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aleksley [76]
3 years ago
13

A driver runs over a nail, puncturing the tire without causing a leak. The position of the nail in the tire, with relation to th

e ground, while the car is moving at a constant speed is shown in the table.
Time (s) Approximate height of the nail off the ground (inches)
0 0
0.01 2.1
0.02 7.6
0.03 14.9
0.04 21.5
0.05 25.5
0.06 25.5
0.07 21.5

Which key features of the function representing the nail’s travel can be used to determine the amount of time it takes for the nail to reach the same orientation it had when it entered the tire?

A. period
B. minimum
C. maximum
D. amplitude
Mathematics
2 answers:
Elina [12.6K]3 years ago
7 0

Answer: period

Step-by-step explanation:

Alex787 [66]3 years ago
4 0

Answer:

The correct option is A.

Step-by-step explanation:

It is given that a driver runs over a nail, puncturing the tire without causing a leak.

Tire of a car represents a periodic function because after a particular time the tire comes its initial stage and that particular time interval is called a period.

It means period is the key feature of the function representing the nail’s travel can be used to determine the amount of time it takes for the nail to reach the same orientation it had when it entered the tire.

Therefore the correct option is A.

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Three students have started a fence-painting business. Working together, Pragnesh and Qazi can paint the fence in 2 hours. Simil
vlada-n [284]

Answer: 55.4 mins

Step-by-step explanation:

pragnesh and qazi = 2hrs

pragnesh and roghui = 3hrs

qazi and roghui = 4hrs

this means for every 1 hour they wold paint.

pragnesh and qazi = \frac{1}{2} half of the fence

pragnesh and roghui = \frac{1}{3}

qazi and roghui = \frac{1}{4} quarter of the fence

time taken when they all work together

= \frac{1}{2} + \frac{1}{3} + \frac{1}{4}

= \frac{13}{12}

= \frac{12}{13}

= 0.9231 × 60(mins)

= 55.4 mins

8 0
3 years ago
A. Write the equivalent fraction for 66% <br>b. Write the equivalent decimal for 89%.​
Schach [20]

Answer:

66/100 (or simplify to 33/50), 0.89

Step-by-step explanation:

7 0
3 years ago
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antiseptic1488 [7]
The correct answer would be A. Hope this helps!
5 0
2 years ago
Factor x^3 – 3x^2 – 4x + 12 completely using long division if (x – 2) is a factor.
GaryK [48]

Answer: B. (x-2) (x+2) (x+3)

   

8 0
3 years ago
HOW CAN YOU DETERMINE THE END BEHAVIOR OF A POLYNOMIAL FUNCTION?
Svetlanka [38]

Answer:

Hi there!

The end behavior of a function f describes the behavior of the graph of the function at the "ends" of the x-axis. In other words, the end behavior of a function describes the trend of the graph if we look to the right end of the x-axis (as x approaches +∞ ) and to the left end of the x-axis

I'm sorry if that is not clear enough!

Best wishes,

         Pandora

Step-by-step explanation:

3 0
3 years ago
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