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Sergio039 [100]
3 years ago
9

Answer so I can past one of my test

Mathematics
2 answers:
stiks02 [169]3 years ago
7 0

Answer: D

take 5/15 and simplify to 3/1

Sveta_85 [38]3 years ago
7 0
D) 1/3 because it simplifies to this
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5-7. These problems refer to rolling a number cube, then spinning a spinner with the letters A-H on it. Find each probability. S
Papessa [141]

Answer:

5)  P(2 AND A) = 1/6 x 1/8 = 1/48

6)  P(even AND vowel) = 1/2 x 2/8 = 1/8

7)  P(LT 3 AND not vowel) = 2/6 x 6/8 = 1/4

Step-by-step explanation:

4 0
3 years ago
I NEED HELP ASAP!!!!!
Y_Kistochka [10]
The only solution is x=7
Although the problem is solves correctly, always makes sure to check it by inputting it back into the equation. Putting -3 into the equation, one side turns negative and the other is positive. For this reason, it is impossible for one of the answers to be -3.
6 0
2 years ago
2(3 times 3+4 times 4)
Jobisdone [24]
2(3*3+4*4)

2(9+16)

2( 25)

The answer is 50

Hope I helped! (Pick me <span>as brainliest!)</span>
5 0
3 years ago
Read 2 more answers
We have two fair three-sided dice, indexed by i = 1, 2. Each die has sides labeled 1, 2, and 3. We roll the two dice independent
Nikitich [7]

Answer:

(a) P(X = 0) = 1/3

(b) P(X = 1) = 2/9

(c) P(X = −2) = 1/9

(d) P(X = 3) = 0

(a) P(Y = 0) = 0

(b) P(Y = 1) = 1/3

(c) P(Y = 2) = 1/3

Step-by-step explanation:

Given:

- Two 3-sided fair die.

- Random Variable X_1 : Result on 1st die.

- Random Variable X_2: Result on 2nd die.

- Random Variable X = X_2 - X_1.

Solution:

 

- Possible outcomes of X : { - 2 , -1 , 0 ,1 , 2 }

- The corresponding probabilities for each outcome are:

                 ( X = -2 ):  { X_2 = 1 , X_1 = 3 }  

                P ( X = -2 ):  P ( X_2 = 1 ) * P ( X_1 = 3 )  

                                :  ( 1 / 3 ) * ( 1 / 3 )  

                                : ( 1 / 9 )    

                ( X = -1 ):  { X_2 = 1 , X_1 = 2 } + { X_2 = 2 , X_1 = 3 }

                P ( X = -1 ):  P ( X_2 = 1 ) * P ( X_1 = 3 ) + P ( X_2 = 2 ) * P ( X_1 = 3)

                                :  ( 1 / 3 ) * ( 1 / 3 ) + ( 1 / 3 ) * ( 1 / 3 )

                                : ( 2 / 9 )        

 ( X = 0 ):  { X_2 = 1 , X_1 = 1 } + { X_2 = 2 , X_1 = 2 } +  { X_2 = 3 , X_1 = 3 }

               P ( X = -1 ):3*P ( X_2 = 1 )*P ( X_1 = 1 )

                                :  3*( 1 / 3 ) * ( 1 / 3 )

                                : ( 3 / 9 ) = ( 1 / 3 )        

                  ( X = 1 ):  { X_2 = 2 , X_1 = 1 } + { X_2 = 3 , X_1 = 2 }

               P ( X = 1 ): 2* P ( X_2 = 2 ) * P ( X_1 = 1 )

                                : 2* ( 1 / 3 ) * ( 1 / 3 )

                                : ( 2 / 9 )

                  ( X = 2 ):  { X_2 = 1 , X_1 = 3 }

                 P ( X = 2 ):  P ( X_2 = 3 ) * P ( X_1 = 1 )  

                                   :  ( 1 / 3 ) * ( 1 / 3 )  

                                   : ( 1 / 9 )                  

- The distribution Y = X_2,

                         P(Y=0) = 0

                         P(Y=1) =  1/3

                         P(Y=2) = 1/ 3

- The probability for each number of 3 sided die is same = 1 / 3.

8 0
3 years ago
Please help with this MATH question. I would appreciate it, it is the only one I need help with. SOLVING A SYSTEM INCLUDING LINE
makkiz [27]

Answer:

see below and attached

Step-by-step explanation:

To solve a system of quadratic equations:

  • Equal the equations then rearrange so that it is set to zero.
  • Use the quadratic formula to solve.

I have done this (see attached workings) but cannot get any of the solutions you've provided.  I have even graphed the two functions, and the points of intersection concur with my workings (see attached graph).

4 0
2 years ago
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