(X) 4.1.PS-8
Evaluate 8.1x + 7.5y when x = 7 and y = 8.
8.1)+7.5(
)=
+60.0
8.1()+7.5()+60.0
(Type integers or decimals.)
116.7
Step-by-step explanation:
[tex]{ \blue{ \sf{8.1x + 7.5y}}} \: { \to} \: { \red{ \bold{ {eq}^{n} (1)}}}[/tex]
Put x = 7 and y = 8 in Eqⁿ (1)
[tex]{ \blue{ \sf{8.1(7) + 7.5(8)}}}[/tex]
[tex]{ \blue{ \sf{56.7 + 60.0}}}[/tex]
[tex]{ = { \pink{ \boxed{ \purple{ \sf{116.7}}}}}}[/tex]