Question

Find the mean of this set of numbers.

9, –6, –8, 11, –4, 10

Answer 1

add them
and then divide by 6

Answer 2

okay thanks

Answer 3

yw

Answer 4

are you happy adding negative numbers

eg 2 + -6 ?

Answer 5

-8

Answer 6

no -2 + -6 = -8

2 + -6 = 2 - 6 = -4

Answer 7

im confused

Answer 8

To find mean you add all the numbers and divide by how many numbers there are.There are six numbers, so you divide by 6. So all these numbers added equals 12. 12 divided by 6 equals 2. The answer is 2. Understand?

Answer 9

ohh can u help me on a different question??

Answer 10

sure

Answer 11

Identify which property of equality is used to transform Equation 1 to Equation 2.

Equation 1: 5 + x = 9
Equation 2: x = 4

Answer 12

yes - thiese can be tricky
maybe the analogy of a thermometer will help