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Anettt [7]
2 years ago
11

Gym socks are selling at $4.05 for three pairs. At this rate, how much will eight pairs of socks cost?

Mathematics
1 answer:
Leno4ka [110]2 years ago
8 0
$4.05 divided by three is $1.35. Add that to $4.05(2) and it equals $12.15.
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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
2 years ago
A car is traveling at a rate of 99 kilometers per hour. what is the car's rate in kilometers per minute? how many kilometers wil
gayaneshka [121]

there are 60 minutes per hour

99/60 = 1.65 km per minute

1.65 x 2 = 3.3 km in 2 minutes

7 0
3 years ago
There was only 5/12 of a pizza left. Carl then ate 1/6 of the remaining pizza. How much of the pizza was left?
eimsori [14]
\frac{5}{12} - \frac{1}{6} = \frac{5}{12} -  \frac{2}{12} =  \frac{3}{12} =   \frac{1}{4}

\frac{1}{4} of the pizza was left
4 0
3 years ago
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2 hours is how long it would take
5 0
3 years ago
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What is the square root of 45 rounded to the nearest hundredth
lakkis [162]
The square root of 45 is simplified to 3 root 5. Rounded in decimal form, 6.708
4 0
3 years ago
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