Questions in Grade High-school

Questions in Grade High-school

[Homework Help] What change will a pebble usually undergo when it is transported a great distance by streams?

[Homework Help] Which statement most accurately describes the behavior of a catalyst? A. A catalyst increases the ∆G of a reaction and hence the forward rate. B. A catalyst reduces the ∆H of a reaction and hence the temperature needed to produce products. C. A catalyst reduces the activation energy for a reaction and increases the rate of a reaction. D. A catalyst increases the equilibrium constant and final product concentrations.

[Homework Help] Solve \( 8m^2 + 20m = 12 \) for \( m \) by factoring. Please show all work.

[Homework Help] Ryker is given the graph of the function \( y = \frac{1}{2}x^2 - 4 \). He wants to find the zeros of the function but is unable to read them exactly from the graph. Find the zeros and give the answer to the nearest tenth.

[Homework Help] What is the solution for [tex]6r^2 - 10r - 24 = 0[/tex]?

[Homework Help] An energy value of \(3.313 \times 10^{-19}\) joules is needed to break a chemical bond. What is the wavelength of energy needed to break the bond? (The speed of light, \(c\), is \(3.00 \times 10^{10}\) cm/sec; Planck’s constant, \(h\), is \(6.626 \times 10^{-34}\) J⋅sec). A. \(5.00 \times 10^{18}\) cm B. \(1.00 \times 10^{15}\) cm C. \(2.00 \times 10^{5}\) cm D. \(6.00 \times 10^{-5}\) cm E. \(1.20 \times 10^{-8}\) cm Can someone explain to me how to solve this step by step?

[Homework Help] If a square has an area of 81 square units, how long is each side?

[Homework Help] How did Roosevelt's policies help the conservation of natural resources?

[Homework Help] Peter and Rosemary Grant: A. Spent more than 30 years studying Darwin’s tortoises. B. Studied the migration of the camel. C. Actually observed evolution by natural selection taking place. D. All of the above.

[Homework Help] the problem says find equivalent expressions that have the LCD picture of problem below