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Rainbow [258]
2 years ago
7

Which equation shows the commutative property of addition?

Mathematics
2 answers:
Romashka [77]2 years ago
5 0

Answer:

D. m+n=n+m

Step-by-step explanation:

Communitive property of addition just changes the order of the addend and the sum stays the same.

lisabon 2012 [21]2 years ago
4 0

Answer:

We learned that the commutative property of addition tells us numbers can be added in any order and you will still get the same answer. The formula for this property is a + b = b + a. For example, adding 1 + 2 or 2 + 1 will give us the same answer according to the commutative property of addition.

Step-by-step explanation:

or

Commutative property of addition: Changing the order of addends does not change the sum. For example, 4 + 2 = 2 + 4 4 + 2 = 2 + 4 4+2=2+44, plus, 2, equals, 2, plus, 4. Associative property of addition: Changing the grouping of addends does not change the sum.

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Given that 2x – 9y = 11
Stels [109]

Answer:

y = 1/3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

2x - 9y = 11

<em>x</em> = 7

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                                                                                                  2(7) - 9y = 11
  2. Multiply:                                                                                                             14 - 9y = 11
  3. [Subtraction Property of Equality] Subtract 14 on both sides:                       -9y = -3
  4. [Division Property of Equality] Divide -9 on both sides:                                 y = 1/3
8 0
3 years ago
16% of 98 is 15.68 what is the solution
Paraphin [41]
Lol, bro, 15.68 is your solution
7 0
3 years ago
Maya is going to an amusement park. The price of admission into the park is $10, and once she is inside the park she will have t
Dvinal [7]

Answer:

15 rides= 40 and r rides= 10+2r

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Round 122.18 to the nearest whole number. Please tell me what it is. Thanks!
REY [17]
122 <---answer
Reason: 
The decimal is closer to 122 than 123. 
3 0
3 years ago
Read 2 more answers
Can you check my question please? thanks for your help.
SVETLANKA909090 [29]

The correct option will be the last one: f(x)= 9sin(6 \pi x)+6

<em><u>Explanation</u></em>

The general equation for sinusoidal function is: f(x)= Asin(2\pi fx)+b, where A=Amplitude, f= frequency and b= y-intercept

Here the maximum value is 15 and the minimum value is -3. So, the distance between maximum and minimum values is 18. That means, the Amplitude, A= \frac{18}{2}=9

Frequency (f) is given as 3 and y-intercept(b) is 6

So, the required function will be:

f(x)= 9sin(2\pi*3x) +6\\ \\ f(x)= 9sin(6\pi x) +6

6 0
3 years ago
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