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nasty-shy [4]
2 years ago
6

a vehicle travels on a highway at a rate ot 65 m/h how long does it take for the vehicle to travel 25 miles, with explanation pl

ease
Mathematics
1 answer:
vagabundo [1.1K]2 years ago
8 0

It Will tale 2.6 hour.

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A bicycle tire has a radius of 13.25 inches. How far will the bicycle travel in 40 rotations of the tire?
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Answer:

the crazy part is that 69 points with the bike

Step-by-step explanation:

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3 years ago
PLEASE ANSWER -( 1 - 6n )
Slav-nsk [51]

Answer:

6n-1

Step-by-step explanation:

Re-arrange
-(1 - 6n)
-(-6n + 1)

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-(-6n -1)
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50 out of 100 flowers are red. What percentage of the flowers are red
GuDViN [60]

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Step-by-step explanation:

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7 0
2 years ago
A sample of 15 commuters in Chicago showed the average of the commuting times was 33.2 minutes. If s = 8.3 minutes, find the 95%
OleMash [197]

Answer:

The 95% confidence interval of the true mean.

(29.4261 ,36.9739)

Step-by-step explanation:

<u>Step :- (i)</u>

Given sample size 'n' =15

sample of the mean x⁻ = 33.2

The standard deviation of the sample 'S' = 8.3

<u>95% of confidence intervals</u>

<u></u>(x^{-} - t_{\alpha } \frac{S}{\sqrt{n} } ,x^{-} + t_{\alpha }\frac{S}{\sqrt{n} } )<u></u>

<u>Step:-(ii)</u>

<u>The degrees of freedom γ=n-1 = 15-1=14</u>

The tabulated value t = 1.761 at 0.05 level of significance.

now substitute all possible values, we get

(33.2 - 1.761\frac{8.3}{\sqrt{15} } ,33.2+ 1.761\frac{8}{\sqrt{15} } )

After calculation , we get

(33.2-3.7739 , 33.2+3.7739

(29.4261 ,36.9739)

<u>Conclusion</u>:-

the 95% confidence interval of the true mean.

(29.4261 ,36.9739)

8 0
3 years ago
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