HotelInfantesAgres - Tempat Tanya Jawab Pelajaran & Ilmu Pengetahuan Logo

Questions in mathematics

[Jawaban] A software designer is mapping the streets for a new racing game. All of the streets are dep equation of the lane passing through A and B is $-7 x+3 y=-21.5$. What is the equation of the A. $-3 x+4 y=3$ B. $3 x+7 y=63$ C. $2 x+y=20$ D. $7 x+3 y=70$

[Jawaban] Convert to the logarithmic equation that has the same meaning. [tex]$3125^{\frac{1}{5}}=5$[/tex]

[Jawaban] Fully factor the expression [tex]$4 x^2+6 x$[/tex]

[Jawaban] $\lim _{x \rightarrow \infty} \frac{-14 x}{12+2 x}=$

[Jawaban] The first and second steps to solve the equation $\frac{3 x}{5}+5=20$ are shown below. $\begin{array}{l} \frac{3 x}{5}+5-5=20-5 \\ \frac{3 x}{5}\left(\frac{5}{3}\right)=15\left(\frac{5}{3}\right) \end{array}$ Which property was applied in the second step? A. Addition Property of Equality B. Subtraction Property of Equality C. Multiplication Property of Equality D. Division Property of Equality

[Jawaban] Solve the system. $\left\{\begin{array}{l}x+12 y=68 \\ x=8 y-12\end{array}\right.$

[Jawaban] What are the domain and range of [tex]f(x)=\left(\frac{1}{5}\right)^x[/tex]? A. The domain is all real numbers. The range is all real numbers. B. The domain is all real numbers. The range is all real numbers greater than zero. C. The domain is all real numbers greater than zero. The range is all real numbers. D. The domain is all real numbers greater than zero. The range is all real numbers greater than zero.

[Jawaban] Without actually calculating cubes, find the value of $(28)^3+(-15)^3+(-13)^3$.

[Jawaban] If [tex]f(x)=9 x[/tex], which of the following is the inverse of [tex]f(x)[/tex]? A. [tex]f^{-1}(x)=x+9[/tex] B. [tex]f^{-1}(x)=x-9[/tex] C. [tex]f^{-1}(x)=\frac{x}{9}[/tex] D. [tex]f^{-1}(x)=\frac{9}{x}[/tex]

[Jawaban] The equation of a circle is $x^2+(y-10)^2=16$. The radius of the circle is $\square$ units. The center of the circle is at $\square$