hiiilolilokolol hiiilolilokolol

19-02-2021
Mathematics

contestada

Evaluate:
5x2 – 2 (y + 1) + 9 when x = 2 and y = 1.

Respuesta :

beautifulmind2468 beautifulmind2468

19-02-2021

Answer:

25

Step-by-step explanation:

[tex]5x^{2} - 2 ( y + 1)+9 = 5*2^{2} - 2(1 + 1) + 9 = 5 *4 - 4 +9 = 20 - 4 + 9 = 20 + 5 =25[/tex]

Answer Link

jstrick592 jstrick592

19-02-2021

25

5x^2-2(y+1)+9
5(2)^2-2(1+1)+9
5(4)-2(2)+9
20-4+9
16+9
25

Answer Link

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