Answer:
-15x-4
Step-by-step explanation:
-21x + 6x-4
-15x-4
Answer:
y=14° x=15.6°
Step-by-step explanation:
In the picture.
I hope that it's a clear solution.
Answer:
hours
Step-by-step explanation:
Whenever 2 quantities (suppose a and b) are inversely proportional to each other, we can write an proportionality equation (with k as proportional constant) as:
Since, here t is INVERSELY PROPORTIONAL to r, we can say:
Firstly, we have t = 2 hour and r = 40 mph, so we find k:
Now, secondly, we have r = 45 and k = 80, we need to find t:
So, it would take hours
Answer:
option 3
Step-by-step explanation:
not sure if right