Questions in Grade High-school

Questions in Grade High-school

[Answered] What property is shown in the equation 0 ÷ –3 = 0? A. Division into zero property B. Identity property of division C. Negative one property of division D. Reciprocal property

[Answered] Read the following sentences. Select the answer if the underlined term in a sentence is used correctly. Choose all answers that are correct. A. Julius Caesar was assassinated in B.C. 44. B. William of Normandy crossed the English Channel and defeated King Harold II in A.D. 1066. C. Alexander the Great died in 323 B.C., or 323 B.C.E. D. Romulus Augustulus, the last Roman emperor, was taken prisoner by the German king Odovacar in A.D. 476, or C.E. 476.

[Answered] What is the pH of a solution with a concentration of [tex]2.4 \times 10^{-5}[/tex] molar [tex]H_3O^+[/tex]? Show or explain the work used to solve this problem.

[Answered] A 200 g block on a 50 cm long string swings in a circle. It is frictionless and swings at 75 rpm. What is its speed and the tension on the string?

[Answered] Express as a trinomial: [tex](2x – 3)(x + 7)[/tex]

[Answered] Julio is given $10 in allowance money. He heads down to the store and finds two games that he can buy. In comparing the prices of these goods, Julio is using money as a __________.

[Answered] In a destructive wave, ___. A. Backwash is stronger than swash. B. Swash is stronger than backwash. C. Water hits the beach in a straight line. D. Sand and small rocks are deposited by water.

[Answered] A population of black cats has been interbreeding. However, in one litter, a sole gray kitten is born. The successive generations now have a few gray cats. Which mechanism is responsible for introducing this new allele in the cat population? A. Gene selection B. Gene mutation C. Gene flow D. Genetic drift

[Answered] Given the function [tex]f(x) = 13x - 14[/tex], find the domain of [tex]f(x)[/tex].

[Answered] Which of these statements is correct with respect to pH? A) The pH of a solution remains constant with increasing basicity. B) The pH of a solution decreases gradually with increasing basicity. C) The pH of a solution increases gradually with increasing basicity.