Answer:
x = ± 3
Step-by-step explanation:
Given
5x² - 45 = 0 ( divide through by 5 )
x² - 9 = 0 ( add 9 to both sides )
x² = 9 ( take the square root of both sides )
x = ± = ± 3
Thus the roots are x = - 3, x = 3
Yes you are correct welcome
Answer:
5 ≥ d^2 ≤ q
Step-by-step explanation:
let d= # of dimes
let q= # of quarters
hope this is right. does it look familiar?
The categorical variable covers the category or the value of the label and puts a <em>person </em>into <em>one group</em>, whereas quantitative variables have a value and some measurements.
For Example: Age is a variable quantitative, as though it takes a figure value.
- Wood type (yellow, pine, cedar) — categorical
- Type (solvent, water-based) water repellent — categorical
- Paint (millimeter) — Quantitative paint thickness
- Color of paint (white, grey, blue light) — categorical
- Quantitative weathered time (months)
Learn more:
brainly.com/question/3075098