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ikadub [295]
3 years ago
5

When 36 is subtracted from the square of a number , the result is 5 times the number

Mathematics
1 answer:
kogti [31]3 years ago
4 0

Answer:

Step-by-step explanation:

x^2- 36 =5x\\x^2- 36 - 5x =0\\x = 9

Check:

9^2 - 36 = 5(9)

81 - 36 = 45

45 = 45

Therefore, our answer, 9 is correct.

Hope that helps!

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Step-by-step explanation:

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55 points see attachment below
Ludmilka [50]

Answer:

  f(3) = -20

Step-by-step explanation:

To find the value of a function, substitute the number for the variable and do the arithmetic.

  f(x) = -2x^2 +x -5 . . . . . . given

  f(3) = -2(3^2) +(3) -5 . . . . function value for x = 3

  f(3) = -2(9) +3 -5 = -18 +3 -5

  f(3) = -20

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If your looking for the equation...

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