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Vikki [24]
3 years ago
6

I need all the answers

Mathematics
2 answers:
Anna007 [38]3 years ago
8 0
For #1) . The answers in order are: 21 1/4, 21 2/4 (2/4=half , which is reduced form.) 21 3/4.

*22 is already given to you so that means it's fraction is 4/4=1= 22.


For #2) The answers in order are: 73 1/3, 73 2/3.

*74 is given so that means 74= 4/4= 1.

For #3) 2/3, 1/4, 5/6 the answer is 16.
If you use the denominators you will see that 3 can NOT divide evenly into 16. Therefore 16 is your answer.
(12, 24, and 48 can all be divided evenly by the denominators.)

Those are all of your correct answers! Yay! Good luck!! I hope that this helps!
navik [9.2K]3 years ago
7 0
For answer 1 it is 73 1/2, 73 2/2



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Find the expected value of the winnings
Orlov [11]

The expected value of the winnings from the game is $4

<h3>How to determine the expected value?</h3>

The payout probability distribution is given as:

Payout ($) 2 4 6 8 10

Probability 0.5 0.2 0.15 0.1 0.05

The expected value is then calculated as:

E(x) = \sum x * P(x)

This gives

E(x) = 2 * 0.5 + 4 * 0.2 + 6 * 0.15 + 8 * 0.1 + 10 * 0.05

Evaluate the expression

E(x) = 4

Hence, the expected value of the winnings from the game is $4

Read more about expected values at:

brainly.com/question/15858152

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7 0
2 years ago
Find the sum of the series given in sigma notation.
Kryger [21]

Answer:

Option b is correct 175

Step-by-step explanation:

n = 7

k = 6

3k -2 ------1

put k = 6 in above eq. for finding first term

  a1 = 3(6) - 2  = 18 - 2 = 16

put k = 7 in above eq. for finding first term

 a2 = 3(7) - 2 = 21 - 2 = 19

 a3 = 3 (8) - 2 = 24 - 2 = 22

16, 19 , 22, ...  //Arithmetic series formation

a1 = 16 , a2 = 19

d = a2 - a1 = 19 - 16 = 3 //Difference of first two terms

Using sum forumula for arithmetic series

sum = \frac{n}{2}(2a1 + (n-1)d)

      = \frac{7}{2}(2a1 + (7-1)d)

      = \frac{7}{2}(2(16) + (6)3)

      =  \frac{7}{2}(32 + 18)    

      =  \frac{7}{2}(50)

      = 7 * 25

      = 175




4 0
3 years ago
Will mark as brainliest if correct
Dvinal [7]
5= 7 ^x
X=ln5/ln7
X=0.827
5 0
3 years ago
Find the value of x that solves the system shown below.<br> y = 5x<br> 2x - y = 18
cestrela7 [59]
Since 5x is equal to y.we can write 5x instead of y in the equation.and then solve the equation

7 0
3 years ago
2 2/3 multiplied by 5 4/5
grin007 [14]
2 \frac{2}{3} = \frac{8}{3} &#10;
5  \frac{4}{5} =  \frac{29}{5}
\frac{8}{3} * \frac{29}{5} =X
Solve for X. What do you think the answer is based on that?
8 0
4 years ago
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