Help me and my kid again with properties???
____=15a-20b
Another one is this,” Answer the following questions”…
1 What is the identity element for addition? I put “+” is that ok?
2. What is the identity element for mulitiplication? I put “x”
Then theres one like this (I REALLY don’t get this)
What is the additive inverse of 5?
AND
What is the multiplicative inverse of -1/2?
Finally there is a section like this…
A)state whether the following are closed or not closed
B)Give a counter example for the ones that are not closed.
1. Whole numbers under subtraction?
a)_____ b)_____
2. Integers under multiplication?
a)_____ b)_____
3. Integers under deivision?
a)_____ b)_____
4.Integers under subtraction?
a)_____ b)_____
My kid needs this! Her dumb teacher doesn’t teach any of this… I’m not gonna let my kid get a low grade cuz of it.
Favorite Answer
1) The identity element for addition is 0. When you add 0, nothing changes.
2) The identity element for multiplication is 1.
The additive inverse of 5 is -5.
The multiplicative inverse of -1/2 is -2
1) The whole numbers are open under subtraction. 3 – 5 = -2
2) The integers are closed under multiplication.
3) The integers are open under division. 1/2 = .5
4) The integers are closed under subtraction.
- Academic Writing
- Accounting
- Anthropology
- Article
- Blog
- Business
- Career
- Case Study
- Critical Thinking
- Culture
- Dissertation
- Education
- Education Questions
- Essay Tips
- Essay Writing
- Finance
- Free Essay Samples
- Free Essay Templates
- Free Essay Topics
- Health
- History
- Human Resources
- Law
- Literature
- Management
- Marketing
- Nursing
- other
- Politics
- Problem Solving
- Psychology
- Report
- Research Paper
- Review Writing
- Social Issues
- Speech Writing
- Term Paper
- Thesis Writing
- Writing Styles