5x^2-45=0
<em>*Add 45 to both sides*</em>
5x^2=45
<em>*Divide both sides by 5*</em>
x^2=9
<em>*Take the square root of both sides*</em>
x=+/-9
Hope this helps!!
Answer:
+-3
Step-by-step explanation:
1. Add 45 to each side: 5x^2=45
2. Divide 5 on each side: x^2=9
3. Square root both sides: x= +-3
the line perpendicular: x=-3
yes :)
7 inches.
Longest book length - Shortest book length
Alabama, Alaska, American Samoa, Arizona, Arkansas.
California, Colorado, Connecticut.
Delaware, District of Columbia.
Florida.
Georgia, Guam.
Hawaii.
Idaho, Illinois, Indiana, Iowa.
Kansas, Kentucky.
Answer: 19.5 is the answer
Step-by-step explanation: 39 divided by 2 is 19.5
