PLS HELP I WILL GIVE BRANLIEST

Mathematics

1 answer:

Phantasy [73]3 years ago

5 0

I did the test ma'am

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A 12 sided die is rolled find the probability of rolling a two

Allushta [10]

Answer:

1/12

Step-by-step explanation:

so we know the total you have is a 12 dice cube yes? yes.

there fore you denomanator is the the total of everything-12.

there's only 1 #2 on the 12 sided dice this cause you to get 1/12

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2 years ago

Ms, Garza opened an account with a deposit of $5,000. The account earned annual simple interest. She did not make any additional

vfiekz [6]

Your answer is going to 7.5%

3 0

3 years ago

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:

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