The answer is B. because overall he ran 2 miles.
Answer: (10, -1)
Step-by-step explanation:
Subtract the bottom equation from the top to get:
2x=20
X=10
Plug on for X , y= -1
Let's write it down in terms of maths:
A number increased by 4
this is x+4
is the same as 19 minus 2 time the number
this is =19-2x
where x is "the number" .
so:
x+4=19-2x
let's move x to one side:
3x=19-4
3x=15
divide by 3:
x=5
so the number is 5!
Answer:
perpendicular bisector
Step-by-step explanation: