Questions in Grade College

Questions in Grade College

[Answered] The height of a stuntperson jumping off a building that is 20 m high is modeled by the equation [tex]h=20-5 t^2$[/tex], where [tex]$t$[/tex] is the time in seconds. A high-speed camera is ready to film the person between 15 m and 10 m above the ground. For which interval of time should the camera film the person?

[Answered] Consider the following equation. [tex]f^{(-x)}+4=3 x-1[/tex] Approximate the solution to the equation above using three iterations of successive approximation. Use the graph below as a starting point. A. [tex]x \approx \frac{25}{16}[/tex] B. [tex]x \approx \frac{27}{16}[/tex] C. [tex]z \approx \frac{7}{4}[/tex] D. [tex]x \approx \frac{13}{8}[/tex]

[Answered] What are the $x$- and $y$-coordinates of point P on the directed line segment from $K$ to $J$ such that $P$ is $\frac{3}{5}$ the length of the line segment from K to J ? $\begin{array}{l} x=\left(\frac{m}{m+n}\right)\left(x_2-x_1\right)+x_1 \\ y=\left(\frac{m}{m+n}\right)\left(y_2-y_1\right)+y_1 \end{array}$ A. (40,96) B. (85,105) C. (80,104) D. (96,72)

[Answered] A point has the coordinates $(m, 0)$ and $m \neq 0$. Which reflection of the point will produce an image located at $(0,-m)$? A. a reflection of the point across the $x$-axis B. a reflection of the point across the $y$-axis C. a reflection of the point across the line $y=x$ D. a reflection of the point across the line $y=-x

[Answered] A student requires 2.00 L of [tex]$0.100 M NH _4 NO _3$[/tex] from a [tex]$1.75 M NH _4 NO _3$[/tex] stock solution. What is the correct way to get the solution? Use [tex]$M_j V_j=M_f V_f$[/tex]. A. Measure 114 mL of the 1.75 M solution, and dilute it to 1.00 L. B. Measure 114 mL of the 1.75 M solution, and dilute it to 2.00 L. C. Measure 8.75 mL of the 1.75 M solution, and dilute it to 2.00 L. D. Measure 8.75 mL of the 0.100 M solution, and dilute it to 2.00 L.

[Answered] What is the constant of variation, [tex]k[/tex], of the line [tex]y=k x[/tex] through (3,18) and (5,30)? A. [tex]\frac{3}{5}[/tex] B. [tex]\frac{5}{3}[/tex] C. 3 D. 6

[Answered] Alicia runs a small business mowing yards in the summer. For every yard she mows, she earns $40. However, she spends part of this money on gasoline for her lawnmower. Each gallon of gasoline costs $3. Write an expression for the amount of money that Alicia earns in a day, where $y$ is the number of yards she mows and $g$ is the number of gallons of gasoline she buys. A. [tex]$40 g+$[/tex][tex]$3 y$[/tex] B. [tex]$3 g-$[/tex][tex]$40 y$[/tex] C. [tex]$40 y+$[/tex][tex]$3 g$[/tex] D. [tex]$40 y-$[/tex][tex]$3 g$[/tex]

[Answered] The term controlled substance refers to: A. Any medication administered by a medication aide. B. A medication that is considered more likely to be abused. C. A prescription medication. D. Any medication not in pill form.

[Answered] The slope of $y=-5 x+1$ is $m=1$. True False

[Answered] True or False: Black birthing individuals have been profoundly adversely affected by systemic racism.