3 years ago

1.4 pounds is about how many kilograms

Mathematics

1 answer:

Semenov [28]3 years ago

7 0

Answer:

0.64

Step-by-step explanation:

Divide pounds by by 2.205. There are two significant figures in 1.4 so we answer it with two significant figures.

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3 years ago

It takes a freight train 2.3 seconds to move 26 meters calculate it's average speed.

miss Akunina [59]

The speed of train is 11.304 meters per second.

Further explanation:

Let us define speed first.

"Speed is the rate at which something is moving or changing position"

Speed is denoted by s. The formula for speed is:

$speed = \frac{distance}{time}\\ s = \frac{d}{t}$

Here,

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Putting the values in the formula:

$s = \frac{26}{2.3}\\ s = 11.304\ meter\ per\ second$

The speed of train is 11.304 meters per second.

Keywords: Speed, distance, time

Learn more about speed at:

#LearnwithBrainly

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3 years ago

Convert 40meters to centimeters<br>

Lady bird [3.3K]

Answer:

4000 centimeters

Step-by-step explanation:

40 cm x 100 = 4000 cm

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3 years ago

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How is 0.87 rational

dmitriy555 [2]

A number is rational if it can be put into a fraction of two integers.
Since 0.87 can also be expressed as 87/100, it is rational

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3 years ago

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