Answer:
The perimeter of the triangle is 
Step-by-step explanation:
Let

we know that
The perimeter of triangle is equal to

the formula to calculate the distance between two points is equal to
step 1
Find the distance AB

substitute in the formula
step 2
Find the distance BC

substitute in the formula
step 3
Find the distance AC

substitute in the formula
step 4
Find the perimeter

substitute the values

Range is all real numbers
(-infinity, positive infinity)
Answer: 20% off
Step-by-step explanation:
35.00 times .20 = 7.00
35.00 minus 7.00 = 28.00
Just multiply the order pairs by 3. For example,
(2,0) times 3 = (6,0)
(3, -1) times 3 = (9,-3)
(-2,-5) times 3 = (-6, -15)
Answer:
£4 and £8.
Step-by-step explanation:
There are 3 parts to the sharing ( 2 + 1 = 3).
So one part is 1/3 of 12.
One part is 1/3 * 12 = £4
and 2 parts = 2/ * 1/3 * 12 = £8.