HotelInfantesAgres - Tempat Tanya Jawab Pelajaran & Ilmu Pengetahuan Logo

Questions in mathematics

[Jawaban] Determine the arithmetic mean between the given numbers. 1. 12 and 27 2. 2 and 48 3. 23.8 and 45.2 4. 1.44 and 2.36

[Jawaban] What value of $x$ is in the solution set of $2x-3>11-5x$?

[Jawaban] What is the collude of [tex]$x$[/tex], where [tex]$x=1 \frac{1}{7} \times 2$[/tex]?

[Jawaban] Which of the following represents the factorization of the polynomial below? [tex]$x^2+13 x+42$[/tex] A. [tex]$(x+7)(x+6)$[/tex] B. [tex]$(x+9)(x+4)$[/tex] C. [tex]$(x+5)(x+8)$[/tex] D. [tex]$(x+21)(x+21)$[/tex]

[Jawaban] Select the choice that represents this two-variable equation after it has been solved for $y$ in terms of $x$. $2 y=8 x+4$

[Jawaban] $\begin{array}{l} f(x)=2 x-1 \\ g(x)=7 x-12 \end{array}$ What is $h(x)=f(x)+g(x) ?$ A. $h(x)=9 x-13$ B. $h(x)=9 x-12$ C. $h(x)=-5 x+11$ D. $h(x)=5 x-13

[Jawaban] Multiply the polynomials. $\left(2 x^2+6 x+6\right)(3 x-2)$ A. $6 x^3+14 x^2+6 x-12$ B. $6 x^3-14 x^2+6 x+12$ C. $6 x^3+14 x^2+6 x+12$ D. $6 x^3-22 x^2-30 x-12$

[Jawaban] The height, [tex]$h$[/tex], of a falling object [tex]$t$[/tex] seconds after it is dropped from a platform 300 feet above the ground is modeled by the function [tex]$h = 300 - 16t^2$[/tex]. Which expression could be used to determine the average rate at which the object falls during the first 3 seconds of its fall? A. [tex]$h(3)-h(0)$[/tex] B. [tex]$4\left(\frac{3}{3}\right)-4\left(\frac{0}{3}\right)$[/tex] C. [tex]$\frac{h(3)}{3}$[/tex] D. [tex]$\frac{h(3)-h(0)}{3}$[/tex]

[Jawaban] What is the range of $y=\log _8 x$? A. all real numbers less than 0 B. all real numbers greater than 0 C. all real numbers not equal to 0 D. all real numbers

[Jawaban] $\lim _{x \rightarrow \infty} \frac{\sqrt{x^2+7 x}}{12-4 x}=$