\(\displaystyle{a}.-{2}\leq{\left\lbrace{x}\right\rbrace}\leq{\left\lbrace{3}\right\rbrace}\)

\(\displaystyle{b}.{x}={4}{\quad\text{and}\quad}{x}=-{2}\)

\(\displaystyle{c}.-{5}{<}{x}{<}{4}\)

\(\displaystyle{d}.{x}={1.5}\pm{0},{5}{i}\)

asked 2021-02-19

Solve the equations and inequalities: \(\displaystyle{2}{x}{<}{30}\)

asked 2020-12-02

\(b. −x^{2}−10x−9<0\)

\(c. −x^{2}−10x−9 \leq0\)

\(d. −x^{2}−10x−9>0\)

\(e. −x^{2}−10x−9 \geq0\)

asked 2020-12-30

asked 2020-12-27

asked 2021-05-16

To find the equation: \((792)(5.19 \times 10^{−5})\)

asked 2021-06-16

Solve the equations and inequalities:

\(\displaystyle{2}^{{x}}{<}{30}\)

asked 2020-11-05

\(\displaystyle{b}.{a}^{{{2}}}+{12}{a}+{36}{<}{0}\)

\(\displaystyle{c}.{a}^{{{2}}}+{12}{a}+{36}\leq{0}\)

\(\displaystyle{d}.{a}^{{{2}}}+{12}{a}+{36}{>}{0}\)

\(\displaystyle{e}.{a}^{{{2}}}+{12}{a}+{36}\geq{0}\)