Questions in Grade High-school

Questions in Grade High-school

[Done] How do you decide whether an observed property of matter is a physical or a chemical property?

[Done] Solve by substitution: \[ y = 6x - 11 \] \[ -2x - 3y = -7 \]

[Done] An electron is very far away from a proton (fixed in place) and is released from rest. How fast will the electron be traveling when it is 0.03 m away from the proton?

[Done] Line AB contains points (2,1) and (-1,-8). What is the equation of the line parallel to line AB that contains the point (0,2)?

[Done] Can someone help me? Plzzzzz :c I need it for tmw I'll be soo happy if someone help me Mike purchased 3 DVD's and 14 video games for $203. Nick went to the same store and brought 11 DVD's and 11 video games for $220. How much is each video game and each DVD?

[Done] Write a fraction with a decimal value between [tex]\frac{1}{2}[/tex] and [tex]\frac{3}{4}[/tex]. Write both the fraction and the equivalent decimal.

[Done] What is a rational number between [tex]\frac{1}{8}[/tex] and [tex]\frac{1}{4}[/tex]?

[Done] Mr. Graceson preached an average of 3.5 times per week during their first year of traveling. His wife taught an average of 2 times per week. Altogether, how many times did they minister God's Word during the 46 weeks?

[Done] What is a rational number between \(\frac{1}{6}\) and \(\frac{1}{12}\)?

[Done] How do I solve this system of equations by elimination? \[ \begin{align} 5x + y &= 0 \\ 5x + 2y &= 30 \end{align} \]