Questions in Grade High-school

Questions in Grade High-school

[Homework Help] Is the equation \(4a + b - 3 = 2b\) a linear equation?

[Homework Help] Why do chloride ions move to the positive electrode?

[Homework Help] When you hit a nail into a board using a hammer, the head of the nail gets warm. In terms of kinetic and thermal energy, describe why you think this happens.

[Homework Help] Boron found in nature has an atomic weight of 10.811 and is made up of the isotopes [tex]^{10}B[/tex] (mass 10.013 amu) and [tex]^{11}B[/tex] (mass 11.0093 amu). What percentage of naturally occurring boron is made up of [tex]^{10}B[/tex] and [tex]^{11}B[/tex] respectively? a. 30:70 b. 25:75 c. 20:80 d. 15:85

[Homework Help] A stack of 55 business cards is 1.85 cm tall. Use this information to determine the thickness of one business card.

[Homework Help] The planet Pluto has \(\frac{1}{500}\) the mass and \(\frac{1}{15}\) the radius of Earth. What is the value of \(g\) on the surface of Pluto? A. 0.3 m/s\(^2\) B. 1.6 m/s\(^2\) C. 2.4 m/s\(^2\) D. 4.5 m/s\(^2\) E. 7.1 m/s\(^2\)

[Homework Help] evaluate each function

[Homework Help] Is 2.99 greater than 3.51?

[Homework Help] What is \(\frac{1}{5}\) divided by 5?

[Homework Help] A salesperson at a clothing store earns a 2% commission on all sales. How much commission does the salesperson earn on a $300 sale?