Answer:
It will take 1.47 hours for the horse and clown to collide
Step-by-step explanation:
They are driving toward each other, in opposite directions.
So to find their speed of approximation, we add their speeds.
19 mph + 15 mph = 34 mph.
This means that each hour, they are 34 miles closer.
How long it takes for them to find each other if they are 50 miles apart?
1 hour - 34 miles
x hours - 50 miles
![34x = 50](https://tex.z-dn.net/?f=34x%20%3D%2050)
![x = \frac{50}{34}](https://tex.z-dn.net/?f=x%20%3D%20%5Cfrac%7B50%7D%7B34%7D)
![x = 1.47](https://tex.z-dn.net/?f=x%20%3D%201.47)
It will take 1.47 hours for the horse and clown to collide
Answer:
Divide
Step-by-step explanation:
It is divide because to find the rate you have to find per inch.
Answer:
The absolute brightness of the Cepheid star after a period of 45 days is -5.95
Step-by-step explanation:
Since the absolute magnitude or brightness of a Cepheid star is related to its period or length of its pulse by
M = –2.78(log P) – 1.35 where M = absolute magnitude and P = period or length of pulse.
From our question, it is given that P = 45 days.
So, M = –2.78(log P) – 1.35
M = –2.78(log 45) – 1.35
M = –2.78(1.6532) – 1.35
M = -4.60 - 1.35
M = -5.95
So, the absolute magnitude or brightness M of a Cepheid star after a period P of 45 days is -5.95
The answer to this problem is 1 and 5 tenths.
4(x + 2) = 48
4x + 8 = 48 |subtract 8 from both sides
4x = 40 |divide both sides by 4
x = 10