lacey18278 lacey18278

02-04-2021
Mathematics

contestada

If x=7 and y=−5, evaluate the following expression:3x−y2

Respuesta :

02-04-2021

Answer:

the expression is equal to 31

Step-by-step explanation:

3x-y2
3(7) - (-5)2

21 - (-10)
21 + 10 = 31

Answer Link

PurpleFlame10 PurpleFlame10

02-04-2021

Answer:

31

Step-by-step explanation:

Substitute x and y into the equation to get..

(3×7)-(-5×2)

21- -10

31

Hope this helps :)

Answer Link

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