Answer:

Step-by-step explanation:
we know that
The rule of the translation is equal to

That means
The translations is
units to the right and
unit up
Let
-------> the coordinates of point B
------> the coordinates of point B'
Find the distance
the formula to calculate the distance between two points is equal to

substitute



Answer:
-7
Step-by-step explanation:
Hope it helped!
Answer:
2√42 ≈ 12.961
Step-by-step explanation:
All of the right triangles are similar, so ...
short leg/long leg = BC/AC = AC/CD
AC² = BC·CD = 7·24 = 168
AC = √168 = 2√42
Step-by-step explanation:
divide equation by 2
subtract 6
-x