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Anton [14]
3 years ago
15

. How many ways are there for an 8-person club to elect a president and a vice-president? (The

Mathematics
2 answers:
romanna [79]3 years ago
4 0

Answer:

28 ways

Step-by-step explanation:

Gemiola [76]3 years ago
3 0

Answer:

28

Step-by-step explanation:

Trust me I have big brain

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What property is 5(w - y)
Schach [20]

Answer:

5(w - y) is an example of Distributive property

Step-by-step explanation:

What is the distributive rule?

Distributive law, in mathematics, the law relating the operations of multiplication and addition, stated symbolically, a(b + c) = ab + ac; that is, the monomial factor a is distributed or separately applied, to each term of the binomial factor b + c, resulting in the product ab + ac.

What is the distributive method?

The distributive property of multiplication states that when a number is multiplied by the sum of two numbers, the first number can be distributed to both of those numbers and multiplied by each of them separately, then adding the two products together for the same result as multiplying the first number by the sum.

4 0
3 years ago
An anthropologist wishes to estimate the average height of men for a certain race of people. If the population standard deviatio
mario62 [17]

Answer:

The probability that the difference between the sample mean \bar{x} and the true population mean \mu is : P[|\bar{x}-\mu|\leq0.7]=0.9876

Step-by-step explanation:

Given :

Population standard deviation \sigma=2.8.

Sample size n=100

The sample mean standard deviation=\frac{\sigma}{\sqrt{n}}

To find :

The probability that the difference between the sample mean \bar{x} and the true population mean \mu

\because\frac{\sigma}{\sqrt{n}}=\frac{2.8}{\sqrt{100}}=\frac{2.8}{10}=0.28

Now, the probability that the difference between the sample mean \bar{x} and the true population mean \mu is :

  P[|\bar{x}-\mu|\leq0.7], nis large \Rightarrow \frac{\bar{x}-\mu}{\frac{\sigma}{\sqrt{n}}}=z

\Rightarrow P[\frac{\bar{x}-\mu}{\frac{\sigma}{\sqrt{n}}}

\Rightarrow P[z

\Rightarrow P[-2.5

Therefore, the probability P[|\bar{x}-\mu|\leq0.7]=0.9876

5 0
3 years ago
EASY— get marked brainliest!!!
Ilya [14]

Answer:

y≥1/2 x +1

Step-by-step explanation:

first the line in the graph is bold and not dotted

so the sign is either ≤ or≥

the shaded area is on the top , on this case it is greater than

the right answer is y≥1/2 x +1

7 0
3 years ago
The radius of a circle is 7.2 cm. Find the circumference to the nearest tenth.
Lynna [10]

Answer: 45.24

Step-by-step explanation:

6 0
3 years ago
I need helpppp I’ll give BRAINLY please help
Sidana [21]

Answer:

I this its the second one I'm not sure .

5 0
3 years ago
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