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Alenkasestr [34]
3 years ago
15

PLEASE HURRY THANK YOU

Mathematics
2 answers:
Simora [160]3 years ago
7 0

Answer:

Randomly generate an integer from 1 to 7 two times, and the probability is 1/7 ^2

This is the statement that best describes the use of a simulation to predict the probability that two randomly chosen people will both have their birthdays on a Monday.

There are 7 days in a week, so there are 7 choices but only 1 Monday. So, 1/7 is the probability that a person's birthday falls on a Monday.

1st person asked will have 1/7 probability.

2nd person asked will also have 1/7 probability

So, (1/7)² is the probability that both persons will have their birthdays on a Monday.

3

Step-by-step explanation:

marysya [2.9K]3 years ago
6 0

Answer:

the answer is D

Step-by-step explanation: here's why.  probability is basically guessing by the way.  so were trying to find  the statement best describes the use of a simulation to predict the probability that two randomly chosen people will both have their birthdays on a Monday. all you have to do is make 1 and 7 a fraction like this: 1/7^2 thats why its d hope this helps

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Which subset of real numbers does 0 not belong to?
Margarita [4]

Integers are irrational numbers. A natural number is a rational number. An irrational number is a real number. Zero is a natural number.

I hope this helps!

6 0
2 years ago
Simplify 3-5(-3n+5)
anyanavicka [17]
15n-22
(: hope it's correct!
4 0
2 years ago
Read 2 more answers
Help! Please! Im Failing :'
Naddika [18.5K]

Answer:

3.) D

4.) B

Step-by-step explanation:

6 0
3 years ago
Simplify the following 3√28-5√63+4√112
alexandr402 [8]

7√7

using the ' rule of radicals '

• √a × √b ⇔ √ab

simplifying the radicals

√28 = √(4 × 7 ) = √4 × √7 = 2√7

√63 = √(9 × 7) =√9 × √7 = 3√7

√112 = √(16 × 7 ) = √16 × √7 = 4√7

substituting into the expression

3(2√7) - 5(3√7) + 4(4√7) = 6√7 - 15√7 + 16√7 = 7√7


7 0
3 years ago
Read 2 more answers
For the functions f(x) = x^2+ 8x + 2 and g(x) = -5+9, find (f•g)(x)and (f.g)(-1).
Ne4ueva [31]

Answer:  (f·g)(x) = -5x³ - 31x² + 62x + 18

               (f·g)(-1) = -70

(fog)(x) = 25x² - 130x + 155

(fog)(-1) = 310

<u>Step-by-step explanation:</u>

f(x) = x² + 8x + 2          g(x) = -5x + 9

(f·g)(x) = (x² + 8x + 2)(-5x + 9)

          = -5x³ + 9x²

                    - 40x² + 72x

            <u>                    - 10x + 18</u>

          = -5x³ - 31x² + 62x + 18

(f·g)(-1)= -5(-1)³ - 31(-1)² + 62(-1) + 18

         =  -5(-1)  - 31(1)    - 62      + 18

         =    5     -   31      - 62      + 18

         =  -70

****************************************************************************************

(fog)(x) = (-5x + 9)² + 8(-5x + 9) + 2

           = 25x² - 90x + 81

                       - 40x + 72

              <u>                   +   2</u>

           = 25x² - 130x + 155

(fog)(-1) = 25(-1)² - 130(-1) + 155

            =   25    +  130    + 155

            = 310

<em>It wasn't clear if you wanted multiplication or composition so I solved both.</em>

6 0
3 years ago
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