So percents are just written as 20% = 0.2 so keep that in mind
139 divided by 0.2 is 95 , which would be the price after the discount :)
hope this helps!
give me brainliest
Answer:
Step-by-step explanation:
<h3>Part A</h3>
<u>Solve the equation:</u>
- 6x² + 48x + 120 = 0
- x² + 8x + 20 = 0
- x² + 8x + 16 + 4 = 0
- (x + 4)² + 4 = 0
- (x + 4)² = - 4
The left side is positive and right side is negative so no solution
<h3>Part B</h3>
There is no intercession with the x-axis, the graph of the function is entirely above the x-axis.
It means the diver won't reach the bottom of the lake
Answer: -105x^5 + 67x^4 + 240x^3 -100x^2
