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Rudik [331]
3 years ago
7

Which exponential expression represents the numerical expression 9⋅9⋅9? ​​

Mathematics
1 answer:
Orlov [11]3 years ago
6 0
The correct answer is:   [D]:  " 9³ " .
________________________________________________________

Note:  " 9³ " ; or "nine to the third power"; or "9-cubed" ; is correct, because we are multiplied the number "9" by itself, "three times";
     hence, the value equal to:    
              9*9*9" is equal to:  " 9³ " ;  
      that is, "nine to the THIRD power" ; or:
                  "nine to the power of "three" ;
______________________________________________________
                   which is:  Answer choice:  [D]:  " 9³ " .
_______________________________________________________
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Write a linear equation that represents the cost of buying T-shirts from Paula’s Printing. Identify the meaning of each variable
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Answer:

y=21.50x

Step-by-step explanation:

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x ----> the number of t-shirts

y ----> the cost of buying T-shirts from Paula’s Printing in dollars

take two points from the given data

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(2,43) and (4,86)

step 1

Find the slope

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute the values in the formula

m=\frac{86-43}{4-2}

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Find the equation of the line in point slope form

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we have

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substitute

y-43=21.50(x-2)

step 3

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