3 years ago

By visual inspection, determine the best-fitting regression model for the

Mathematics

1 answer:

zhuklara [117]3 years ago

8 0

Answer:

The answer is Linear

Step-by-step explanation:

I always guyed myself as a happy face. If it is happy it is linear. :)

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Tim has completed five math problems and 13 minutes if he continues at the same rate how long will it take him to finish 20 prob

Likurg_2 [28]

Answer:

52 minutes

Step-by-step explanation:

it takes him 13 minutes to complete 5 so if he wants to do 20 problems do 20 divided by 5 (4) then do 13 times 4=52

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3 years ago

The values in the table represent a linear function. What is the common difference of the associated arithmetic sequence

Helga [31]

Answer: 17

21-4=17

4+17=21
21+17=38 and so on..

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3 years ago

4.80952380952 in fraction form

vladimir2022 [97]

Answer:

77/16

Step-by-step explanation:

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2 years ago

Write an equation of the graph:

katrin [286]

1. To translate to the left, add to x.
The equation is: y = |x + 2|

2. To translate down, add to y.
The equation is: y + 2 = |x| OR y = |x| - 2 (subtract 2 from each side)

Hope this helps!

5 0

3 years ago

An engineer is going to redesign an ejection seat for an airplane. the seat was designed for pilots weighing between 130lb and 1

Vlad [161]

Answer: 0.4758

Step-by-step explanation:

Given : Mean : $\mu=137\text{ lb}$

Standard deviation : $\sigma =28.9\text{ lb}$

Also, the new population of pilots has normally distributed .

The formula to calculate the z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x=130 lb .

$z=\dfrac{130-137}{28.9}=-0.2422145\approx-0.24$

For x=171lb.

$z=\dfrac{171-137}{28.9}=1.1764705\approx1.18$

The p-value = $P(-0.24$

$=0.8809999-0.4051651=0.4758348\approx0.4758348\approx0.4758$

Hence, the required probability : 0.4758

6 0

3 years ago