Question

answer these with an explanation please.

Answer 1

Answer:

#4. 2.9

#5. -0.83

#6. 0.15

#7. 3/5

#8. -1

#9. -3 7/8

Step-by-step explanation:

#4 - 6

Additive Inverse Formula

a = -b

a - Additive Inverse of Number

b - whole number

-2.9 = 2.9

5/6 transforms to 0.83 = -0.83

-0.15 = .15

(Change the fractions so it becomes improper and simplify)

#7 - 9

#7

2 3/5 + 3 1/5

1. -13/5 + 16/5
2. 16/5 - 13/5
3. 3/5

Answer: 3/5

#8

-3.7 + 2 7/10

1. -3.7 + 27/10
2. -3.7 + 2.7
3. -1

Answer: -1

#9

-1 3/4 + 2.25 + -4 3/8

1. -7/4 + 9/4 + -35/8
2. 2/4 + -35/8
3. 4/8 + -35/8
4. -31/8
5. -3 7/8

Answer: -3 7/8