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Rainbow [258]
3 years ago
12

A dolphin swims 665,280 feet in 3 hours. Use the formula d = rt, where d represents distance, r represents rate, and t represent

s time, to answer the following questions. Show your work.
Part A: Rearrange the distance formula, d = rt, to solve for rate.

Part B: Find the dolphin's rate in feet per hour.

Part C: Find the dolphin's rate in miles per hour.

Part D: Which unit, feet, or miles, makes more sense to use in this scenario, and why?
Mathematics
1 answer:
liraira [26]3 years ago
6 0

Answer:

Answers Below

Step-by-step explanation:

Part A:

r=d/t

Part B:

r=665280/3

r=221760

Part C:

221760/5280 = 42mph

Part D: Miles per Hour, because it is easier to understand

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Which of the following measures cannot be determined from a box plot?
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<h3>3 Answers:</h3>
  • B) Mean
  • C) Mean absolute deviation
  • E) Mode

==========================================================  

Explanation:

The box plot, aka "box-and-whisker plot", visually represents five things. These things are:

  • Minimum
  • Q1 = first quartile
  • Median (sometimes referred to as Q2 or second quartile)
  • Q3 = third quartile
  • Maximum

This list of five items is known as the five number summary.

The min is the tip of the left most whisker, assuming there aren't any small outliers. The max is the opposite side, being the tip of the right most whisker (assuming no large outliers). If there are any outliers, then they'll be shown as "island" dots on their own separated from the main box plot. The left and right edges of the box are Q1 and Q3 respectively. The median is the vertical line inside the box. The vertical line does not have to be at the midpoint of the left and right edges of the box. It simply needs to be somewhere in the box.

--------

Since the box plot lets us know the min and max, we can compute the range because

range = max - min

and we can also calculate the interquartile range (IQR) because

IQR = Q3 - Q1

--------

So to summarize so far, the five number summary is visually represented as the box plot. The range and IQR can be computed using items from the five number summary.

We cannot compute the mean because we would need the actual data set of values, rather than the summary data. The same goes for the mean absolute deviation (MAD) and the mode. Since your teacher is looking for things that cannot be determined from a box plot, we'll go for answers B, C and E.

In other words, we rule out choices A, D, and F because we can compute or determine those values from a box plot.

7 0
3 years ago
There are 10 girls and 8 boys at a party. A cartoonist want to sketch a picture of each boy with each girl. How many sketches ar
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Answer:

80

Step-by-step explanation:

Each boy can be sketched with all of the girls so. 8*10=80

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Answer:

Step-by-step explanation:

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6pi=2×pi×radius

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