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Questions in Grade High-school

[Homework Help] Explain why an object in space may remain in motion at a constant velocity.

[Homework Help] The value of $n$ is a distance of 3 units from $1 \frac{1}{2}$ on a number line. Click on the number line to show the possible values of $n$.

[Homework Help] What is the difference of the polynomials? $\left(m^2 n^2-7\right)-(m n+4)$

[Homework Help] What did the Puntans form to establish their own New World colony? A. the Mayflower Compact B. the Virginia Company C. the Massachusetts Bay Company D. the Jamestown settlement

[Homework Help] What are the two solutions of $2 x^2=-x^2-5 x-1$? A. the $x$-coordinates of the intersection points of the graphs of $y=2 x^2$ and $y=-x^2-5 x-1$ B. the $x$-coordinates of the $x$ intercepts of the graphs of $y=2 x^2$ and $y=-x^2-5 x-1$ C. the $y$-coordinates of the $y$ intercepts of the graphs of $ \begin{array}{l} y=2 x^2 \text { and } \\ y=-x^2-5 x-1 \end{array} $ D. the $y$-coordinates of the intersection points of the graphs of $y=2 x^2$ and $y=-x^2-5 x-1$

[Homework Help] The price that a company charged for a basketball hoop is given by the equation $50-5 x^2$ where $x$ is the number of hoops that are produced, in millions. It costs the company $30 to make each basketball hoop. The company recently reduced its production to 1 million hoops but maintained its profit of 15 million dollars. Approximately how many basketball hoops did the company previously produce to make the same profit? A. 1.3 million hoops B. 1.4 million hoops C. 1.5 million hoops D. 3.0 million hoops

[Homework Help] Which expression is equivalent to $\left(4 x^5+11\right)^2$? A. $16 x^5+121$ B. $16 x^{10}+121$ C. $16 x^{10}+88 x^5+121$ D. $16 x^{25}+88 x^5+121$

[Homework Help] Select the correct answer. A volleyball player sets a volleyball straight up into the air. The height of the volleyball, [tex]h(t)[/tex], is modeled by this equation, where [tex]t[/tex] represents the time, in seconds, after that ball was set. [tex]h(t)=-16 t^2+20 t+6[/tex] The volleyball reaches its maximum height after 0.625 seconds. What is the maximum height of the volleyball? A. 11.625 feet B. 1.625 feet C. 8.5 feet D. 12.25 feet

[Homework Help] Use the distributive property to write an equivalent expression. [tex]8(5 m+5)[/tex]

[Homework Help] Mr. Green orders some cookies from a local youth group. Using his order form shown below, complete the last column to find the total to be paid. \begin{tabular}{|l|l|l|l|} \hline Quantity & Description & Unit Price & Total of Line \\ \hline 2 & Krispy Kosmos & \$2.89 & \$ \\ \hline 1 & Chewy Chocos & \$3.19 & \$ \\ \hline 1 & Gooey Globs & 2.99 & \$ \\ \hline & & & \\ \hline & & Total & \$ \\ \hline & & 5.8\% tax & \$ \\ \hline & & Total to be paid & \$ \\ \hline \end{tabular} a. $9.60 b. $11.96 c. $12.65 d. $18.90