Question

EXTRA POINTS IF YOU CON HELP 10000 POINTS IF YOU CAN HELP ◑ω◐

4 Quotations
1. tell whether each statement is True or False.
a. 0.45 - (-0.4) = 0.85 True False
b. -1 5/8 - (-5 5/8) = -7 2/7 True False
c. -7 3/7 + 1/7 = -7 2/7 True False

2. consider the following equations.

-5/6 + = a negative number
a. wright a fraction that makes this equations true.
________________________________________
b. Show that your fraction makes that equations true.
________________________________________

3.During a hot summer week, the water level in Wei's pool decreased by 1.9 centimetres. Wei added water to the pool, increasing the level by 3.5 centimetres. During the next week, the water level decreased by 2.4 centimetres. How does the new water level compare to the original water level?
Show your work.






Solution______________________________________________________

4.If a is a negative rational number and b is a positive rational number, which of the following must be true? Give an example for the statements that are true and a counterexample for the statements that are false.
a. a - b is positive
__________________________
b. b - a is positive
__________________________
c. b + (-a) is a negative
__________________________
Pleas help me EXTRA POINTS IF YOU CON HELP 10000 POINTS IF YOU CAN HELP ◑ω◑ 10000 points ◐ω◐

Answer 1

A- true

B- false

C- false

1/6. -5/6 + 1/6 = -4/6

-0.08. ( im pretty sure that is the answer. again, i cant really show work, just do 3.5 - (1.9+2.4)

a. b is positive. i dont really understand counterexamples, I'm really sorry!!

Hope this helps!

( you can't add extra points.. If you really want to, can you plz thank me??)