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Firdavs [7]
3 years ago
7

Think about how to use the interactive tool to form an expression equivalent to -x + (-3x) + 12 -9.

Mathematics
2 answers:
irga5000 [103]3 years ago
5 0

Answer:

x= 3/4 or .75

Step-by-step explanation:

Add -x and -3x and get -4x

Subtract the 9 from 12 and get 3

Set -4x=-3

-4x/-4=-3/-4

x=3/4

Gnom [1K]3 years ago
3 0

an equivalent expression is...

-4x+3

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HELP ASAP! The number of entertainment websites in 1995 wass 54. By 2004 there were 793 entertainment website..
AleksandrR [38]
<h3>Answer: Choice A. 82 websites per year</h3>

=============================================================

How I got that answer:

We have gone from 54 websites to 793 websites. This is a change of 793-54 = 739 new websites. This is over a timespan of 2004-1995 = 9 years.

Since we have 739 new websites over the course of 9 years, this means the rate of change is 739/9 = 82.1111... where the '1's go on forever. Rounding to the nearest whole number gets us roughly 82 websites a year.

----------

You could use the slope formula to get the job done. This is because the slope represents the rise over run

slope = rise/run

The rise is how much the number of websites have gone up or down. The run is the amount of time that has passed by. So slope = rise/run = 739/9 = 82.111...

In a more written out way, the steps would be

slope = rise/run

slope = (y2-y1)/(x2-x1)

slope = (793 - 54)/(2004 - 1995)

slope = 739/9

slope = 82.111....

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Answer:

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Step-by-step explanation:

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