Answer:
<h2>a.) reflect across x-axis</h2>
Step-by-step explanation:
The transformation described is about multiplying the vertical value by -1:
That means all vertical coordinates will change to the opposite side, but all horizontal coordinates will maintain at the same coordinate.
As a result, we'll have a reflection across the x-axis, because the y coordinates were transformed.
Therefore, the right answer is A.
<h3>
Answer: 20.3</h3>
Work Shown:
tan(angle) = opposite/adjacent
tan(B) = AC/AB
tan(67) = x/8.6
8.6*tan(67) = x
x = 8.6*tan(67)
x = 20.2603303460843 ... make sure your calculator is in degree mode
x = 20.3 .... rounding to 3 significant figures
see diagram below
Here is your question: 7/6 divided by 2.
÷
.
Multiply and you get
The parameter of the study's population is the 80% of all customers who shopped in the chain's stores that were interested in the home delivery service.
Population parameter is defined as any summary number that describes the entire population. It can be an average or a percentage/
The 1,000 customers that were surveyed are the sample of the population. They basically represent the population of the chain's customers.
