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tia_tia [17]
3 years ago
8

Evaluate the expression below when x = 4 and y = 12. 5x2−3y

Mathematics
2 answers:
Gekata [30.6K]3 years ago
4 0

Answer:

Step-by-step explanation:

Put x = 4, y = -5 and z = 2 to the expression 3x² - 4y + xz and use PEMDAS:

3(4)² - 4(-5) + (4)(2)

= 3(16) + 20 + 8

= 48 + 20 + 8

= 76

V125BC [204]3 years ago
3 0

Answer:

44

Step-by-step explanation:

Alright let’s do this!

Expression: 5x^2 - 3y and x = 4, y = 12

First let’s plug in the missing values of x and y!

5(4)^2 - 3(12)

Then, get rid of exponent! From this point forward follow PEMDAS

5(16) - 3(12)

80 - 36 =

44

And there you go! Hope I helped, Good Luck! :)

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