AD = DC
y + 6 = 2y
y - 2y = -6
-y = -6
y = 6
DC = 2y = 2(6) = 12
answer
DC = 12
The answer should be 120.
Answer:
3(x-1)=15 - divide both sides by 3
X-1=5- move the constant to the right and
change the sign
X=5+1 - Add
X=6
Answer:
its the 4th one
Step-by-step explanation:
115000+11000+1200=127200
ans-105500=21700
Answer:
Step-by-step explanation:
hello :
the n-ieme term is : An=A1×r^(n-1)
A1 the first term r : the common ratio
in this exercice : A1 =512 r = 1/2 n = 8
A8=512×(1/2)^(8-1) = 512×(1/2)^7
