12) Calculate: $$ 5 y^{2}+4 x $$, when $$ x=2.5 $$ and $$ y=3 $$ $$ 3 imes 3 imes 1 $$

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12) Calculate: $$ 5 y^{2}+4 x $$, when $$ x=2.5 $$ and $$ y=3 $$ $$ 3 	imes 3 	imes 1 $$

UpStudy AI · Accepted Answer

Substitute $$ x=2.5 $$ and $$ y=3 $$ into the expression $$ 5y^{2}+4x $$.
Evaluate the expression by following steps:
- step0: Evaluate:
  $$5y^{2}+4x$$
- step1: Substitute:
  $$5	imes 3^{2}+4	imes 2.5$$
- step2: Multiply the terms:
  $$45+4	imes 2.5$$
- step3: Multiply the numbers:
  $$45+10$$
- step4: Add the numbers:
  $$55$$
The value of $$5y^{2}+4x$$ when $$x=2.5$$ and $$y=3$$ is 55.
$$ 5y^{2}+4x = 55 $$ when $$ x=2.5 $$ and $$ y=3 $$.

Calculate: , when and

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