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Ksivusya [100]
3 years ago
11

Polynomial and rational functions can be used to model a wide variety of phenomena of science, technology, and everyday life. Ch

oose one of these sectors and give an example of a polynomial or rational function modeling a situation in that sector.
Mathematics
1 answer:
Shalnov [3]3 years ago
8 0

Answer:

  L = s^2/(30.25Cd)

Step-by-step explanation:

In accident investigation, the speed of a vehicle can be estimated using a polynomial function that relates speed (s) to the length of skid marks (L). The drag coefficient Cd will depend on the condition of the road surface and tires, but might be expected to be between 0.7 and 0.8.

If the skid marks end in a collision, the length of the marks that might have been made can be estimated using this formula, then that length added to the actual length of marks to estimate the original speed. The speed at the point of collision can be estimated by the damage caused, and/or the movement created.

In the above formula, length is in feet, and speed is in miles per hour.

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The graph shows the number of hours per day spent on social media by a group of teenagers and the number of hours per day spent
umka21 [38]

Answer:

0.9 hours

0

the nature of line is pure liner

Step-by-step explanation:

The attached graph is the drawn graph of given data

i) A teenager would spend exercising in one day if they spent 0.25 hours on social media.

0.9 hours

According to the graph if you locate the 0.25 hour on x-axis and draw perpendicular the will intersect the line on the value of y-axis is = 0.9 hours

ii) if they spent 1.38 hours on social media the corresponding value of exercising per day is approx  0

iii)   Yes it has the best fit value of corresponding values between two.  which is also reasonable in the all cases.  the nature of line is pure liner.

3 0
4 years ago
What is the measure of
AleksandrR [38]

Answer:

<Ber=<kem(vertically opposite angle)

9x-17=3x+31

9x-3x=31+17

6x=48

x=48/6=8

<kem=3×8+31=55°is answer

3 0
3 years ago
1.Morgan drives 24 miles due north, then drives 7 miles due east from home to work. What is the distance between Morgan’s home a
Naily [24]

Answer:

1) 25 miles

2) 20 m

Step-by-step explanation:

Number 1 is going to be

a^{2} + b^{2}  = c^{2} because it's a right triangle

So

24^{2} + 7^{2} = c^{2}

625 = c^{2}

c = 25 mile

Number 2 uses the same process, but changing to using C instead of A

a^2 = c^2 - b^2

a^2 = 625 - 225

a = \sqrt(400)

a = 20m

6 0
3 years ago
One out of every 25 workers at Dean Shipyard filed for Workers' Compensation this year. What percent of the workers filed for Wo
Len [333]
4% of workers filed for Workers' Compensation because 1/25 is equal to 4%.
6 0
3 years ago
Read 2 more answers
The median weight for a 5 foot tall male to enlist in the US Army is 114.5 lbs. This weight can vary by 17.5 lbs. Write and solv
myrzilka [38]

An absolute value inequality that represents the weight of a 5-foot male who would not meet the minimum or maximum weight requirement allowed to enlist in the Army is 97 lbs < x < 132 lbs.

<h3>What are inequalities?</h3>

Inequalities help us to compare two unequal expressions. Also, it helps us to compare the non-equal expressions so that an equation can be formed.

It is mostly denoted by the symbol <, >, ≤, and ≥.

The median weight for a 5 foot tall male to enlist in the US Army is 114.5 lbs. This weight can vary by 17.5 lbs. Therefore, the inequality can be written as,

(114.5 - 17.5) lbs < x < (114.5 + 17.5) lbs

97 lbs < x < 132 lbs

Hence, an absolute value inequality that represents the weight of a 5-foot male who would not meet the minimum or maximum weight requirement allowed to enlist in the Army is 97 lbs < x < 132 lbs.

Learn more about Inequality:

brainly.com/question/19491153

#SPJ1

4 0
2 years ago
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