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2 years ago

I don’t get this please help me.

Mathematics

1 answer:

ziro4ka [17]2 years ago

4 0

Answer: Your answer is 231

Step-by-step explanation:

The answer is 231 because you need to multiply 7 by 6 first to get 42 and then multiply 42 by 11 to get 462. Lastly divide 462 divided by 2 to get 231 because the triangle is 1/2 the position and it's side lengths.

Therefore your answer is 231. I hope you do well on whatever test is coming up for you. (❁´◡`❁) (✿◡‿◡)

Yw and pls mark me brainiest

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We have three coins: one with heads on both faces, the second with tails on both faces, and the third a regular one. We choose o

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Probability: $\frac{1}{2}$ = 0.5 = 50%

Step-by-step explanation:

Based on the question one coin is chosen at random and tossed. That coin then lands and is heads. Since the coin landed on heads we can <u>eliminate the possibility</u> of the coin that was chosen being the coin with double tails.

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2 years ago

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3 years ago

Prove Euler's identity using Euler's formula.<br> e^ix = cos x + i sin x

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First list all the terms out.

e^ix = 1 + ix/1! + (ix)^2/2! + (ix)^3/3! ...

Then, we can expand them.

e^ix = 1 + ix/1! + i^2x^2/2! + i^3x^3/3!...

Then, we can use the rules of raising i to a power.

e^ix = 1 + ix - x^2/2! - ix^3/3!...

Then, we can sort all the real and imaginary terms.

e^ix = (1 - x^2/2!...) + i(x - x^3/3!...)

We can simplify this.

e^ix = cos x + i sin x

This is Euler's Formula.

What happens if we put in pi?

x = pi

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That is Euler's identity.

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3 years ago