-10=10(k-9)
so,
-10=10k-90
that is just expanding the brackets by multiplying to k and-9
then.
-10=10k-90
move the-90 over by adding 90
so, 80=10k
k =80/10
k=8
Answer:
Step-by-step explanation:
Given that :
Scale used = 1:90
Actual tree = 315 inches
Let x = size of model tree
Answer:
subtract the 2 numbers then you get one number and then that id the answer to that problem
Step-by-step explanation:
Looks to me like you have the right answer...
Answer: Angle 2: 45°
Step-by-step explanation:
All triangles add up to 180, so all you would so is take both of those angles and subtract them from 180, so basically 180 - 135
