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3 years ago

What will be the sum of an integer and its additive inverse

Mathematics

1 answer:

klemol [59]3 years ago

5 1

Answer:

Step-by-step explanation:

4 is an integer

-4is its additive inverse

4+-4=0

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In the accompanying diagram PA is tangent to circle 0 at A if CN=12 and PB=4 what is the length of PA?

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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.

Then as per given,

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Books left after giving 15 of them = x-15

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Selling price of one book = $\$(\dfrac{330}{x-15})$

Profit on each book= $1.50

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

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So, there are 75 books.

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3 years ago

Horizontal asymptote

vodomira [7]

Answer:

H.A.=4

Step-by-step explanation:

If the bottom equation is factored, you get (x+1)(x-4)

If the V.A. is -1 ( gotten by putting [x+1] equal to zero I'm guessing) then the H.A. can be gotten by putting (x-4) equal to zero.

Also, I graphed it.

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3 years ago

What will be the sum of an integer and its additive inverse​

What will be the sum of an integer and its additive inverse