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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 325029: Peggy’s Cove Lighthouse, in Nova Scotia, is possibly the most photographed lighthouse in the world. From the observation deck, the angle of depression of a boat is 6º. How far is the boat from the lighthouse, to the nearest metre? Click here to see answer by Alan3354(30993)

 Question 325030: Montreal’s Marathon building is 195m tall. From a point level with, and 48m away from, the base of the building, what is the angle of elevation of the top of the building, to the nearest degree? Click here to see answer by Alan3354(30993)

 Question 325031: A coast guard patrol boat is 14.8 km east of the Brier Island Lighthouse. A disabled yacht is 7.5km south of the lighthouse. a) How far is the patrol boat from the yacht, to the nearest tenth of a kilometer? Click here to see answer by ankor@dixie-net.com(15656)

 Question 325119: I need help trying to understand factoring binomials. I'm very stressed. Click here to see answer by Alan3354(30993)

 Question 325195: I need help factoring perfect square trinomials such as 25x^2-120+144 49x^2+84+36 Click here to see answer by checkley77(12569)

 Question 325748: The cross products of a proportion are ________ equal. A. always B. some times C. never Click here to see answer by stanbon(57374)

 Question 325856: A 2 lb rock is dropped from a bridge to the water that is 50 ft below. What is its kinetic energy at the moment it hits the water? Express your answer in US units to the nearest tenth of a unit. Click here to see answer by solver91311(16897)

 Question 325858: How much time is required to lift a 525 kg object 25.0 m with a motor that produces 2.50 kW? Round your answer to the nearest tenth of time unit. Click here to see answer by solver91311(16897)

 Question 325803: complete the given ordered pairs so that each ordered pair satisfies the given equation Click here to see answer by solver91311(16897)

 Question 325883: Use slope intercept form to write the equation of the line: passing through the points (5,6) and (7,10) Click here to see answer by nyc_function(2733)

 Question 325886: For the function f(x)=3x-5 and g(x)=x2+1, find g(f(c)) Click here to see answer by stanbon(57374)

 Question 325882: Use slope intercept form to write the equation of the line: perpendicular to y=(2/5)x+4 and passing through (6,-2) Click here to see answer by mananth(12270)

 Question 325873: What is the set notation of 5x+2>22 Click here to see answer by Edwin McCravy(8909)

 Question 325975: TWO ANGLES ARE Complementary the sum of measure of the first angle and half of the second is 69 find the measures of the angles what is the measure of the smaller angle? what is the measure of the other angle? Click here to see answer by mananth(12270)

 Question 325983: one canned juice drink is 25% orange juice; another is 10% orange juice. how many liters of each should be mixed together in order to get 15L THAT IS 24% ORANGE JUICE? HOW MANY LITERS OF 25% ORANGE JUICE SHOULD BE IN THE MIXTURE? How many liters of 10% orange juice should be in the mixture? Click here to see answer by mananth(12270)

 Question 326030: How much time is required to lift 525 kg object 25.0 m with a motor that produces 2.50 kW? Round your answer to the nearest tenth of a time unit. Click here to see answer by Fombitz(13828)

 Question 325979: determine whether the order pair is a solution of the inequality (-3,9)5x+y<-9 yes or no Click here to see answer by Fombitz(13828)

 Question 326094: I had 9th grade algebra in 8th grade and I got multiple F's and failed it in the end... I'm redoing it freshman year but I need help learning it Click here to see answer by checkley77(12569)

 Question 326193: How many factors are in the expression 5^3*5^6? Click here to see answer by rfer(12662)

 Question 326314: Solve the equation 4^(7x – 2) = 17^(x + 1). Round your answer to the nearest thousandth. I cant get the right answer for this.. I know you have to make the equation into 7x-2 log4= x+1 log17 but I'm not sure what to after Click here to see answer by Fombitz(13828)

 Question 326338: In the same garden, the length of rectangular garden is 12 ft and the width is (x+3)ft; a fence is needed. Write the equation that would represent the length of fencing needed. Click here to see answer by Fombitz(13828)

 Question 326398: A young equestrian loved to ride her horse all day long, dreaming of the day she would ride in the Kentucky Derby. One day in early April, she left home at 10:00 a.m. and rode her stallion at a nice, steady 10 miles per hour away from her house. At noon a call came in from the Derby saying she was in. Her father immediately jumped on his scooter to try and track her down and tell her the good news. Riding at a breezy 15 miles per hour, after how many hours on the scooter will her father catch up to her? Click here to see answer by solver91311(16897)

 Question 326325: solve the system of the equations by graphing than classify the system 2x-y=8 2x+3y=0 what is the solution of the system is the system consistent or inconsistent is the system dependent or independent Click here to see answer by Fombitz(13828)

 Question 326323: A bank offer two bank plan. The anywhere plan charge 30 cent per check. the Accucheck plan cost \$1.36 a month plus 22 cent per check. for what number of checks would the Accucheck plan cost less than the Anywhere plan? IS IT a 17 or more b less than 17 check c more than 17 checks d 17 check Click here to see answer by Fombitz(13828)