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ludmilkaskok [199]
3 years ago
10

A baseball analyst wants to determine the average speed of a fastball thrown in the major league this season. He chooses a week

at random. During that week, he will measure the speeds of a sample number of pitches. Which sample below is included in the population that he is interested in and comes closest to being random?
All pitches


All fastballs


All pitches by pitchers whose specialty is throwing fastballs


All fastballs thrown by pitchers whose specialty is throwing fastballs
Mathematics
1 answer:
umka21 [38]3 years ago
8 0

Answer:

he negative real number is -0.70.

Step-by-step explanation:

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maksim [4K]

For this case we have that by definition, the volume of a rectangular prism is given by:

V = A_ {b} * h

Where:

A_ {b}: It is the area of the base

h: It's the height

According to the data we have:

length = 5 \frac {1} {8} = \frac {8 * 5 + 1} {8} = \frac {41} {8}

width = 7 \frac {1} {2} = \frac {2 * 7 + 1} {2} = \frac {15} {2}

Then:

A_ {b} = \frac {41} {8} * \frac {15} {2} = \frac {615} {16}

Thus, the volume is:

V = \frac {615} {16} * 2 = \frac {1230} {16} = 76.875

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Which best explains how you know that P(2, 7) is on the same line as Q(7, 4) and R(12, 1)?
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Answer:

See explanation below

Step-by-step explanation:

The best explanation is noticing that in order to get from the point R (12, 1) to the point Q (7, 4) we move 5 units to the left and 3 units up. And to go from point Q (7, 4) to point P (2, 7) we do exactly the same: move 5 units to the left and 3 units up. That means that these points are all connected via the same rate of change:  - 3/5, which is in fact the slope of the line the three points belong to.

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Step-by-step explanation:

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