Answer a Question

1)

\fA 22 foot ladder leans against a building so that the angle between the ground and the ladder is 79. How high does the ladder reach up to the side of building? Round to one decimal place. t Determine the amplitude and period of the function shown in this graph: 3 -3 2 - Leave your answers in exact form; if necessary, type pi for pi . amplitude= period=Match up each graph with its equation. A: f(ac) = 3 . sin(3 . x) + 2 B: f(a) = sin(ac) C: D: f(x) = 3 . cos(3 . ac) + 1 f(x) = 3 . sin( - a) - 1 E: f(a) = 4 . cos(3 . x) - 2 F: f(x) = sin(3 . a) G: None 4 3 2 TC 3TC/2 2 TC Q - C\fA frozen hot dog at 320 Fahrenheit is placed in a room at 700 Fahrenheit. After 15 minutes, the temperature of the hot dog is 300 Fahrenheit. (a) Find the value for k in Newton's Law of Cooling. Round your answer to the nearest thousandth. (b) What will the temperature of the hot dog be after 45 minutes? Round your answer to the nearest degree. d" O Fahrenheit (c) How long will it take for the hot dog to reach 60 Fahrenheit? Round your answer to the nearest tenth of a minute. minutes Jessie wants to clean his second story windows and plans to buy a ladder that will reach at least 18 feet high. If he leans the ladder against the house so that the base of the ladder makes a 59.50 angle with the ground, how long of a ladder should he buy? Please round to one decimal place. A p: | b B a. C Note: Triangle may not be drawn to scale. Suppose A = 76 degrees and b = 5. Find: Give all answers to at least two decimal places. Give angles in degrees The picture shows an angle 0 g (9