Answer:
you are super nice to let me do this
Step-by-step explanation:
thank you, tgbrrhrbrtbrtrtbrlhixtrdfybvnbjhjgtfugfg...
- Audrina
Answer:
The temperature decreased by 9 °F in <u>6 days.</u>
Step-by-step explanation:
Let the number of days it takes for the temperature to decrease by 9 °F be
.
Given:
Average daily temperature decreases by
°F.
Decrease of temperature in 1 day =
= 1.5 °F.
∴ Decrease in temperature in x days is
.
Now, as per question, decrease in temperature in 'x' days is 9 °F.
Therefore, 


Therefore, the temperature decreased by 9 °F in 6 days.
Answer:
a
Step-by-step explanation:
everything else there are gaps in between like b and in c they are overlapping
V1=30km/hr
v2=20km/hr
v=2v1v2/(v1+v2)
=2*30*20/(30+20)
=24km/hr