36. A 900 cm' open box is made by cutting 4 cm X 4 cm squares out of each corner of a square piece of cardboard and folding up the remaining edges. How long is each side of the original piece of cardboard? What are the dimensions of the box?
36. A 900 cm' open box is made by cutting 4 cm X 4 cm squares out of each corner of a square piece of cardboard and folding up the remaining edges. How long is each side of the original piece of cardboard? What are the dimensions of the box?
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 6ECP: The resistance of a copper wire carrying an electrical current is directly proportional to its...
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how do you do 36?
Transcribed Image Text:Using the formula h =-16t + vt + h, determine the time it takes for an object to fall from ea
Assume no initial vertical velocity and negligible air resistance. Use a calculator and round ansy
nearest tenth of a second.
32. 9200 ft
33.4500 ft
31. 7000 ft
34. Derive a formula for the time, t, it takes for an object to free-fall from a height of h, ft.
Write a quadratic equation and solve.
35. Find the distance from home plate to second base on an official
Little League Baseball field.
36. A 900 cm' open box is made by cutting 4 cm X 4 cm squares out
of each corner of a square piece of cardboard and folding up the
remaining edges. How long is each side of the original piece of
cardboard? What are the dimensions of the box?
60'
37. The manufacturer of an impulse sprinkler advertises 8500 ft² of
coverage. What is the radius (to the nearest tenth of a foot) of the
circular area that can be watered by this sprinkler?
38. A 30 ft tall cylindrical silo has a capacity of 3393 ft’. What is the
diameter of the silo?
204
CHAPTER 5
QUADRATIC EQUATIONS
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