Answer:
A. d/2 = r
B. r=65 miles/hour
Step-by-step explanation:
A. d/2 = 2r/2
B. Using the formula you found for R it is
130/2= r, therefore r = 65
Answer:
I don't know just need points
Answer:
slope <em>m </em>= 1 y-intercept <em>b</em> = 3
Step-by-step explanation:
to double check you can do use the formula y=mx+b
-3*1= -3 +3= 0
so the coordinates would be (-3,0)
Answer:
<h3>x = 1/2 and y = 5</h3>
Step-by-step explanation:
First, let's multiply the first equation by two on the both sides:

⇒ 
Now, the system is:

After adding this up in the column:

y can be calculated by replacin the x:

<h3>x = 1/2 and y = 5</h3>