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GaryK [48]
3 years ago
5

100p and brainliest for an answer please

Mathematics
1 answer:
koban [17]3 years ago
6 0
Answer is the first, second and the fourth one.. replace a number with variable, two operation are multiplication and addition, then the expression is written as 4n+7...
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HURRY! Which expression represents the difference quotient of the function f(x) = 13-5x/4 for all nonzero values of h?
Igoryamba

13-5x/4

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Answer is
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4 years ago
Can you please explain how to do this and give me the answer so next time I know how to do it. Square root with -15 in it and sq
Drupady [299]

Answer:

15i and 4i

Step-by-step explanation:

i is an imaginary number also shown as\sqrt{-1} .  

Since we have \sqrt{-15}, thats 15*\sqrt{-1} .  Substitute \sqrt{-1} for i and we get 15*i or 15i.

We do the same for \sqrt{-4}.  This is 4*\sqrt{-1} or 4*i or 4i.

An easy way to do this is to take the negative inside the square root like \sqrt{-6} , take the absolute value -6 absolute value=6 and times it by i.  So now it becomes 6i

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4 years ago
A piece of printer paper is 8 1?2 inches by 11 inches. What is the area of the piece of paper?
Fudgin [204]

Answer:

The area is 22

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