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snow_lady [41]
3 years ago
13

Which of the following statements uses the commutative property of addition?

Mathematics
2 answers:
babymother [125]3 years ago
6 0

The <em><u>correct answer</u></em> is:

2 + (3 + 4) = 2 + (4 + 3)

Explanation:

The commutative property of addition tells us that the two addends, or numbers being added, can be "flipped around" the addition symbol.  The only problem in which this occurs is 2 + (3 + 4) = 2 + (4 + 3) .

Zolol [24]3 years ago
5 0
<span>commutative property of addition (changing order of numbers)
</span>
Answer:
2 + (3 + 4) = (2 + 3) + 4
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Is 2cosx=cos2x ?<br>i have misinterrupted​
faltersainse [42]

no it isn't. 2cos(x) is 2 multiplied by cos(x), cos (2x) is cos(2 multiplied by x) meaning 2x is the angle you're taking the cosine of. if you want to know what cos(2x) look up the double angle rule.

7 0
3 years ago
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Given the function defined below, what is the value of the 4th term?
MakcuM [25]

Answer:

The 4 t h term is   f(4)   = 143

Step-by-step explanation:

<em>Explanation</em>:-

Given  function f(1) = -4

Given 'nth' term is  f(n) = -3f(n-1) +5

Put n =2         <em> f(2) = -3 f(2-1) +5</em>

                             = -3 f(1) +5

                             = -3 (-4) +5

                             = 12 +5

                       f(2) = 17

put n= 3      

                         f(n) = -3f(n-1) +5  

                      <em>   f(3) = -3 f(3-1) +5</em>

                            = -3f(2) +5

                           = -3(17) +5

                           = -51+5

                      f(3) = -46

Put n=4

                  f(n) = -3f(n-1) +5

               <em>  f(4)  = -3f(4-1) +5</em>

<em>                  f(4)  = -3f(3)+5</em>

                f(4)   = -3(-46)+5

                f(4)   = 138 +5

                f(4)   = 143

<u><em>Final answer</em></u>:-

<em>The 4 t h term is   f(4)   = 143</em>

         

6 0
3 years ago
The length of a rectangle is 5 inches shorter than double its width. The perimeter of the rectangle is 192 inches. Write a two-s
alukav5142 [94]

Answer:

Step-by-step explanation:

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2x + 2(x + 5) = 192                  Remove the brackets    <=== Answer

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4x = 192 - 10                        

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4x/4 = 182/4

x = 45.5

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Furkat [3]

Answer:


Step-by-step explanation:

y=mx+b

y less than or equal to -3x-23


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A is the answer to the question


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