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Stolb23 [73]
3 years ago
9

Hi i need help asap plzzzzzzz

Mathematics
2 answers:
uysha [10]3 years ago
6 0

Answer:?

Step-by-step explanation:

Rainbow [258]3 years ago
3 0

Answer:

I hope you will be help by this

Step-by-step explanation:

I can see that you real need help but you will be given help when you state the particular place that the help is needed.

Every need help in one way or the other but you must explain where you need the help on.

You can not go to the doctor telling help you aren't feeling fine without telling where you are having pain.

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To investigate the relationship between amount of sales y (in thousands of dollars) and the amount x (in hundreds of dollars) sp
riadik2000 [5.3K]

Answer:

(A) For each additional hundred dollars spent on advertising, sales are predicted to increase by $2,380.

Step-by-step explanation:

Regression isa statistical equation, denoting relationship between independent (causal) variable(s) & dependent (effected) variable.

y = a <u>+</u> bx

where y = dependent variable, x = dependent variable, a (intercept) = autonomous value of y, b (slope) = change in y due to change in x

Regression equation of independent variable (x) as advertising expenditure & dependent variable (y) sales : y = 24.45 + 2.38x

Sales are in thousands of dollars, advertising expenditure is in hundreds of dollars. So, the interpretations are :

  • Intercept interpretation : When there is zero advertising expenditure, sales are 24.45 thousands i.e $24450
  • Slope Interpretation :<u> When advertisement expenditure change (rise) by 1 hundred, sales change (rise) by 2.38 thousand i.e</u><u> </u><u>$2380</u>
7 0
3 years ago
Please help I need this done quickly with the work
myrzilka [38]

Answer:

8x - 7.

Step-by-step explanation:

f(x) = 2x - 5,

g(x) = 4x -1,

substituting g(x) as x in f(x),

f(g(x)) = 2(4x - 1) - 5

= 8x - 7

4 0
3 years ago
What is the answer to 1/7 times by 6
harina [27]

Answer:

6/7

Step-by-step explanation:

multiply the 1 by 6 and put that over 7

8 0
3 years ago
Let a,b,c ∈ Z. Define the highest common factor hcf(a,b,c) to be the largest positive integer that divides a,b and c. Prove that
kakasveta [241]

21 they have too be right next to each other and threy have too be right

8 0
3 years ago
The center of a circle is located at (1, 3) , the point lies on (0, 1) what is the equation for the circle?
lesya692 [45]

Answer: (x-1)^2 + (y-3)^2 = 5

Step-by-step explanation:

8 0
3 years ago
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