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bonufazy [111]
3 years ago
7

5y+30 5 complete the factoring ...?

Mathematics
1 answer:
krek1111 [17]3 years ago
8 0
Well, I don't really understand if it is 30 or 305 because of the spacing but I'll answer both. If it is 5y+305, just divide the whole equation by 5 and it will look like this (<u>5y+305)</u>  then the factor would be 5(y+61)<u>
</u>                   5 
If it is 5y+30 it would be just in the same process, Divide the equation by 5 and the result will be 5(y+6).
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From a board 8 feet in length, emmet cut two 2 1/3 foot bookshelves. how much of the board remained?
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3 years ago
Marco purchased a large box of comic books for $300. He gave 15 of the comic books to his brother and then sold the rest on an i
Yuri [45]

Answer: There are 75 books.

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Step-by-step explanation:

Let x = Number of books in the box.

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\Rightarrow 1.50=\dfrac{330}{x-15}-\dfrac{300}{x}\\\\\Rightarrow\ 1.50=\dfrac{330(x)-300(x-15)}{x(x-15)}\\\\\Rightarrow\ 1.50=\dfrac{330x-300x+4500}{x^2-15x}\\\\\Rightarrow\ 1.50(x^2-15x)=30x+4500\\\\\Rightarrow\ 1.50x^2-22.5x=30x+4500\\\\\Rightarrow\ 1.50x^2-52.5x-4500=0\\\\\Rightarrow\ 1.50x^2-52.5x-4500=0\\\\\Rightarrow\ x^2-25x-3000=0\ \ [\text{divide by 1.5}]

\Rightarrow (x+40)(x-75)=0\\\\\Rightarrow\ x=-40,75

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5 0
3 years ago
Jake has five cats and then he finds ten more cats how many does jake have after he loses 11 cats
AleksandrR [38]

jake has 5 cats

then he finds 10 cats

jake now has 5+10 = 15 cats

now he loses 11 cats

15 -11 =4

jake now has 4 cats

8 0
4 years ago
Read 2 more answers
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