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grandymaker [24]
3 years ago
10

I really don’t understand and I need the answers to pass

Mathematics
1 answer:
cricket20 [7]3 years ago
7 0

Answer:

H(10) Would be the time, in minutes the balloon spent in air . H(10) Means the balloon spent 10 minutes in air

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A goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods trai
Flauer [41]

The length of the goods train is 270 meters.

Given that, a goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds.

<h3>What is the distance formula with speed and time?</h3>

Speed is defined as the rate at which an object moves from one place to another in a given interval of time. It is a scalar quantity as it defines only the magnitude not the directions of an object moving. The S.I. unit of speed is m/s.

The speed of a moving object can be calculated as Speed = Distance / Time.

Now, to convert km/h to m/sec multiply the measure by 5/18.

That is, 72 × 5/18 = 20 m/sec

Let the length of the train be x metres.

So, then (x+250) / 26 = 20

⇒x+250=520

⇒x=270 meters

Therefore, the length of the goods train is 270 meters.

To learn more about the speed visit:

brainly.com/question/7359669.

#SPJ4

5 0
1 year ago
Tiara attended 12 piano classes in four weeks. If she attended the same number of classes each week, which equation can be used
skelet666 [1.2K]

Answer:

C

Step-by-step explanation:

Because i'm smart and did the math.

5 0
3 years ago
Determining slope and y-intercept
maw [93]

Answer:

The slope is -1

Step-by-step explanation:

Anytime the x-intercept values have 0 in it, the y-intercept value which is below/above the x-values (Which in this case is -1) is the y-intercept.

3 0
2 years ago
The length of a bridge is 1.5 cm.Whet is the actual length of the bridge in meters if the map is drawn at a scale of 1:40000
11111nata11111 [884]

Answer:

800

Step-by-step explanation:

1:5 and 1:40000

40000/5 is 800

Actual length is 800.

Hope this helps :D

8 0
3 years ago
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