3 years ago

Convert 14% to an equivalent decimal.

Mathematics

2 answers:

Novay_Z [31]3 years ago

5 0

14% to a decimal is .14, you move the percent sign two places to the left always

OleMash [197]3 years ago

4 0

0.14
the answer to it

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KonstantinChe [14]

$\bf 40a^2+20a-30=(-1)(15a^3+30)\implies 40a^2+20a~~\begin{matrix} -30 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~=-15a^3~~\begin{matrix} -30 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix} \\\\\\ 40a^2+20a=-15a^3\implies 15a^3+40a^2+20a=0\implies 5a(3a^2+8a+4)=0 \\\\\\ 5a(3a+2)(a+2)=0\implies a= \begin{cases} 0\\ -\frac{2}{3}\\ -2 \end{cases}$