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Tutors Answer Your Questions about Length-and-distance (FREE)
Question 908904: Giraldo is building a tent. He has two 3-foot long poles. He also has a 5-foot pole, a 6-foot pole. He wants to make a triangular shaped doorframe for the tent using the 3-foot poles and one other pole. Which of the other poles could be used for the base of the door?
Click here to see answer by JulietG(1812)   |
Question 910873: A model rocket is shot vertically upward with an initial velocity of 288 ft./sec. The function given by h(t) = -16t2 + 128t relates the rocket’s height h(t) in feet to the time t after launch, in seconds. Find h(0) Find h(5) Find the t-intercepts and interpret their meaning in the context of the problem Find the times at which the rocket is at a height of 1152 feet.
Click here to see answer by Alan3354(69443)  |
Question 910873: A model rocket is shot vertically upward with an initial velocity of 288 ft./sec. The function given by h(t) = -16t2 + 128t relates the rocket’s height h(t) in feet to the time t after launch, in seconds. Find h(0) Find h(5) Find the t-intercepts and interpret their meaning in the context of the problem Find the times at which the rocket is at a height of 1152 feet.
Click here to see answer by ewatrrr(24785)  |
Question 910876: An object is dropped from the top of a building that is 144 ft high. The function given by h(t) = -16t2 + 144 relates the height h(t) of the object, In feet, to the time t in seconds after it is dropped. Find h(0) – interpret the meaning Find the t-intercepts and interpret the meaning
Click here to see answer by ewatrrr(24785) |
Question 915981: house a's coordinate is (-5,10) and house b's coordinate is (-3,6). the property line is located exactly halfway between the two houses. it is also perpendicular to the line segment joining the two houses. please help find the equation of the property line.
Click here to see answer by stanbon(75887) |
Question 919663: Once a year Julian travels from his home 'A' to the stadium 'D' a total distance of 96km.For the first part of his journey he was given a lift from A to B which are 40km apart.He then walked for 1 hour at a speed of ykm/h to C.Then he rode a bicycle for 2 hours at a speed which is three times his walking speed to D.
1. Write down an expression for the cycling speedin terms of y, and then find y in km/h.
2. Calculate his average speed in km/h for the journey BCD.
Click here to see answer by mananth(16946)  |
Question 921257: The lines y=x and y=2x-5 intersect at the point a . Find the equation of the line with gradient 2/5 that passes through the point A . ( I have a maths test soon would be very helpful and appreciated if I can get the answer and the working out on how to do this )
Click here to see answer by stanbon(75887) |
Question 921283: A ferry moves up and down a river between Town A and B. It takes the ferry two hours to reach Town A and only an hour and thirty minutes to return to Town B. If the river current is 5 mph how far apart are the two cities?
Click here to see answer by josmiceli(19441)  |
Question 921441: An athlete covers a total distance of 32km frpm point C to point S. First he walks at a speed of 6km/hr to point G. He finally runs at a speed, which is three times as fast as before, for 12km from point G to S.
1.Calculate the total time in hours taken to complete journey CS.
I worked out the time it took from CG using simple proportion and it came to 3.33. Do I have to change it to hours and minutes or is it correct as it is?
Click here to see answer by stanbon(75887) |
Question 922122: Peter is the owner of a hotel. He has found that when he charges the nightly cost of $124, the average occupancy is 412. In addition, Peter has found that with every $10 increase in the average nightly cost, the hotel occupancy decreases by an average of 15.
Which of the following functions describes the hotel's profit in terms of x, the number of $10 increases over $124?
A. P(x) = $51,088 - $1,448x - $150x^2
B. P(x) = $51,088 + $5,980x + $150x^2
C. P(x) = $51,088 + $2,260x - $150x^2
D. P(x) = $51,088 - $1,960x - $150x^2
Click here to see answer by stanbon(75887) |
Question 923716: Plane A flies from airport A to airport B with 800 km/h. Plane B flies from airport B to airport A with 900 km/h. The distance between the 2 airports is 425 km. How long does it take before the 2 airplanes come across each other?
Click here to see answer by TimothyLamb(4379)  |
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