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natka813 [3]
3 years ago
12

The graph below shows carters weight each week since he started his diet write an equation for the line of best fit

Mathematics
1 answer:
balandron [24]3 years ago
7 0

Answer:

ŷ = -1.618X + 215.636

191

Step-by-step explanation:

From the graph:

The data below could be obtained to produce the best fit line :

Week, x :

0

1

2

3

4

5

6

7

8

9

10

Weight :

216

214

213

210

210

207

206

202

203

202

200

Using a linear regression calculator. The best fit line obtained is :

ŷ = -1.618X + 215.636 ; which shows decrease in weight has the number of weeks grow.

Carters weight 15 Weeks into his diet :

X = 15

ŷ = -1.618(15) + 215.636

= 191.366

= 191 (nearest whole number)

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Sarah's online bank statement has a current balance of $234.45. Find her error and fix her registry so it will be correct.
Brilliant_brown [7]

Answer:

Step-by-step explanation:

beginning balance 187.22

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*** thats the error right there...she subtracted wrong

birthday money (credit) 75......balance : 173.68 + 75 = 248.68

Lou's lunch spot(debit) 14.23....balance : 248.68 - 14.23 = 234.45

current balance : 234.45

8 0
4 years ago
A car moves at 45 miles per hour. The time and the distance it travels are recorded.
irinina [24]

Answer:

the distance

Step-by-step explanation:

More time care travels, more distance it goes. So distance depends of the time.

4 0
3 years ago
For questions 5-6, find the regression equation that best models the data shown in the table.
navik [9.2K]

Answer:

\large \boxed{\mathbf{y = 2.538e^{0.6699x}}}

Step-by-step explanation:

x 0  1  2  3   4   5   6     7

y 2 6 12 17 36 72 138 275

The points appear to follow an exponential growth curve.

The regression equation is

\large \boxed{\mathbf{y = 2.538e^{0.6699x}}}

The figure below shows the graph of your points and the regression line.

7 0
3 years ago
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6 0
3 years ago
Ooooooooof I need help
snow_lady [41]

Answer:

a) x = -1 and y = -10

Step-by-step explanation:

The first part says find the value of y when the value of x is -3. Then the second part of the question is to find the value of x when the value of y is 2.

so lets solve part a)

y=6x+8\\y=6(-3)+8\\y=-18+8\\y=-10\\\\Now\ when\ y=2\ find\ x\ \\y=6x+8\\2=6x+8\\2-8=6x\\-6=6x\\-6/6=x\\-1=x\\

So answer to part a is x = -1 and y = -10

similarly try the other parts.

6 0
3 years ago
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