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ludmilkaskok [199]
4 years ago
10

A football field is about 100 m long. if it takes a person 20 second to run its length, how fast ( what speed) were they running

?
Mathematics
2 answers:
rodikova [14]4 years ago
8 0
I belive it's 5.
100 \div 20 = 5
Because it's Distance divided by Time, because your finding speed.
Licemer1 [7]4 years ago
8 0
Hey there,
Speed = Distance / Time
Speed = 100m / 20 seconds
           = 5m / s

Hope this helps :))

~Top
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If an object moving at 1 mile/hour accelerates 1 mile/hour for every meter it travels, how fast will it be travelling in half of
d1i1m1o1n [39]

Answer:

Speed = 0.0003miles/hr

Step-by-step explanation:

Speed of object = 1 mile/hour

For every meter it travels, its acceleration increases by 1 mile/hour

∆Distance = increase in distance

∆speed = 1 meter

The speed and the distance are constant

Speed = distance/time

Time = distance/speed = 1meter/(1 miles/hr)

Convert meter to miles

1609.34 meters = 1mile

1meter = (1meter × 1mile)/(1609.34 meters)

1 meter = (1/1609.34)miles

Time = distance/speed = (1/1609.34)miles/(1 miles/hr)

Time = (1/1609.34)hr

We are to determine the speed the object would be travelling in half of an hour?

In 1hr, it travels (1/1609.34)miles

In ½hr, it travels = (1/1609.34)(½)hr

Speed = 0.0003miles/hr

It will be travelling 0.0003miles/hr in half of an hour

6 0
3 years ago
What is the value of 2 3rd x3 2nd
erica [24]

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8 0
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the lenght of jims garden will be 10 feet more than 2 times its with. the with of jacks garden will be 5 feet less than three ti
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Jack:    (3w-5)(L)=A

Step-by-step explanation:

2w+10=L Jim

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I hope this helps you

If it does a thanks and brainliest would be appreciated(trying to level up) if not pls leave a comment

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y
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