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olganol [36]
3 years ago
11

Geologists recorded the duration (in seconds) of over 500 recent eruptions of the Old Faithful geyser in

Mathematics
1 answer:
Gre4nikov [31]3 years ago
5 0

Answer: C (A unimodal histogram, and the dotted line lands at 210)

Step-by-step explanation:

Khan Academy - “The sample size is reasonably large (n = 30 _> 30), so the sampling distribution of x will be approximately normal even though the population isn’t.”

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find a perimeter of a rectangle with a length of 665 feet and width of 421 feet. Draw your model and solve.
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Well the formula for the perimeter of a rectangle is 2w+2l
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3 years ago
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Answer:

5 pirates

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0.25 × 20 = 5

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2 years ago
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D= cost of discount card
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Paul spent $7 dollars on the discount card.

Hope this helped :D.
4 0
3 years ago
Solve the proportion. 2x/5 = 9/15
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x = 3/2

Getting x on one side of the equation:

(2/5)x = 9/15

x = (9/15)(5/2)

x = 9/6

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