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NikAS [45]
3 years ago
14

which of these is an example of a discrete random variable? A. Time worked on a job B. Weight of a child C. First digit of a pho

ne number D. Length of a fish
Mathematics
2 answers:
sattari [20]3 years ago
8 0

A discrete random variable has a countable number of possible values. In this case I am pretty sure it is either none of the above or maybe the phone one.

sergiy2304 [10]3 years ago
4 0

es la c

agddfuygafgaufkgydkuyfegag

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Which statement is true ?
8090 [49]

Answer:

f(x)=4x^2

f(2)=4(2)^2

f(2)=4(4)

f(2)=16

2. g(x)=4*2^x

g(2)=4*2^2

g(2)=4*4

g(2)=16

f(2)=g(2)

Both is equal to 16

I hope this help you :)

Step-by-step explanation:

8 0
3 years ago
if a chocolate cake is divided into six equal and each has 280 calories, how many calories are in the whole cake
Contact [7]

Answer:

1680

Step-by-step explanation:

280 x 6 = 1680

3 0
2 years ago
If 588 digits were used to number the pages of a book how many pages are in this book.
iVinArrow [24]

Answer: 232 pages

Step-by-step explanation:

Total digits = 588

1 digit page number:

1 to 9 = 1 × 9 = 9

Number of pages = 9/1 = 9

2 - digit page number :

10 - 99 = 2 × 90 = 180

Number of pages = 180/2 = 90

3 - digit page number :

588 - (9 + 180) = 588 - 189 = 399

Number of pages with 3 - digits = 399/3 = 133

Therefore, the total number of pages the book has is :

(9 + 90 + 133) = 232 pages

6 0
2 years ago
Select all ratios equivalent to 7:12.<br> 3:36, 49:84, 20:21, 10:30
aliina [53]
49:84 is the only one
6 0
3 years ago
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Combine like terms . What is a simpler form of the expression? 2(x/2 -5)-3/2(x+7/4). Please Explain.
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Are you able to expand everything first? from there you would be able to combine line terms. basically if you have 3x+2x it would combine to 5x because they have x in them.
5 0
3 years ago
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