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Questions in Grade High-school

📝 Answered - A chemist wants to calculate the amount of heat that is absorbed by a sample of copper as it is melted. Which constant should she use? A. [tex]$\Delta H_{\text {fus }}$[/tex] B. [tex]$-\Delta H_{\text {vap }}$[/tex] C. [tex]$\Delta H_{\text {vap }}$[/tex] D. [tex]$-\Delta H_{\text {fus }}$[/tex]

📝 Answered - $\frac{8^5}{8^7} \cdot \frac{10^3}{10^5} \cdot 0^6$

📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

📝 Answered - $1 = 0.3x - 0.7x - 19

📝 Answered - The ability to reason well is necessary for modern workers because: A. Communication with other workers will be difficult. B. Creativity is not valued in the modern workplace. C. They will often have to solve problems with limited information. D. Most problems will be straight-forward and easy to solve.

📝 Answered - Solve for x. $3(-3 x-1)+5 x+4=-15$

📝 Answered - 2. Convert using an equation. Use your meter strip when it helps you. a. 4 meters to millimeters [tex]$\qquad$[/tex] m = [tex]$\qquad$[/tex] mm

📝 Answered - What are the roots of the polynomial equation $x^3-10 x=-3 x^2+24$?

📝 Answered - Two fruit flies that are heterozygous for body color and eye color are crossed. Brown body color is dominant to black body color. Red eye color is dominant to brown eye color. Determine the genotypes of offspring 1-8. 1 $\square$ 2 $\square$ 3 $\square$ 4 $\square$ 5 $\square$ 6 $\square$ 7 $\square$ 8 $\square$ \begin{tabular}{l|c|c|c|c|} \multicolumn{1}{c}{} & \multicolumn{1}{c}{ BE } & \multicolumn{1}{c}{ Be } & \multicolumn{1}{c}{ bE } & \multicolumn{1}{c}{ be } \ \multicolumn{1}{l}{ BE } & 1 & BBEe & BbEE & 2 \ \multicolumn{1}{c|}{$B e$} & $B B E e$ & 3 & $B b E e$ & $B b e e$ \ \multicolumn{1}{c|}{$b E$} & 4 & $B b E e$ & 5 & 6 \ \hline$b e$ & $B b E e$ & 7 & $b b E e$ & 8 \ \cline { 2 - 5 } \end{tabular}

📝 Answered - [tex]\frac{2 x+3}{3}+\frac{3 x-4}{6}=\frac{x-2}{2}[/tex]