FailingstudentXD FailingstudentXD

02-02-2019
Mathematics

contestada

Which expressions equal 9 when x=4 and y=1/3

A. X2+6Y
B. 2X + 3Y
C. Y2-21X
D. 5 (X/2) -3Y
E. 3X-9Y

Respuesta :

ineedhelp616 ineedhelp616

02-02-2019

B.
[tex]4 \times 2 = 8[/tex]
[tex]3 \times \frac{1}{3} = 1[/tex]
[tex]8 + 1 = 9[/tex]

Answer Link

02-02-2019

I think there are 3 answers, B, D, and E.

For B: 2(4)+3(1/3)=8+1=9
For D: 5(4/2)-3(1/3)=5(2)-1=10-1=9
For E: 3(4)-9(1/3)=12-3=9

Answer Link

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