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saul85 [17]
3 years ago
12

An example of an ordered pair is (1, 5). True or False

Mathematics
2 answers:
Mashutka [201]3 years ago
6 0

Answer:

yes

Step-by-step explanation:

Eva8 [605]3 years ago
4 0
Answer: true

Explanation: true
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Suppose a subset of eight different days of the year is selected at random. What is the probability that each day is from a diff
goldfiish [28.3K]

Answer:

P = 0.05

Step-by-step explanation:

12 months * 30 days each = 360 days

From 306 days, we have to select 8 days = 360C8 ways(Total ways)

We want each days from different month. First, we have to select 8 month from 12 month = 12C8 ways

---By selecting 8 month, we will select a days from each month. That can be done in = 30C1 * 30C1 * .................30C1 (8 ways) [From a month with 30 days, we can select a day in 30C1 ways = 30 ways]

Therefore P = Number of ways of selecting each days from different month / Total number of ways

P = 12C8 * 30^8 / 360C8

P = 495 * 656100000000 / 6469697679132645

P = 0.0501985588982791

P = 0.05

Hence the probability that each day is from a different month is 0.05

6 0
3 years ago
I WILL GIVE BRAINLY HELP ME PLSSS
Gnom [1K]

Answer:

I believe (D)

Step-by-step explanation:

-5x + 7 = -13

-7 -7

-5x = -20

-5/-5 -20÷-5

x=4

3 0
3 years ago
Read 2 more answers
Consider the set of differences, denoted with d, between two dependent sets: 84, 85, 83, 63, 61, 100, 98. Find the sample standa
sveta [45]

Answer:

The sample standard deviation is 15.3.

Step-by-step explanation:

Given data items,

84, 85, 83, 63, 61, 100, 98,

Number of data items, N = 7,

Let x represents the data item,

Mean of the data points,

\bar{x}=\frac{84+85+83+63+61+100+98}{7}

=82

Hence, sample standard deviation would be,

\sigma= \sqrt{\frac{1}{N-1}\sum_{i=1}^{N} (x_i-\bar{x})^2}

=\sqrt{\frac{1}{6}\sum_{i=1}^{7} (x_i-82)^2}

=\sqrt{\frac{1}{6}\times 1396}

=\sqrt{232.666666667}

=15.2534149182

\approx 15.3

4 0
3 years ago
Rewrite in simplest rational exponent form √x · 4√x. Show each step of your process. The problem is down below in the image in c
nata0808 [166]

Step-by-step explanation:

x will be raised to the power of 1 if there's no power associatiated to it. Thus, you will have to flip the numbers to turn it into exponential form

4 0
3 years ago
Round 171,936 to the nearest ten thousand
hodyreva [135]

Answer:

Rounding = 170,000

3 0
3 years ago
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