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QveST [7]
3 years ago
5

The number 78 is divisible by 2 and 3. True False

Mathematics
2 answers:
brilliants [131]3 years ago
7 0
2) 78 (38                            3) 78 (26
   -6                                       -6
  ____                                   ____
    18                                       18
   -18                                      -18
  ____                                   _____
      0                                         0

True, 78 is divisible by 2 and 3.
vladimir1956 [14]3 years ago
4 0
True, the number 78 is divisible by both 2 and 3.


78/2 = 39

78/3 = 26
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Step-by-step explanation:

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Step by step solution :

Step  1  :

Equation at the end of step  1  :

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Step  2  :

Trying to factor by splitting the middle term

2.1     Factoring  4n2-5n-6  

The first term is,  4n2  its coefficient is  4 .

The middle term is,  -5n  its coefficient is  -5 .

The last term, "the constant", is  -6  

Step-1 : Multiply the coefficient of the first term by the constant   4 • -6 = -24  

Step-2 : Find two factors of  -24  whose sum equals the coefficient of the middle term, which is   -5 .

     -24    +    1    =    -23  

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Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -8  and  3  

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Step-4 : Add up the first 2 terms, pulling out like factors :

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             Add up the last 2 terms, pulling out common factors :

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Step-5 : Add up the four terms of step 4 :

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