The addition and subtraction properties include four mathematical properties:commutative property, associative property, identity property and inverse operations. These properties are helpful in solving problems, because they help to regroup numbers so at the end you will have an easier and simpler equation to solve.
3.5/8=0.4375
when you round if last number is higher than 5 then you chose higher number, if it's lower, you chose lower. If it's 5, you look if next number is pair (chose higher) or nonpair (chose lower).
so you round to 0.437
and then 0.44
and then 0.4
Y=8x+40
8 is slope because she adds 8$ weekly and 40 is what she started with
Answer:
x=-3/2 or x=0
Step-by-step explanation:
Subtract 8 from both sides
3|4x+3|+8-8=17-8
Simplify
3|4x+3| = 9
Divide both sides by 3
3|4x+3|/3 = 9/3
Simplify
|4x+3|=3
Apply absolute rule
4x+3=-3 or 4x+3=3
Solve
x=-3/2 or x=0
Start by taking away 22.36 from each side so that you are left with 4.73c = 42.57
And then divide each side by 4.73 so you will get c = 9