sakuraswat
sakuraswat sakuraswat
  • 10-12-2021
  • Mathematics
contestada

Evaluate the expression if a = 4, b = 9, and c = 1.

3b÷c1−a


–27


–9


9


27

Respuesta :

amstrongplayz
amstrongplayz amstrongplayz
  • 13-12-2021

Answer:

I used the discriminant which is √-4ac

Then I filled the numbers in, and found that 9 gets plug in for b and this becomes 9 squared, and that becomes 81. 4 is multiplied to 4 and 1 and becomes 16. Then 81 and 16 are subtracted and we get 65. We then find the square root, and will find that the answer is C.

Step-by-step explanation:

Answer Link
dansongtang
dansongtang dansongtang
  • 21-12-2021

Answer:

3b÷c1−a

=3×9÷1×1-4

=27÷1-4

=27-4

=23

Answer Link

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