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Pani-rosa [81]
3 years ago
10

A spinner is divided into three equal sections labeled a B and C. Erik spins the spinner and rolls a fair number cube. The tree

diagram shows the sample space for the possible outcomes. Which of the following statements is correct?
The probability of the spinner landing on B or rolling a 4 is 1/8
The probability of the spinner not landing on C and rolling a 3 is 13/18
The probability of the spinner landing on an A or rolling a number greater than two is 2/9
The probability of the spinner not landing on A and rolling a prime number is 1/3
Mathematics
2 answers:
ale4655 [162]3 years ago
7 0

Answer:

Last one:

The probability of the spinner not landing on A and rolling a prime number is 1/3

Step-by-step explanation:

The probability of the spinner not landing on A: 2/3

Prime outcomes on a dice:

2, 3, 5

The probability of rolling a prime number: 3/6 = 1/2

The probability of the spinner not landing on A and rolling a prime number is:

2/3 × 1/2

1/3

skelet666 [1.2K]3 years ago
3 0

Answer:

Last one:

The probability of the spinner not landing on A and rolling a prime number is 1/3

Step-by-step explanation:

The probability of the spinner not landing on A: 2/3

Prime outcomes on a dice:

2, 3, 5

The probability of rolling a prime number: 3/6 = 1/2

The probability of the spinner not landing on A and rolling a prime number is:

2/3 × 1/2

1/3

Step-by-step explanation:

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Anita is years older than Basilio. Three times Anita's age added to six times Basilio's age is 36. 1. Define the variables 2. Cr
Scilla [17]

Answer :Anita's age = 7 years

Basilio's age = 2.5 years

Step 1. Assign variables to Anita's and Basilio's ages.

Anita's age = A

Basilio's age = B

 

Step 2. Use the information given to form two equations.

Anita is 4-1/2 years older than Basilio

A = 4.5 + B

 

Three times Anita's age added to six times Basilio's age is 36

3A + 6B = 36

 

Step 3. Substitute the value of A from first equation in to the second equation and solve for B

3(4.5 + B) + 6B = 36

13.5 + 3B + 6B = 36

13.5 + 9B = 36

9B = 36 - 13.5

9B = 22.5

B = 22.5/9 = 2.5

 

Step 4. Find the value of A

A = 4.5 + 2.5 = 7

 

Answer:

Anita's age = 7 years

Basilio's age = 2.5 years

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3 years ago
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1/10

Step-by-step explanation:

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Answer:

x = 30

Step-by-step explanation:

1/2(x+6) = 18

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