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Burka [1]
2 years ago
13

What is the line of bests fit​

Mathematics
1 answer:
Gelneren [198K]2 years ago
5 0

Answer:

it goes by 8 then 2. because you add 8 than add 2

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What is the difference? StartFraction x Over x squared minus 16 EndFraction minus StartFraction 3 Over x minus 4 EndFraction Sta
katovenus [111]

Answer:

The option "StartFraction negative 2 (x + 6) Over (x + 4) (x minus 4) EndFraction" is correct

That is \frac{-2(x+6)}{(x+4)(x-4)}

Therefore \frac{x}{x^2-16}-\frac{3}{x-4}=\frac{-2(x+6)}{(x+4)(x-4)}

Step-by-step explanation:

Given problem is StartFraction x Over x squared minus 16 EndFraction minus StartFraction 3 Over x minus 4 EndFraction

It can be written as below :

\frac{x}{x^2-16}-\frac{3}{x-4}

To solve the given expression

\frac{x}{x^2-16}-\frac{3}{x-4}

=\frac{x}{x^2-4^2}-\frac{3}{x-4}

=\frac{x}{(x+4)(x-4)}-\frac{3}{x-4}  ( using the property a^2-b^2=(a+b)(a-b) )

=\frac{x-3(x+4)}{(x+4)(x-4)}

=\frac{x-3x-12}{(x+4)(x-4)} ( by using distributive property )

=\frac{-2x-12}{(x+4)(x-4)}

=\frac{-2(x+6)}{(x+4)(x-4)}

\frac{x}{x^2-16}-\frac{3}{x-4}=\frac{-2(x+6)}{(x+4)(x-4)}

Therefore \frac{x}{x^2-16}-\frac{3}{x-4}=\frac{-2(x+6)}{(x+4)(x-4)}

Therefore the option "StartFraction negative 2 (x + 6) Over (x + 4) (x minus 4) EndFraction" is correct

That is \frac{-2(x+6)}{(x+4)(x-4)}

5 0
3 years ago
Read 2 more answers
john started homework at 7:00 pm he finish at 3:00 then he checked double the amount last time how much time did he spend
Scilla [17]
K, so am assuming of th next day

from 7pm to 12 midnight is 5 hours
from 12 midnight so 3am is 3 hours
3+5=8

8 hours total

checked double the amoutn last time
he spent 16 hours last time?
8 0
3 years ago
Plz help i can’t figure it out
Ivan

Answer:

-(x-10)=7

-x+10=7

-x=7-10

-x=-3

x=3

5 0
3 years ago
Read 2 more answers
Write the log equation as an exponential equation. You do not need to solve for x.
Archy [21]
the answer is - 1/4
4 0
3 years ago
A phone costs $50 and goes on sale for 20% off. Select the amount that was discounted as well as the final price after the sale.
Afina-wow [57]

Answer:

40% because every 10$ = 20%

Step-by-step explanation:

6 0
3 years ago
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