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DerKrebs [107]
2 years ago
6

What is the solution of (3x + 8)/(x - 4) >= 02

Mathematics
1 answer:
ipn [44]2 years ago
4 0

Answer:

3x+8=0

x=-8/3The face of the denominator must be 0

And the face and denominator of the fraction must be positive

Step-by-step explanation:

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When a number is decreased by 40% of itself the result is 96. What is the number?
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Answer:

160

Step-by-step explanation:

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= 96/0.6 = 160

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3 years ago
I need help with both of them please!( Sample questions 13 and 14)
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How many terms does the polynomial have? <br>        p3– 4pq2+q2– 3q
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7 0
2 years ago
I think its C, not sure
Alona [7]
Yes; you are correct.
___________________________________________________
The correct answer is:
___________________________________________________
Answer choice:  [C]:  " x³ − 9x² + 23x <span>− 12 " .
___________________________________________________
Note: (a </span>− b) (c − d + e) = ac − ad + ae − bc + bd − be ;
___________________________________________________
          (x − 4) (x² <span>− 5x + 3) = 

   x * x</span>² = x³ <span>− 

   x * 5x = 5x</span>² + 

   x * 3   = 3x <span>−

   4 * x</span>²  = 4x² <span>−

   -4 * 5x =  -20x +

   -4 * 3 =  -12; 
________________________________________
</span>          (x − 4) (x² − 5x + 3) = 

x³ − 5x² + 3x −4x² − (-20x) + (-12) ;

=  x³ − 5x² + 3x −4x² + 20x − 12 ;

= x³ − 5x² − 4x² + 3x + 20x − 12 ;

= x³ − 9x²  + 23x − 12 ;  which is:
__________________________________________________
Answer choice:  [C]:  " x³ − 9x²  + 23x − 12 " .
__________________________________________________
7 0
3 years ago
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