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3 years ago

A bag contains 8 pieces of paper, each with one of these letters written on it: A, B, C, E, K, L, M, and R. One piece of

Mathematics

1 answer:

Delvig [45]3 years ago

6 0

Answer:

Below.

Step-by-step explanation:

Letter P is drawn - Impossible because there is no paper with P on it.

Letter drawn is a consonant - Likely because there are 6 out of 8 letters which are consonants.

Letter drawn is a vowel - Unlikely because there are only 2 vowels out of 8 letters.

Letter drawn is one of the first ten letters in the alphabet - Equally likely as there is 4 of these out of a total of 8.

Letter is L - Unlikely as there is only 1 piece of paper with L on it.

The paper draw has one letter on it - Certain as there is a letter on all the pieces of paper.

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Answer:

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Step-by-step explanation:

Given that

Vector a , a= 4 i + 5 j + 0 k

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$V=\begin{vmatrix}i & j & k\\ 4 & 5 & 0\\ 0& 1 &-3 \end{vmatrix}\\V=i(-15-0)-j(-12-0)+k(4-0)\\V=-15i+12j+4k$

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$V=+ \dfrac{-15i+12j+4k}{\sqrt{385}}$

Second vector

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