Questions in mathematics

Questions in mathematics

📝 Answered - 1 1/2 miles of road. The crew can install 1/3 mile per day. How many days will it take to install the cable? A. 5 days B. 4 1/2 days C. 3 days D. 1/2 days

📝 Answered - $22-4-6+3=?$ A. 14 B. 15 C. 9 D. 16 E. 27

📝 Answered - If $f(x)$ is an odd function, which statement about the graph of $f(x)$ must be true? A. It has rotational symmetry about the origin. B. It has line symmetry about the line $y=-x$. C. It has line symmetry about the $y$-axis. D. It has line symmetry about the $x$-axis.

📝 Answered - Solve: $\left(\frac{1}{8}\right)^{-J a}=512^{3 a}$

📝 Answered - Consider the system of equations. [tex]y=3 x+2[/tex] [tex]y=-\frac{2}{3} x-4[/tex] Explain why these particular equations can be graphed immediately. These can be graphed immediately because the [tex]x[/tex]-axis is not unknown and we know where to plot both the points.

📝 Answered - If you use the substitution method and end up with the equation $2=5$, what can you say about the solutions? The system is inconsistent. The system is independent. The system is dependent. The system has an infinite number of solutions.

📝 Answered - Solve the following formula for $b$ $\begin{array}{l} y=3(5 a+7 b) \\ b=\square \end{array}$

📝 Answered - Find the product and enter your answer in the space provided. $5.85 \times 5.5=?$

📝 Answered - Solve the quadratic equation [tex]x^2-10 x+14=-4[/tex] by completing the square. A) [tex]x=5 \pm \sqrt{7}[/tex] B) [tex]x=-5 \pm \sqrt{7}[/tex] C) [tex]x=7 \pm \sqrt{5}[/tex] D) [tex]x=-7 \pm \sqrt{5}[/tex]

📝 Answered - Solve $x / 10=-7$. A) $x=3$ B) $x=-70$ C) $x=-0.7$ D) $x=-17$