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sattari [20]
3 years ago
11

PLS HELP 50 POINTS!!! function or no function? Pls don't spam I really need help.

Mathematics
2 answers:
Whitepunk [10]3 years ago
5 0

Answer:

function

Step-by-step explanation:

Makovka662 [10]3 years ago
5 0

Answer:

1. function 2. not function

Step-by-step explanation:

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3 years ago
How to simplify this expression ?
Musya8 [376]

Answer:

\large \boxed{\sf \ \ \dfrac{1}{x^2}+\dfrac{1}{x^2+x}=\dfrac{2x+1}{x^2(x+1)} \ \ }

Step-by-step explanation:

Hello,

This is the same method as computing for instance:

\dfrac{1}{2}+\dfrac{1}{3}=\dfrac{3+2}{2*3}=\dfrac{5}{6}

We need to find the same denominator.

Let's do it !

For any x real different from 0, we can write:

\dfrac{1}{x^2}+\dfrac{1}{x^2+x}=\dfrac{1}{x^2}+\dfrac{1}{x(x+1)}\\\\=\dfrac{x+1+x}{x^2(x+1)}=\dfrac{2x+1}{x^2(x+1)}

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

7 0
3 years ago
2. Mr. Walters starts preparing breakfast at
alexdok [17]
Answer: 55 minutes

Explanation:

Round 6:45 to 6:50.
From 6:50 it takes 1 hour/60 minutes to become 7:50.
Then subtract the 5 minutes we added when we rounded up to 6:50.
60-5=55 minutes
8 0
2 years ago
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2.39 feet is the answer
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