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3 years ago

Look at this triangle. 8 cm 22 cm Work out length AB.

Mathematics

2 answers:

RoseWind [281]3 years ago

8 0

Answer:

18cm

Step-by-step explanation:

......................

Dmitry_Shevchenko [17]3 years ago

7 0

Would the answer be 176? I’m not sure but i’m curious

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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

Can someone help me with this? I don’t understand it.

horrorfan [7]

Answer:

x+y=z

4+9=13

Step-by-step explanation:

x=4

2(4)+1=y=9

4+9=13

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3 years ago

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Ronch [10]

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Step-by-step explanation:

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3 years ago

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LiRa [457]

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3 years ago

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Write a literal corresponding to the floating point value one-and-a-half.

kotykmax [81]

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3 years ago