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Elena L [17]
3 years ago
7

Find each product. 1. (5a3b)(2ab) 2.5y(-y2+7y-2) PLEASE HELP!!?!

Mathematics
1 answer:
maks197457 [2]3 years ago
5 0

Answer:

<h2>1).</h2>

(5a3b)(2ab)

Expand

That's

15ab( 2ab )

we have the answer as

<h3>30a²b²</h3>

<h2>2).</h2>

5y(-y² + 7y - 2)

Expand

That's

<h3>- 5y³ + 35y² - 10y</h3>

Hope this helps you

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Answer:

Step-by-step explanation:

We first have to write the equation for the sequence, then finding the first five terms will be easy. Follow the formatting:

a_n=a_1+d(n-1) and we are given enough info to fill in:

a_n=-35+4(n-1) and

a_n=-35+4n-4 and

a_n=-39+4n or in linear format:

a_n=4n-39 where n is the position of the number in the sequence. We already know the first term is -35.

The second term:

a_2=4(2)-39 so

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a_3=4(3)-39 and

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The fifth term then will be -23 + 4 which is -19. You can check yourself by filling in a 5 for n in the equation and solving:

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