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Allushta [10]
3 years ago
6

Brian visited a mountain park with trails for hiking, mountain biking, horseback riding, and cross-country skiing. The chart sho

ws the time Brian spent doing each activity. A 2-column table with 4 rows titled Brian's Activity time (hours). Column 1 has entries hiking, mountain biking, horseback riding, cross-country skiing. Column 2 has entries 3, 1.45, 1.2, 0.75. Brian biked the yellow trail loop that circles the park. He rode at an average speed of 12.2 miles per hour. How many miles did Brian bike? 12.2 × 1.45 610 4880 +_(___)_ Brian biked a distance of miles.
Mathematics
2 answers:
marysya [2.9K]3 years ago
9 0

Answer:

17.690

Step-by-step explanation:

Trust me I got it right :)

padilas [110]3 years ago
7 0

Answer: 17.69 miles

Step-by-step explanation:

Activity time (hours) :

Activity - - - - - - - - - - - - - time (hours)

Hiking - - - - - - - - - - - - - - - - - - - - 3

Mountain biking - - - - - - - - - - - 1.45

Horseback riding - - - - - - - - - - 1.2

Cross-country skiing - - - - - - - - 0.75

Average speed = 12.2 miles per hour.

How many miles did Brian bike?

Recall;

Speed = distance ÷ time

Distance = speed × time

Speed = 12.2 mi/hr

biking time = 1.45 hours

Distance (mountain biking) = 12.2 × 1.45 = 17.69 miles

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Gnesinka [82]

Answer:

a range of values such that the probability is C % that a rndomly selected data value is in that range

Step-by-step explanation:

complete question is:

Select the proper interpretation of a confidence interval for a mean at a confidence level of C % .

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4 0
3 years ago
Any time Speedy the Sloth is not sleeping, she drinks chamomile tea at a steady rate of 2/7 of a cup per hour. Yesterday, she dr
Nitella [24]

<u><em>Answer:</em></u>

She stayed awake for 295 minutes today

<u><em>Explanation:</em></u>

<u>We are given that:</u>

Yesterday, she drank one cup

Today, she drank \frac{17}{42} of a cup more than yesterday

<u>This means that:</u>

Number of cups she drank today = 1+\frac{17}{42}=1\frac{17}{42}cups

Now, we know that she drinks \frac{2}{7} of a cup per hour any time she is not sleeping

We use cross multiplication to get the time she took to drink 1\frac{17}{42} cups

1 hour ...........................> \frac{2}{7} of a cup

?? hours ......................> 1\frac{17}{42} cups

Time taken = \frac{1\frac{17}{42}*1 }{\frac{2}{7} } = \frac{59}{12} = 4\frac{11}{12} hours

This means that she was awake for 4\frac{11}{12} hours

<u>Finally, we convert this to minutes:</u>

Knowing that 1 hour has 60 minutes, therefore:

She stayed awake for 4\frac{11}{12} * 60 = 295 minutes

Hope this helps :)

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3 years ago
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Elanso [62]
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Then find the median:

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Now find the medians of those sets

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3 years ago
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take ur last 2 equations, and add them
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3 years ago
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sergeinik [125]

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Step-by-step explanation:

Khan Academy! Hope this helps

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