Answer:
-13
Step-by-step explanation:
2x²+26x+156=0
x²+13x+78=0
x²+13x=-78
x²+13x+169/4=-143/4
(x+13/2)²=-143/4
x+13/2=(i√143)/2 or x+13/2=-(i√143)/2
x=(i√143)/2-13/2 or x=-(i√143)/2-13/2
(i√143)/2-13/2+(-(i√143)/2)-13/2=(i√143-13-i√143-13)/2=-26/2=-13
The percentage of the pages in the manual without pictures is 0.92%.
The number of the pages in the manual without pictures is 0.01
<h3>
What are percentages?</h3>
Percentage can be described as a fraction out of an amount that is usually expressed as a number out of hundred. It is a measure of frequency.
<h3>What is the percentage of the pages without pictures? </h3>
Percentage = (number of pages without pictures / total number of pages) x 100 = 0.92%
To learn more about percentages, please check: brainly.com/question/25764815
Answer:
The answer is 72 inches in 24 hours.
Step-by-step explanation:
If 3 inches tall per hour, and you need to find the amount of rain in 24 hours, you just need to multiply the number of inches per hour by the number of hours required (24 hours):
3×24=72 inches