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DochEvi [55]
3 years ago
12

The math club surveyed 100 students about the number of math courses in which they were enrolled and the weight of their backpac

ks. Classify the random variables from the survey.
Number of math courses, discrete; weight of backpack, discrete
Number of math courses, discrete; weight of backpack, continuous
Number of math courses, continuous; weight of backpack, discrete
Number of math courses, continuous; weight of backpack, continuous
Unable to determine from information given
Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
5 0

Answer:

number of math cpurses: discrete. weight of backpacks: continuous

Step-by-step explanation:

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Which of the following is an irrational number?

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3 years ago
Cities A &amp; B are 5 inches apart on a map. Cities Ce Dare 4 inches apart. If C &amp; D are 900 miles apart how many miles apa
Afina-wow [57]

Answer:

<u>Cities A and B are 1,125 miles apart</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Distance between A and B in the map = 5 inches

Distance between C and D in the map = 4 inches

Real distance between C and D = 900 miles

2. How many miles apart are cities A and B?

We will solve the question, using Direct Rule of Three, as follows:

Distance in the map      Real distance

A - B     5 inches                    x

C - D     4 inches                900 miles

***************************************************

4x = 900 * 5

4x = 4,500

x = 4,500/4

x = 1,125 miles

<u>Cities A and B are 1,125 miles apart</u>

Same answer to question 14701120, answered by me today

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3 years ago
Kathy's internet company charges a connection fee of 0.21 cents for each call and 0.06 cents per minute for each call she made f
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1.95 = .21(5) + .06m

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Solving (if needed)
Subtract 1.05 from each side
1.95 - 1.05 = .06m
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Divide .06 on both sides
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3 years ago
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