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jeyben [28]
4 years ago
5

A scatter plot is shown. Data points are located at 1 and 9, 3 and 5, 5 and 6, 4 and 4, 2 and 7, and 6 and 4. A line of best fit

crosses the y-axis at 10 and passes through the point 6 and 4. How many hours will Sherwin most likely sleep if he consumes 9 cups of coffee? 1, because y = −x + 10 2, because y = −x + 10 9, because y = −x + 10 10, because y = −x + 10
Mathematics
2 answers:
Shkiper50 [21]4 years ago
4 0
First we find the equation of the line.
 We have then:
 The standard equation of the line is:
 y-yo = m (x-xo)
 m = (y2-y1) / (x2-x1)
 A line of best fit crosses the y-axis at 10 and passes through the point 6 and 4
 m = (4-10) / (6-0)
 m = -1
 (xo, yo) = (6, 4)
 The line is:
 y-4 = -1 (x-6)
 y-4 = -x + 6
 y = -x + 10
 Where,
 y: number of hours slept.
 x: number of coffee cups.
 for x = 9
 y = - (9) +10
 y = 1 hour

 Answer:
 if he consume 9 cups of coffee, Sherwin will most likely sleep 1 hour. 
 1, because y = -x + 10
Kruka [31]4 years ago
4 0

Answer:

if he consume 9 cups of coffee, Sherwin will most likely sleep 1 hour.  

1, because y = -x + 10

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Alison is selling and buying baseball cards online. She sells each card for $3.25 and buys each card for $5.50. If she sold 4 ca
Kazeer [188]
Each card she sells cost $3.25.

y = 3.25s

y = 3.25(4) = 13

Each card she buys cost $5.50.

y = 5.25b

y = 5.25(7) = 38.5

She spent 38.5 dollars in total. However, you need to subtract the money she earned by the total cost.

38.5 - 13 = 25.5

She paid 25.5 dollars out of her own pocket, including the money she earned from selling cards she paid 38.5 dollars.

So the answer is "She spent $25.50"

Let me know if it's correct
8 0
4 years ago
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There are 5 sales person and 22 clients if of each client only deals with one sales person and the client are divided as equally
Mariana [72]

Answer:

2 sales person

Step-by-step explanation:

If there are 5 sales person and 22 clients

Therefore:

1 sales Person will be responsible for \frac{22}{5}=4\frac{2}{5} Client.

Therefore: 2 sales person will be responsible for 5 clients since there must be equal distribution.

4 0
4 years ago
Help with the answer <br> z\12=10 what is it and there is no options to this
Verizon [17]
The answer is z=120 because you need to isolate z and to do that you must multiply each side by 12 and you end up with z=120
8 0
4 years ago
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Mandarinka [93]

Answer:

1.75 hours and 2 Hours

Step-by-step explanation:

6 0
4 years ago
Thanks for helping...
slava [35]

Answer:

16

Step-by-step explanation:

Subtracting the given expressions, that is

3b² - 8 - (b(b² + b - 7) ) ← simplify parenthesis

= 3b² - 8 - (b³ + b² - 7b) ← distribute parenthesis by - 1

= 3b² - 8 - b³ - b² + 7b ← collect like terms

= - b³ + 2b² + 7b - 8 ← substitute b = - 3

= - (- 3)³ + 2(- 3)² + 7(- 3) - 8

= - (- 27) + 2(9) - 21 - 8

= 27 + 18 - 21 - 8

= 16

7 0
3 years ago
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