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Tutors Answer Your Questions about Length-and-distance (FREE)
Question 1166355: Charlie has a collection of books that he wishes to display in a narrow
bookcase with shelves of width 56 cm. The thickest books are no more
than 16 cm wide and, when placed side by side, the entire collection takes
up 2.4m. Find, with justification, the minimum number of shelves required
to guarantee that all of the books can be displayed in the bookcase.
Click here to see answer by solver91311(24713)  |
Question 1166355: Charlie has a collection of books that he wishes to display in a narrow
bookcase with shelves of width 56 cm. The thickest books are no more
than 16 cm wide and, when placed side by side, the entire collection takes
up 2.4m. Find, with justification, the minimum number of shelves required
to guarantee that all of the books can be displayed in the bookcase.
Click here to see answer by ikleyn(52750)  |
Question 1166355: Charlie has a collection of books that he wishes to display in a narrow
bookcase with shelves of width 56 cm. The thickest books are no more
than 16 cm wide and, when placed side by side, the entire collection takes
up 2.4m. Find, with justification, the minimum number of shelves required
to guarantee that all of the books can be displayed in the bookcase.
Click here to see answer by math_helper(2461)  |
Question 1167170: An athlete whose event is the shot put releases a shot whose path is shown by the graph to the right is released at an angle of 45°, its height, f(x), in feet, can be modeled by f(x)= -0.02x^2 + 1.0x + 5.6, where x is the shot's horizontal distance, in feet, from its point of release
What is the shot's maximum horizontal distance, to the nearest tenth of a foot, or distance of the throw?
(I've tried using the quadratic formula to solve it but I cannot seem to get the decimal it wants.)
Click here to see answer by ikleyn(52750)  |
Question 1167338: A ball is thrown downward from a window in a tall building. Its position at time t in seconds is 2822st t= + where s is in meters. How long will it take the ball to fall 20 meters? (4)6.Solve Question #5 using Completing the Square method
Click here to see answer by ikleyn(52750)  |
Question 1167465: the brakes on a vehicle can slow it down at a rate of 15m/ssquared2 . remember that slowing down is also a rate of change of speed . if this vehicle is travelling at 40m/s how long would it take the brakes to bring the vehicle to a standstill
Click here to see answer by ikleyn(52750)  |
Question 1167466: the brakes on a vehicle can slow it down at a rate of 15m/s . remember that slwong down is also a rate of change of speed . if this vehicle is travelling at a speed of 40m/s . how long would it take the brakes to bring the vehicle to a standstill
Click here to see answer by ikleyn(52750)  |
Question 1167631: The cables of a horizontal suspension bridge are supported by two towers
120 feet apart and 40 feet high. if the cable is 10 feet above the floor of the
bridge at the center, find the equation of the parabola using the midpoint
of the bridge as the origin. Note: - A suspension bridge cable hangs in a
parabolic arc if the weight is distributed uniformly along a horizontal.
Click here to see answer by Alan3354(69443)  |
Question 1167840: A square and an equilateral triangle have the same perimeter. The area of the square is 13 more than the length of a side of the triangle. What is the length of a side in the triangle (in inches)? What is the area of the square (in square inches)?
Click here to see answer by Boreal(15235)  |
Question 1168887: You don't want to spend the winter shovelling snow so you decide to hire a local snow removal company. You know that most companies charge an initial fee and a fixed amount each time that they come to clear your driveway.
Olivia recommends that you use Company A. She doesn't remember the initial fee, but knows that it cost $20 Every time they came,she paid a total of $390 by the end of the winter and they came 17 times.
Kevin recommends that you use Company B. There was an initial fee of $125 but then it only cost $15 each time they came to clear the driveway.
When will it cost the same amount to choose either company? Which company would you choose and Why?
Click here to see answer by Theo(13342)  |
Question 1170057: Flying against the jetstream, a jet travels 5220 miles in 9 hours. Flying with the jetstream, the same jet travels 6120 miles in 6 hours. What is the rate of the jet in still air and what is the rate of the jetstream?
Click here to see answer by ikleyn(52750)  |
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