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Komok [63]
3 years ago
10

I need 2 and 4! So please help me thx :)

Mathematics
1 answer:
katen-ka-za [31]3 years ago
8 0
2. final answer 3/4


Multiplying a positive and a negative equals a negative

3 x -1/4

Change

-3 1/4

calculate the product

-3/4 < — final answer

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The two fractions that added together give you a sum of -7/24 are 1/24+-8/24= -7/24
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39 is what percent of 82
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47.5%

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39/82 = .475 = 47.5%

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In 2004, a magazine's circulation was about 1,000,000 readers. In 2014, the magazine had about 2,000,000 readers. Write a linear
Sever21 [200]

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m= \frac{r_2 -r_1}{t_2 -t_1}= \frac{2000000-1000000}{14-4}=100000

And then we can use for example the first point (t_1, r_1) = (4, 1000000) to find the intercept:

1000000= 100000*4 + b

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So then the linear model for this case should be:

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Step-by-step explanation:

For this case we want to find a linear model given by:

r =mt+b

Where r = represent the number of readers , t= years after 2000

m = the slope for the model and b the intercept

For this case we can define the following points from the data given:

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(t_2, r_2) = (14, 2000000) 14 years after 2000

We can find the slope with the following formula:

m= \frac{r_2 -r_1}{t_2 -t_1}= \frac{2000000-1000000}{14-4}=100000

And then we can use for example the first point (t_1, r_1) = (4, 1000000) to find the intercept:

1000000= 100000*4 + b

b=600000

So then the linear model for this case should be:

r = 100000 t + 600000

8 0
3 years ago
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