micah63
micah63 micah63
  • 11-03-2019
  • Mathematics
contestada

Evaluate 3.6x + 4.5y when x=3 and y=7

Evaluate 36x 45y when x3 and y7 class=

Respuesta :

MarvelGirl101
MarvelGirl101 MarvelGirl101
  • 11-03-2019
The answer is 42.3


Step by Step:

Let our variable be n, standing for number.

3.6(x) + 4.5(y) = n
3.6(3) + 4.5(7) = n
10.8 + 31.5 = n
n = 42.3

Answer Link
alokdubeyvidyaatech alokdubeyvidyaatech
  • 12-11-2021

The value of [tex]3.6x+4.5y[/tex] at [tex]x=3, y=7[/tex] is [tex]42.3[/tex] .

Given expression:

[tex]3.6x+4.5y\\x=3, y=7[/tex]

Substitute:

[tex]=3.6(3)+4.5(7)\\=10.8+31.5\\=42.3[/tex]

Therefore, the value of [tex]3.6x+4.5y[/tex] at [tex]x=3, y=7[/tex] is [tex]42.3[/tex] .

Fore more information;

https://brainly.com/question/24926094

Answer Link

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