an online article suggested for each additional person who took up regular running for exercise the number of cigarette smoke daily woo decrease by 0.178 if we assume that 45 minute cigarettes will be smoked per day if nobody ran what is the equation of regression line for predicting number cigarette smoke per day in the number of people who regularly run for exercise

Answers

Answer 1

The linear function that models the situation is given by:

[tex]y = 45 - 0.178x[/tex]

The format of a linear function is:

[tex]y = mx + b[/tex]

In which:

m is the slope, which is the rate of change.b is the y-intercept, which is the initial value.

If nobody ran, 45 cigarettes would be smoked, thus the initial value is of [tex]b = 45[/tex].For each additional person that exercises, the amount decays by 0.178, thus the slope is [tex]m = 0.178[/tex].

The equation that models this situation is:

[tex]y = 45 - 0.178x[/tex]

A similar problem is given at https://brainly.com/question/16302622


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Both table A and Table B below represent linear relationships.



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Both Table A and Table B represent proportional relationships.

Table A represents a proportional relationship but Table B does not.

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Table B represents a proportional relationship but Table A does not.

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Answer:

Both represent a proportional relationship

Step-by-step explanation:

This is because when the independent variable in each table increases, the dependent variable increases as well, making the relationship proportional.

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Answer:

Radius: R = 12 in

Diameter: D = 24 in

Circumference: C = 75.4in

Area: A = 452.39 in²

Step-by-step explanation:

Solutions:

Diameter d= 2r

D = 2 × 12

D = 24

Circumference

C = 2πr

C = 2 × π × 12

C = 24π

C = 75.3982237

Area:

A = πr²

A = π × 12²

A = 144π

A = 452.389342

Need help ASAP ..... Which of the following pairs best describes a transformation of Figure 1 into Figure 2 followed by a transformation of Figure 2 into Figure 3 ?

Answers

Answer:

reflection reflection

Step-by-step explanation:

rotation doesn't make sense and there is no indication of a center of rotation.

so the obvious answer is reflection reflection

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Which of the following values in the set below will make the equation 5x + 6 = 6 true? (Only input the number.)
{0, 1,2,3,4}
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Answer:

0

Step-by-step explanation:

0

Help!!! Algebra 2
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Answers

Answer

d

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Nicole is buying two posters. One poster costs $7.04 and the second costs $12.45. How much more does the second cost than the first?
A. $5.95
B. $0.54
C. $5.41
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The answer is C! All you have to do is subtract the numbers! :) (Also, could I get brainliest?)

Find the surface area of the cylinder to the nearest tenth of a square unit,
4 cm
12.4 cm

Answers

Answer:

The answer is 412.2 cubic centimeters

Step-by-step explanation:

412.2

help please ! i need this asap

Answers

Answer:

x = 65° + 60° = 125°

HELPPP
I HATE LINKS

Answers

Pretty sure it´s 12.25

61.25 /5=12.5

you can check this by doing 12.5 x 5 ; 15 or 30 and you´ll get the same product in monthly earned

Samantha jogs 3 miles in 45 minutes.

How many miles can she jog in 1 hour?

Answers

Answer:

4 miles in 1 hour.

Step-by-step explanation:

1 hour = 60 mins

Ratios:

[tex]\frac{3}{45} =\frac{x}{60} \\\\45x=180\\x=4[/tex]

Answer:

4 miles

Step-by-step explanation:

45/3=15 she runs 1 mile in 15 mins so in 1 hour she can jog 60/15=4 miles

Evaluate m+n for m=5 and n=10

Answers

Answer:

15

Step-by-step explanation:

5 + 10 = 15

-x + 6 = 15, x = _________ what does x equal

Answers

Answer:

15-6

Step-by-step explanation:

if it helps don't forget to like and mark me

x=-9

Hope this helps :T

3.2.5
Find a so that the point (-1,4) is on the graph of f(x) = ax^2+1

Answers

9514 1404 393

Answer:

  a = 3

Step-by-step explanation:

Evaluating the given function at the point, we have ...

  f(-1) = a(-1)^2 +1 = 4

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The value of 'a' is 3.

