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NeTakaya
3 years ago
8

A sprinter can run 240 feet in 8 seconds. Find the sprinter's unit rate of feet per second.

Mathematics
2 answers:
Ivenika [448]3 years ago
6 0
30 in seconds that is the answer
pshichka [43]3 years ago
6 0

Answer:

unit rate is 30 feet per second

Step-by-step explanation:

A sprinter can run 240 feet in 8 seconds.

we need to find the sprinter's unit rate of feet per second.

to find feet per second , divide feet by the seconds

given : 240 feet  in 8 seconds

\frac{feet}{second} = \frac{240}{8} =30

So unit rate is 30 feet per second

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Step-by-step explanation:

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Is​ f(x) continuous at x equals 4​? Why or why​ not? A. ​No, f(x) is not continuous at x equals 4 because ModifyingBelow lim Wit
soldier1979 [14.2K]

<u>Corrected Question</u>

Is the function given by:

f(x)=\left\{\begin{array}{ccc}\frac{1}{4}x+1 &x\leq 4\\4x-11&x>4\end{array}\right ​

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Answer:

(D) ​Yes, f(x) is continuous at x = 4 because Lim_{x \to 4}f(x)=f(4)

Step-by-step explanation:

Given the function:

f(x)=\left\{\begin{array}{ccc}\frac{1}{4}x+1 &x\leq 4\\4x-11&x>4\end{array}\right

A function to be continuous  at some value c in its domain if the following condition holds:

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At x=4

  • f(4)=\dfrac{1}{4}*4+1=2
  • Lim_{x \to 4}f(x)=2

Therefore: Lim_{x \to 4}f(x)=f(4)=2

By the above, the function satisfies the condition for continuity.

The correct option is D.

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Given that,

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When it touches the ground, h = 0

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