Tommy is making a picture graph to show his friends favorite kind of music. he plans to use one musical note to represent 2 people. how many notes will he use to represent that 4 people chose country music?

He will use 2 musical notes to represent that 4 people chose country music.

Step-by-step explanation:

Given : Tommy is making a picture graph to show his friends favorite kind of music.

He plans to use one musical note to represent 2 people.

i.e. Number of musical note to represent 1 people =

i.e. Number of musical note to represent 4 people =

i.e. Number of musical note to represent 4 people = 2

Hence, he will use 2 musical notes to represent that 4 people chose country music.

true statements:

a) x + y = y + x   ⇒ commutative property of addition

b) (x * y) * z = x * (y * z) ⇒ associative property of multiplication

d) (x + y) + z = x + (y + z) ⇒ associative property of addition

false statements:

c) x - y = y - x   should be: x - y = - y + x

e) (x - y) - z = x - (y - z) should be: (x - y) - z = x - (y + z)

step-by-step explanation:

attachment?

step-by-step explanation: