The number of books which Mr. Hartzel has now is:
<h3>What is Algebra?</h3>
This refers to the use of calculations to solve mathematical problems. There are different ways in which algebra is used and this can include addition, subtraction, division, etc.
With this in mind, we can see that Mr Hartzel had 12 books in his library
Then he got 9 new books and then sold off 6 books.
Therefore, the total number of books which he has now is:
12+9-6= 15 books
Read more about algebra here:
brainly.com/question/6143254
Answer:
A recursive formula is a formula that defines each term of a sequence using preceding term(s). Recursive formulas must always state the initial term, or terms, of the sequence.
Step-by-step explanation:
Was that the definition you were asking or the question?
Answer:
Step-by-step explanation:
Plot the points and connect in pairs.
We got a right triangle.
<u>The legs have the length:</u>
- 1 - (-2) = 3 units and
- 1 - (-3) = 4 units
<u>The area of the triangle is:</u>
- A = 1/2bh
- A = 1/2*3*4 = 6 square unit
Hi student, let me help you out!
.......................................................................................................
Let's solve this inequality by following these steps:
- Add 6 to both sides.
- Subtract 4x from both sides.
- Solve for x.
Step 1: Add 6 to both sides:
.
Upon simplifying this, we obtain
.
Step 2. Subtract 4x from both sides:
.
Upon simplifying, we obtain
.
Step 3. Divide both sides by -7.
Upon carrying this out, we obtain
.
Remember this...

Hope this helped you out, ask in comments if any queries arise.
Best Regards!

