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irina [24]
3 years ago
12

Which is an example of the commutative property?

Mathematics
1 answer:
Llana [10]3 years ago
7 0
The answer is D. 18 + (–14) = –14 + 18
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A salesperson at a jewelry store earns ​5% commission each week. Last​ week, Jarrod sold $640 worth of jewelry. How much did he
Aleksandr-060686 [28]

Answer:

  $32

Step-by-step explanation:

To find the commission, multiply the rate by the sales:

  commission = 5% × $640 = $32

He made $32 in commission.

__

<em>Additional comment</em>

Many calculators and all spreadsheets can work with percentages directly. If yours can't, or if you can't do this arithmetic mentally, you can use the equivalent decimal or fraction for 5%.

  5% = 5/100 = 0.05 = 1/20

Then 5% × $640 = $640/20 = $64/2 = $32.

3 0
3 years ago
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Select THREE expressions equivalent to -81x + 27.
Umnica [9.8K]

Answer:

1001.11

Step-by-step explanation:

$2200/monthxhfhfjfjf

8 0
3 years ago
What i the solution to this equation<br> 6 (x - 5) = 4x + 20
cricket20 [7]

6 (x - 5) = 4x + 20

6x - 30 = 4x + 20

6x - 4x = 20 + 30

2x = 50

x =  \frac{50}{2}

x = 25

4 0
2 years ago
Read 2 more answers
For which equation would x = 5 be a solution?
tresset_1 [31]

Answer:

The second option.

3x + 6 = 21.

Step-by-step explanation:

3x + 6 = 21.

If x = 5, plug it in.

3 · 5 + 6 = 21

15 + 6 = 21

Hope this helps,

Davinia.

7 0
3 years ago
Identify the maximum and minimum values of the function y = 8 cos x in the interval [-2π , 2π].
Veronika [31]
Hello here is a solution ; 

3 0
3 years ago
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