Answer:
a = - 3 and b = 4
Step-by-step explanation:
Given

Simplify 
=
=
×
= 3
Thus expression can be written as

Multiply numerator/denominator by 
noting that
×
= 2
= 
= 
Dividing each term on the numerator by 2
= 4
- 3
= - 3 + 4
with a = - 3 and b = 4
Answer: 55%
1. 279 - 180 = 99
2. 99 divided by 180 = 0.55
3. 0.55 x 100 is 55.
55 is the percentage
Answer:
10.36
Step-by-step explanation:
- $47 - $42.13 = $4.87
- ($4.87 ÷ $47) × 100 = 10.36%
Let's solve for h
hx = 0.5x - 9
Step 1: Divide both sides by x.
hx/x = 0.5x - 9/ x
Answer = h = 0.5x - 9/ x