Answer:
Step-by-step explanation:
Assuming this is the slope equation
-2 is the slope
x is point x
5 is the y intercept
y is point y
the regular equation it y = mx + b
the slope is negative so it is decreasing aka gooing down
sorryy if this is the wrong answer to your question
Answer:
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Answer:
Geometric and a common ratio of 7
Step-by-step explanation:
I found this out by dividing all the number and for each time I divided. I always got 7
Ex. 21÷3, 3÷3/7, 3/7÷3/49
Hope this helped
X = t - 3 is also -t = -x - 3 or t=x+3
Substitute it in
y=2/t+5
y=2/(x+3)+5
Let y=0 to solve for x
0=2/(x+3)+5
-5= 2/(x+3)
-10=x+3
-7=x
Now solve for t
t = x+3
t = (-7)+3
t = -4
Now we can solve for y
y = 2/(-4)+5
y = -0.5+5
y = 4.5
To check
4.5 = 2/(-4) + 5
4.5 = -0.5 + 5
4.5 = 4.5
-7 = -4 - 3
-7 = -7
Therefore
x = -7
y = 4.5
t = -4
It will take them 6 hours to be 168 miles apart.
