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Questions in Grade High-school

📝 Answered - [tex]\frac{183+892}{10.4 \times 8.75}[/tex] Write down your full calculator display. Write your answer to 3 significant figures

📝 Answered - The town librarian bought a combination of new-release movies on DVD for $20 and classic movies on DVD for $8. Let [tex]x[/tex] represent the number of new releases, and let [tex]y[/tex] represent the number of classics. If the librarian had a budget of $500 and wanted to purchase as many DVDs as possible, which values of [tex]x[/tex] and [tex]y[/tex] could represent the number of new-release and classic movies bought? A. [tex]x=8, y=45[/tex] B. [tex]x=10, y=22[/tex] C. [tex]x=16, y=22[/tex] D. [tex]x=18, y=18[/tex]

📝 Answered - Combine like terms. $x y+1-y+x y$

📝 Answered - A chipmunk can run [tex]$5 m / s$[/tex]. A fox can run [tex]$8 m / s$[/tex]. If the chipmunk and fox start running at the same time, will the chipmunk make it to its burrow in time? [tex]$\longleftarrow 20 m$[/tex] chipmunk [tex]$ \qquad$[/tex] 30 m [tex]$ \qquad$[/tex] fox

📝 Answered - Which of the following is a replacement drug?

📝 Answered - The monthly mean salaries and standard deviations of four college students are given below. \begin{tabular}{|c|c|c|} \hline Student & Mean & Standard Deviation \\ \hline Clarissa & $345 & 12.53 \\ \hline Abi & $598 & 8.99 \\ \hline Kaila & $812 & 15.29 \\ \hline Shenika & $208 & 7.67 \\ \hline \end{tabular} Which statement must be true? A. The monthly salary of Shenika is less spread out than the monthly salary of Clarissa. B. The monthly salary of Kaila is less spread out than the monthly salary of Abi. C. The monthly salary of Abi is less spread out than the monthly salary of Shenika. D. The monthly salary of Clarissa is less spread out than the monthly salary of Abi.

📝 Answered - If [tex]BD = 7x - 10[/tex], [tex]BC = 4x - 29[/tex], and [tex]CD = 5x - 9[/tex], find each value. [tex] x = ? BC = ? CD = ? BD = ? [/tex]

📝 Answered - Which represents the inverse of the function [tex]f(x)=4 x[/tex]? A. [tex]h(x)=x+4[/tex] B. [tex]h(x)=x-4[/tex] C. [tex]h(x)=\frac{3}{4} x[/tex] D. [tex]h(x)=\frac{1}{4} x[/tex]

📝 Answered - Write each product or quotient in exponential form. 1. [tex]$10 \times 10 \times 10 \times 10 \times 10=$[/tex] ?

📝 Answered - Evaluate the following. If [tex]$f(x)=-(3 x+7)$[/tex], what is [tex]$f(8)$[/tex]?