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3 years ago

A tractor-trailer travels 205.296 miles in 3.12 hours. What is the speed at which the tractor-trailer is traveling?

Mathematics

2 answers:

taurus [48]3 years ago

6 0

Speed=distance/time
distance=205.296
time=3.12

speed=205.296/3.12=65.8

answer is 65.8 miles per hour

Natasha2012 [34]3 years ago

4 0

Answer:

65.8 miles per hour t is the speed at which the tractor-trailer is traveling

Step-by-step explanation:

Using the speed formula:

$\text{Speed} = \frac{\text{Distance}}{\text{Time}}$

As per the statement:

A tractor-trailer travels 205.296 miles in 3.12 hours.

⇒Distance = 205.296 miles and Time = 3.12 hours

Substitute in above formula we have;

$\text{Speed} = \frac{205.296}{3.12}$

Simplify:

Speed = 65.8 miles per hour

Therefore, 65.8 miles per hour t is the speed at which the tractor-trailer is traveling

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Complete question :

The 100m dah times in the girl's track meet were normally distributed with a mean of 13 seconds and a standard deviation of 0.3 seconds.

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Answer:

21 runners

Step-by-step explanation:

Mean, μ = 13 seconds

Standard deviation, σ = 0.3

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We find the proportion of runners who had race time above 13.2 ;

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Answer:

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Step-by-step explanation:

If a polynomial has degree n and $c_1,c_2,...,c_n$ are zeroes of the polynomial, then the polynomial is defined as

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