the anwser have a-d
Step-by-step explanation:
Answer:
112
Step-by-step explanation:
use substitution method:
make 2 equations:
44 = 2(l+w) l=w+6
plug in l:
44 = 2 (w+6+w)
combine like terms:
44 = 2(2w+6)
distribute:
44 = 4w + 12
get 4w alone:
44 = 4w + 12
-12 -12
__________
32 = 4w
Divide to get w alone :
32 = 4w
__ __
4 4
w=8
plug w in:
l = w + 6
l = 8 + 6
get l alone on one side:
l = 14
plug l and w in an are equation:
14 x 8 = 112
Answer:
x = 20 / √3 = 20√3 / 3
Step-by-step explanation:
AC² = AD² + BC² = x² + x² = 2 x²
AF² = AC² + CF² = 2 x² + x² = 3 x²
3 x² = 20² = 400
x² = 400/3
x = 20 / √3 = 20√3 / 3
