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alexgriva [62]
3 years ago
12

2 3 + x = 3 Can someone pls solve this for me.

Mathematics
1 answer:
gregori [183]3 years ago
6 0

Answer:

x=-20

Step-by-step explanation:

23+x=3

23=3-x

23-3=-x

20=-x

20/-1=-x/-1

-20=x

x=-20

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The data show the number of viewers for television stars with certain salaries. Find the regression​ equation, letting salary be
larisa86 [58]

Answer:

y = 5.064 - 0.010x

Here, in this question x = 33

y = 4.734 million views

In this question data is missing and I filled it out and calculated the questions accordingly. Please refer to the attachment for the data calculated.

Step-by-step explanation:

First of all, this question is incomplete. It lacks the data needed to calculate the required things.

So, I  figured out the question and I will try my best to solve the question at hand.

I have calculated the some data sheet in excel. Please refer to the attachment for that data.

let a be the salaries

b be the viewers

S_{aa} = ∑a^{2}  - \frac{ Summtion  a^{2} }{n}

S_{aa} = 7522.8571

S_{bb} = ∑b^{2}  - \frac{ Summtion  b^{2} }{n}

S_{bb} = 47.1943

S_{ab} = ∑ab^{}  - \frac{ Summtion  a x Summation b^{} }{n}

S_{ab} = -76.8286

Now the slope of the required regression equation is:

Slope =  S_{ab}/S_{aa} = -76.8286/7522.8571 = -0.010

And the intercept of the required regression equation:

intercept = \frac{1}{n} x (∑b - slope x ∑a) = 5.064

So, the regression equation will be:

y = intercept + slope x

y = 5.064 - 0.010x

Here, in this question x = 33

y = 5.064 - 0.010 (33)

y = 4.734 million views

7 0
2 years ago
May I know this answer
Anettt [7]
I think B should be the top one
6 0
3 years ago
Suppose that when your friend was born, your friends parents deposited $2000 in an account paying 5.9% interest. What will the a
irina1246 [14]

Answer:

FV= $4,725.74

Step-by-step explanation:

Giving the following information:

Initial investment (PV)= $2,000

Number of periods (n)= 15 years

Interest rate (i)= 5.9% = 0.059

<u>To calculate the Future Value, we need to use the following formula:</u>

<u></u>

FV= PV*(1 + i)^n

FV= 2,000*(1.059^15)

FV= $4,725.74

3 0
3 years ago
HELP PLS I NEED THIS DONE ASAP
Sholpan [36]

Answer:

a = 4, b = 0

Also, a = 0 and b = 0 :)

8 0
3 years ago
Calculate the simple interest an<br>6000 for 3 years at 12%​
timurjin [86]

Answer:

$2160

Step-by-step explanation:

=PRN

6000×0.12×3

7 0
3 years ago
Read 2 more answers
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