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a_sh-v [17]
3 years ago
10

I need help please someone help please answer all of them please

Mathematics
1 answer:
kari74 [83]3 years ago
5 0
I only know the first one.
• In 4 hours the cyclist was able to travel 24 miles.
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What is the rate of change of the volume of the cylinder at that instance (in cubic kilometers per second)?
Kay [80]

Answer:

hello your question is incomplete attached below is the complete question

answer : -2400 π

Step-by-step explanation:

dr/dt = -12 km/s

h = 2.5 km

r = 40 km at some instant

hence the rate of change of Volume of cylinder at that instance

= dv / dt = d(\pi r^h ) / dt  

              = \pi h\frac{d(r^2)}{dt}  = -\pi h *2r *dr/dt

hence ; dv / dt = -2400 π

3 0
3 years ago
David’s family is driving from New York to Florida. They know the distance they will travel is about 1100 miles. If a map has a
zaharov [31]

Answer:

Step-by-step explanation:

do the proportion ...

1 inch/ 80 miles =x inch/ 1100 miles

1100= 80x

x=1100/80=13.75

The trip would be about 13.75 inches on the map

hope this will help u

3 0
4 years ago
The current temperature is 54°f. it is expected to rise 2.5° each hour. in how many hours will the temperature be 84°f?
faust18 [17]
The temperature will be 84 degrees in 12 hours
5 0
3 years ago
Worth 60points!!!!!
EastWind [94]

Answer:

X=4

Step-by-step explanation:

2÷\frac{1}{2}=4

6 0
3 years ago
The graph shows the results of a race between Parin and Andrew. Both boys begin the race at the same time.
ziro4ka [17]

The graph below shows the velocity of two bicyclists A and B in arace from time t=0 to time t=16. The racers start side by side andtravel along the same road. The race begins at time t=0 and at timet=16 one of the racers completes the course.


3 0
4 years ago
Read 2 more answers
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