Hello :
<span>X - y = 4...(1)
x + y = 8...(2)
(1)+(2) :2x= 12
</span><span>The x-coordinate of the solution to the system shown is __6___.</span>
Answer:
<h2>30</h2>
Step-by-step explanation:
Answer: 9 miles per hour.
Step-by-step explanation:
In 1 hour they would run (1 4/5)/(1/5) = (9/5)*5 = 9 hours. So, they are running 9 miles per hour.
1 - 8 = - 7
6 - 1 = 5
Let us use the Pythagorean theorem:
c^2 = (-7)^2 + 5^2 = 49 + 25 = 74 -> c = 8.6
