Questions in Grade High-school

Questions in Grade High-school

[Homework Help] A ball is thrown into the air with an upward velocity of 44 ft/s. Its height \( h \) in feet after \( t \) seconds is given by the function [tex]h = -16t^2 + 44t + 9[/tex]. What is the height of the ball after 2 seconds?

[Homework Help] A bottle contains 12 red marbles and 8 blue marbles. A marble is chosen at random and not replaced. Then a second marble is chosen at random. Determine the probability that the two marbles are not the same color.

[Homework Help] How long does water evaporation take? What factors influence it?

[Homework Help] Rewrite the following linear equation in slope-intercept form. Write your answer with no spaces. [tex]y + 2 = 4(x - 3)[/tex]

[Homework Help] The areas of two circles are \(36\pi\) and \(64\pi\). What is the ratio of the diameters? What is the ratio of the circumferences?

[Homework Help] Which number is 100 less than 38 tens?

[Homework Help] On average, Exante Express trains are 50 km/hr faster than Paral passenger trains. A Paral passenger train requires 60% more time than an Exante train to travel 1800 km from Matsay to Rawindi. Calculate the average speed of each train. Also, calculate the time it takes for each train to complete the journey.

[Homework Help] You sell pies at a farmers' market for $7.50 each. A group of 5 kids wants to pitch in equally to share one of your pies. How much will each of them need to pay to buy a whole pie together?

[Homework Help] If \(6x - 3 = -5x + 7\), then \(x = ?\)

[Homework Help] Find the distance between two parallel lines: [tex]x = 11[/tex] and [tex]x = 5[/tex].