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strojnjashka [21]
3 years ago
8

Which of the following must describe an irrational number

Mathematics
1 answer:
zubka84 [21]3 years ago
6 0

Answer:

An Irrational number is a number that cannot be expressed as the ratio of two integers.

Example: \pi

its numbers are infinite

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a hiking trail is 20 kilometers long. park organizers want to build 5 rest stops for hikers with one on each end of the trail an
ICE Princess25 [194]

The distance that will separate each rest stop is 4 kilometers.

<h3>What is the distance?</h3>

Division is the process of parting a number into equal parts using another number. The sign used to denote division is ÷. Division is one of the basic mathematical operations.

The distance = length of the trail / number of rest stops

20 km / 5 = 4km

To learn more about division, please check: brainly.com/question/13281206

#SPJ1

3 0
2 years ago
A password consists of 2 letters followed by 2 digits. How many different passwords can be formed?
kkurt [141]
There are 26 letters. There are 10 digits. Different combos possible are 26 * 26 * 10 * 10

Basically 67,600 different passwords can be formed. Rate and Thank if helped! :)

7 0
3 years ago
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A merchant buys a television for $125 and sells it for $75 more. what is the percent of markup?
guajiro [1.7K]
Since he sold it for $75 more,

% Mark Up = Mark Up/ Cost Price   * 100%

% Mark Up =   75 / 125 * 100%
            
                   =   0.6  * 100% = 60%

Percent Mark Up = 60%.

Hope this explains it.

4 0
3 years ago
Mrs. Savino runs 3 miles in 28 minutes. At this rate, how many minutes would it take her to run 15 miles? * Need it ASAP​
VashaNatasha [74]

Answer:

she would take 140 minutes to run 15 miles

Step-by-step explanation:

28 X 5 os equal to 140

7 0
3 years ago
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Suppose compact fluorescent light bulbs last, on average, 11,500 hours. The distribution is normal and the standard deviation is
juin [17]

Answer:

2.275%

Step-by-step explanation:

The first thing to do here is to calculate the z-score

Mathematically;

z-score = (x-mean)/SD

from the question, x = 12,300 hours , mean = 11,500 hours while Standard deviation(SD) = 400 hours

Plugging the values we have;

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Now, we want to calculate P(z ≤ 2)

This is so because we are calculating within a particular value

To calculate this, we use the z-score table.

Mathematically;

P(z ≤ 2) = 1 - P(z > 2) = 1 - 0.97725 = 0.02275

To percentage = 2.275%

6 0
3 years ago
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