1 year ago

The table shown below lists the time, in days, that it takes for

Mathematics

1 answer:

Crazy boy [7]1 year ago

5 0

Answer:gotchu g there it is

Step-by-step explanation:

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Calculate the velocity of a moving train with a mass 10,000kg and 150,000J of energy.

Viefleur [7K]

Kinetic energy possessed by moving train is $E_k = 150000J$ .

And mass $m = 10000kg$ .

The formula for kinetic energy is $E_k = \frac{m\times v^2}{2}$ .

Solve for velocity:

$E_k = \frac{m\times v^2}{2}\implies 2E_k = m\times v^2$

$v^2=\frac{2E_k}{m}\implies \underline{v = \sqrt{\frac{2E_k}{m}}}$

Now put in the data:

$v = \sqrt{\frac{2\times150000J}{10000kg}}\approx5.48\frac{m}{s}$

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3 years ago

Which values are in the solution set of the compound inequality: 4(x+3)≤0 or 14x+1>3

ludmilkaskok [199]

Answer: 69

Step-by-step explanation: The hypotenuse of the atom and it’s vastly large core equals the square root of 420 divides by 5.4 which equals 69.

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3 years ago

If a bill cost $125. And they leave a $21.25 for a tip what percentage did they tip

yanalaym [24]

Answer:

17%

Step-by-step explanation:

Divide $21.25 by $125

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3 years ago

Is (

Doss [256]

Answer:

Step-by-step explanation:

2 = 3 + 1

2=4

by knowing the first equation is not equal, we can already infer that the answer is no

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2 years ago

4 divided by 1/8 = <br> Please I’m taking math inventory lol

Angelina_Jolie [31]

Your answer is 32! 4 divided by 1/8 is 32.

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2 years ago