Help For math test

#1= 9 #2 = 22

Step-by-step explanation:

3x - 4 = 23

3x -4 +4 = 23 + 4

3x = 27

x = 9

#2

1/2x -3 = 8

1/2x -3 + 3 = 8 +3

1/2x = 11

x = 22

15%

step-by-step explanation:

use the table and count the number of guesses that has two correct answers.

the following are two correct answers

10010, 01100, 11000

a total of 3 numbers having 2 correct guesses out of 20 questions.

probability of getting 2 correct guesses = the number of questions getting 2 correct answers / total number of questions.

= 3/20

to convert it into percent multiply by 100, we get

= 3/20 * 100

= 15%

the answer is 15%

you.

step-by-step explanation:

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