Questions in mathematics

Questions in mathematics

📝 Answered - Write the inequality $3

📝 Answered - Solve for $x$: $\frac{4}{x}+\frac{2}{-1}=\frac{6}{x}$ Enter your answer as a reduced fraction.

📝 Answered - Find the derivative of the given function. [tex] \begin{array}{c} f(x)=\left(3 x^2+7\right)(6 x+2) \\ f^{\prime}(x)=[?]\left(3 x^2+7\right)+\quad x(6 x+2) \end{array} [/tex]

📝 Answered - The tables represent two linear functions in a system. | x | y | |---|---| | -4 | 26 | | -2 | 18 | | 0 | 10 | | 2 | 2 | | x | y | |---|---| | -4 | 14 | | -2 | 8 | | 0 | 2 | | 2 | -4 | What is the solution to this system? A. (1,0) B. (1,6) C. (8,26) D. (8,-22)

📝 Answered - Working together, Shawn and Hector can install a tile floor in 6 hours. It would take Shawn 9 hours to do the job alone. | | Rate (part/hour) | Time (hours) | Part of Tile Installation | | :----- | :--------------- | :----------- | :------------------------ | | Shawn | [tex]$\frac{1}{9}$[/tex] | 6 | [tex]$\frac{6}{9}$[/tex] | | Hector | r | 6 | 6r | What is the value of [tex]$r$[/tex], Hector's rate of work in part per hour?

📝 Answered - Convert 1.5 m to [tex]mm \quad 1 m=1000 mm[/tex]

📝 Answered - The height in feet, [tex]$h$[/tex], of a model rocket [tex]$t$[/tex] seconds after launch is given by the equation [tex]$h(f)=3+70 t-16 t^2$[/tex]. The average rate of change in [tex]$h(t)$[/tex] between [tex]$t=1$[/tex] second and [tex]$t=3$[/tex] second is 6. What does the average rate of change tell you about the rocket? A. The rocket is traveling six times as fast when [tex]$t=3$[/tex] than it is when [tex]$t=1$[/tex]. B. The rocket is at a greater height when [tex]$t=3$[/tex] than it is when [tex]$t=1$[/tex]. C. The rocket is 6 feet higher above the ground when [tex]$t=3$[/tex] than it is when [tex]$t=1$[/tex]. D. The rocket is traveling at a constant rate of 6 feet per second between [tex]$t=1$[/tex] and [tex]$t=3$[/tex].

📝 Answered - Identify the equation as a conditional equation, contradiction, or an identity. Then give the solution set. Express numbers in simplest form. [tex]5 y+9-12 y=-6 y+3-14 y[/tex] Part 1 of 2 The equation is a: A. conditional equation B. contradiction C. identity

📝 Answered - What is the equation of the line that has a slope of -7 and passes through the point (4, 8)?

📝 Answered - Solve: $-5<-7-2 x<4$ The answer is $\square$ $