1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Svetlanka [38]
3 years ago
8

Juan used the expression 16 – 9 – 12 + 22 to find his profit for days 2 and 3. He rewrote the expression as 16 + (–9) + (–12) +

22.
Juan can use the associative and commutative properties to rewrite the expression again. Explain why he had to use the additive inverse before he could use these properties.
Mathematics
4 answers:
malfutka [58]3 years ago
8 0

Jaun has to use inverse before using those properties as they does not support subtraction but only addition.

<u>Solution:</u>

Given that , Juan used the expression 16 – 9 – 12 + 22 to find his profit for days 2 and 3.  

He rewrote the expression as 16 + (–9) + (–12) + 22

Juan can use the associative and commutative properties to rewrite the expression again.  

We have to explain why he had to use the additive inverse before he could use these properties.

Now, Associative property and commutative property true for addition.

i) a + (b + c) = (a + b) + c  ---> Associative property of addition

ii) a + b = b + a --> commutative property of addition.

These properties not true for subtraction.

That's the reason Juan used additive inverse before applying these property.

Hence, jaun has to use inverse before using those properties as they does not support subtraction but only addition.

babymother [125]3 years ago
7 0

Answer:Juan can add the numbers

Step-by-step explanation:

Dumb-person2 years ago
0 0

The associative and commutative properties can be applied only to problems with addition. Juan had to change the subtraction to addition by adding the additive inverse.

batgirl10000000000000000000002 years ago
0 0

Sample response: The associative and commutative properties can be applied only to problems with addition. Juan had to change the subtraction to addition by adding the additive inverse.

You might be interested in
5. f(x) = 3x³ - 4x² +6x and g(x)=5x ³+ 2x²- 3x. What is f(x) - g(x)?
sasho [114]

Answer:

<h2>A. -2x³ - 6x² + 9x</h2>

Step-by-step explanation:

f(x)=3x^3-4x^2+6x\\\\g(x)=5x^3+2x^2-3x\\\\f(x)-g(x)=(3x^3-4x^2+6x)-(5x^3+2x^2-3x)\\\\=3x^3-4x^2+6x-5x^3-2x^2-(-3x)\qquad\text{combine like terms}\\\\=(3x^3-5x^3)+(-4x^2-2x^2)+(6x+3x)\\\\=-2x^3-6x^2+9x

8 0
3 years ago
Use the given graph. Determine the period of the function.
Ivahew [28]

Answer:

3

Step-by-step explanation:

Period of a function is the period after which the function attains the same value

in the graph attached with this problem we can see that

f(0)=1

the value of x for which function f(x) attains the value 1 again is at

x=3

f(3)=1

similarly , we see

f(6)=1 , f(9)=1

Hence we see that after every increased value of x by 3 units , we attain the same value of function . hence the period of the function is 3

6 0
3 years ago
When p is false and q is true, then p or q is________ true.
ale4655 [162]
The answer is to this question is option B
7 0
3 years ago
Read 2 more answers
Gavin borrowed $250 from his parents to buy a new mp3 player. Each week he pays his parents back $10. The function, m(w) = 250 –
Kryger [21]

Answer:

m=25

Step-by-step explanation:

You want to divide 250 by 10 to find the number of weeks it would take him to pay back his parents. which would be 25. It would take Gavin 25 weeks to pay his parents back. m(w)=0 just is telling you the worth of that part of the equation.

7 0
3 years ago
Simplify: sin(pi/2 - x)csc x
Mnenie [13.5K]

Answer:

I hope this helped!

7 0
3 years ago
Other questions:
  • Car travels 100 m in 5 seconds. What is the speed the car?
    11·2 answers
  • HELP FAST 5√6 As a Whole Radical
    15·2 answers
  • What is the point of maximum growth rate for the logistic function f(x) ?
    7·1 answer
  • Roger gets $40 per day as wages and $4.50 as commission for every pair of shoes he sells in a day. His daily earnings goal is $1
    12·2 answers
  • 5. Olivia and Evelyn are each saving money. Olivia starts with $200 in her savings account and adds $10 per week. Evelyn starts
    12·2 answers
  • Let f(x) = x - 1/x. which of the following are zeros of f(x)?
    9·1 answer
  • Jim and Jabu join a gym. Jim's gym take R150 deposit,and he pays R120 monthly. Jabu's gym takes no deposit, but his monthly paym
    15·1 answer
  • I need help on this and I don't know how to do this.<br><br> Please Help
    11·2 answers
  • Solve the formula for the indicated variable: C<br><br> R= C-S/t
    5·1 answer
  • Bloussanoma Evaluate the expression when a = 7 and b=9. <br>a+5b=??<br>​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!