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Nikolay [14]
2 years ago
9

Write an expression thar can ve used to sgiw the total cost,C, of all tickets

Mathematics
1 answer:
k0ka [10]2 years ago
8 0
The answer is A

Hope this helps!!
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Assume that the time it takes the housekeeping crew of a local hotel to clean a room varies uniformly between 28 and 45 minutes.
siniylev [52]

Answer:

The probability that the next room will require less than 32 minutes to clean

0.222222 = 22.22%

The probability that the next room will require more than 30 minutes to clean.

0.833333 = 83.33%

The mean

36.5

Standard deviation of the distribution

26.92

Step-by-step explanation:

Total Probable Outcomes = 18

Event 1

Possible outcomes less than 32 = 32-28 = 4

Probability less than 32 = 4/18 = 2/9 = 0.222222

Event 2

Possible outcomes less than 32 = 45-30 = 15

Probability less than 32 = 15/18 = 5/6 = 0.833333

Mean

Mean = (28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45)/18 = 36.5

Standard deviation of the distribution

*MS Excel file is attached for solution.

Download xlsx
4 0
3 years ago
Value of the underlined of 56
Elodia [21]
Anyway, the value of 5 is 50 and the value of 6 is 6 as in the ones place.
5 0
3 years ago
Read 2 more answers
Fred says that 1/2 and 7/8 are equivalent fractions. Draw area models for 1/2 and 7/8 to show if Fred's statement is correct. Na
jok3333 [9.3K]

Answer:

For your area models you would draw two rectangles and divide one into 2 equal sections, and the other one with 8 equal sections. You then shade 1 box out of the first triangle with 2 equal sides. Then you would shade 7 boxes on the rectangle with 8 equal sides. These diagrams would show you that 7/8 and 1/2 are not equivalent.

To find out what fractions are equivalent to 1/2 you would take 1/2 and times the numerator and denominator by the same number.

1/2*2/2= 2/4

2/4=1/2

1/2*9/9= 9/18

9/18=1/2

2/4 and 9/18 both equal 1/2

Hope this helps ;)

4 0
3 years ago
ILL GIVE U BRAINLYIST
nexus9112 [7]

Answer:

c

Step-by-step explanation:

ive had this before

8 0
3 years ago
-2c + 3c - 5 - 4c + 7
kaheart [24]

Answer:−

3c+2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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