(i) sin²θ + cos²θ =
(ii) 1 + tan²θ =
(iii) 1 + cot² θ =
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Answers

Answer:

(i) sin²θ + cos²θ = 1

(ii) 1 + tan²θ = sec²θ

(iii) 1 + cot²θ = cosec²θ

(iv) Sin 2θ = 2 Sinθ cosθ

-TheUnknownScientist

Step-by-step explanation:

(1) = 1

(2) = sec²θ

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PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

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Answer:

maybe the second?

Step-by-step explanation:

Alyson worked at a clothing store for the summer. She started in June and her pay increased by 10% each month. Alyson earned $2,904 in August. How much did she earn in June?

Answers

Answer:

i THINK anyson earned 1742.4 a month in June but I’m a middle schooler so

Step-by-step explanation:

The internet

What is the value of x in the triangle?

I need help pls :)

Answers

Answer:

17

Step-by-step explanation:

using Pythagorus theroem, you do (√514)² - 15².

This gives you 289 which you then need to square root, giving you 17

The answer your looking for is B explanation : hope this helps :)

Find the area of a sector, whose perimeter is 40 cm, and the radius is 8 cm.

Answers

Answer:

96 cm²

Step-by-step explanation:

From the question,

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Where s = Perimeter of a sector, r = radius, ∅ = angle subtend by the sector at the center of the circle.

Given: s = 40 cm, r = 8 cm

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Name the song that goes with these lyrics
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Answer: first one is “I’ll be fine

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... If g(x)= x^2 + 3x, what is the value of g(-3).
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(4) 21

Answers

Answer:

g(-3) = 0

Step-by-step explanation:

hello :

g(-3) = (-3)² + 3(-3) = 9-9 =0

PLEASE ITS DUE TONIGHT. All help is really appreciated.

Answers

Answer:

21) 18

22) 9

Step-by-step explanation:

21) (4+8)/2*3 = 18

22) (8+10)/2 = 9

Please help
Me ??!!! I need help
Please

Answers

Answer:

r=-45

Explanation:

r/5=-9

5xr/5=5(-9)

5x r/5=5(-9)

r=5(-9)

r=5(-9)

r=-45

PLEASE HELP AGAIN. IM TIMED

Answers

Answer:

B, 3 8/9

Step-by-step explanation:

It all comes down to equivalent fractions.

2 1/3 as an improper fraction is 7/3.

1 5/9 as an improper fraction is 14/9. 1/3 = 3/9.

With that being said 7 x 3 = 21 resulting in 21/9.

14/9 + 21/9 = 35/9.

35/9 as a mixed fraction is 3 8/9.


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Answer:

srry can't help with out the picture, but I would think that if it wasn't the for sure amount that it wouldn't work

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answer:'+' also means 'add'

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Answers

A little over 2 1/4 or 2.27.

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14 is what percentage of 100?

Answers

Answer:

14%

Step-by-step explanation:

Answer:

14%

Step-by-step explanation:

It is like subtraction, if you do 14 - 100 you get 86 so you took away 14 from 100 so you would get 14%

WORTH A LOT OF POINTS. WILL GIVE BRAINLEIST THINGY TO WHOEVER SOLVES IT!​

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Answer:

the area of the small square 4c

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Step-by-step explanation:

Answer:

Step-by-step explanation:

giving brainliest !!! *easy*

Answers

Answer: 600 sq cm

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Hope this helps!

Answer:

SA = 600

Step-by-step explanation:

A cube has six sides.

The formula to find the SA of a cube is 6a^2

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Help ASAP plzzzzzzzzzz

Answers

Answer:

what do u need help with

Step-by-step explanation:

there's no picture

Help with what u funny
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