Factor 5x2+10x-15 , please lend a helping hand if you will.
1 answer:
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Answer:
480
Step-by-step explanation:
Important Information:
A Book Has 12 Chapters.
The Mean length of the chapters is 40 pages.
Question to Answer:
How many total pages are there in the 12 chapters?
Explanation/Solution:
Let's assume that the total number of pages in the book is "x" pages.
To find the mean (average) we divide the total "x" by 12 because there are 12 chapters in the book, which would equal to 40.
=40
Multiply both sides by 12...
x = 480
Hence, The total number of pages in the 12 chapters is 480.
we know that
If triangle LMN is a right triangle then must meet the Pythagorean Theorem
so
Applying the Pythagorean Theorem
substitute the values
------> is true
The triangle LMN is a right triangle
therefore
the answer is the option A True