Questions in Grade High-school

Questions in Grade High-school

[Homework Help] The function [tex]f(t) = -5t^2 + 20t + 60[/tex] models the approximate height of an object \( t \) seconds after it is launched. How many seconds does it take the object to hit the ground?

[Homework Help] Show that the equation [tex]9x^2 - 17x - 85 = 0[/tex] provides solutions accurate to three significant figures. There are two possible answers for [tex]x[/tex].

[Homework Help] Because the majority of the evening cable TV programs available dealt with violence and sex, the parents decided that the programs were __________ for the children to watch. (A) exclusive (B) acceptable (C) instructive (D) inappropriate (E) unnecessary

[Homework Help] The novel Uncle Tom’s Cabin, which effectively ______ the unfairness toward black people, was a major influence in the antislavery movement. A. portrayed…strengthening B. attacked…pacifying C. glamorized…launching D. viewed…appraising E. exposed…condemning

[Homework Help] What was the Islamic Golden Age?

[Homework Help] How did the Allies hide their D-Day invasion plan from the Germans?

[Homework Help] In what situation does friction make an object change its shape?

[Homework Help] In the top row of a chessboard, Tom writes the values 1, 2, 4, 8, 16, 32, 64, 128. In the leftmost column, Tom writes the values 1, 3, 9, 27, 81, 243, 729, 2187. In every other square that doesn't have a number yet, Tom writes the product of the leftmost number in that square's row and the topmost number in that square's column. What is the sum of all the numbers on the chessboard?

[Homework Help] A swimming pool holds 375,000 liters of water. Two large hoses are used to fill the pool. The first hose fills at a rate of 1,500 liters per hour, and the second hose fills at a rate of 2,000 liters per hour. How many hours does it take to fill the pool completely?

[Homework Help] How do you find the interior angles of a triangle if only one angle is given?