Can you please answer these questions for me that would be a great help thank you

Mathematics

2 answers:

ICE Princess25 [194]3 years ago

7 0

Only know #4. 98 cubic meters.

Aleks [24]3 years ago

3 0

3. He can divide 231 by 12 or he can see which number he can multiply by 12 to get 231.

4. 98 cubic meters

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4th term of (4x-y)^9

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Now, let's do the same as we did for the previous one here.

$\bf (4x-y)^9\implies 
\begin{array}{llll}
term&coefficient&value\\
-----&-----&-----\\
1&+1&(4x)^9(-y)^0\\
2&+9&(4x)^8(-y)^1\\
3&+36&(4x)^7(-y)^2\\
4&+84&(4x)^6(-y)^3
\end{array}$

notice again, how did we get 84 for the 4th element's coefficient? well 36 * 7 / 3. and so on. And you can just expand it from there.

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<h3>Answer: E) x^5</h3>

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