Answer: Length of shorter side is 2.8 cm.
Explanation:
Since we have given that
Dimensions of a room are given by

On a plan, the longer side = 4 cm
As we know that the ratio of original room is equal to ratio of plan room
So,

So, length of shorter side is 2.8 cm.
Answer:
30%
Step-by-step explanation:
multiply both sides of the first set of data in the table by ten to get 100 as x and 70 as y, which means that it was marked down 30 dollars, or 30%
Answer:
0
Step-by-step explanation:
if they have the same slope then they never intercept
Answer:
256.
Step-by-step explanation:
Each position can be one of 2 states so the number of possibilities
is 2^8 = 256.
Solve 55=(t^2−t)/2 for t
t2−t=110
t2−t−110=0
(t−11)(t+10)=0
t=11