Work each problem. Patterns in Floor Tiling A square floor is to be tiled with square tiles as shown. There are blue tiles on the main diagonals and red tiles everywhere else. In all cases, both blue and red tiles must be used, and the two diagonals must have a common blue tile at the center of the floor. (a) If 81 blue tiles will be used, how many red tiles will be needed? (b) For what numbers in place of 81 would this problem still be solvable? (c) Find an expression in k giving the number of red tiles required in general.
Work each problem. Patterns in Floor Tiling A square floor is to be tiled with square tiles as shown. There are blue tiles on the main diagonals and red tiles everywhere else. In all cases, both blue and red tiles must be used, and the two diagonals must have a common blue tile at the center of the floor. (a) If 81 blue tiles will be used, how many red tiles will be needed? (b) For what numbers in place of 81 would this problem still be solvable? (c) Find an expression in k giving the number of red tiles required in general.
Patterns in Floor Tiling A square floor is to be tiled with square tiles as shown. There are blue tiles on the main diagonals and red tiles everywhere else. In all cases, both blue and red tiles must be used, and the two diagonals must have a common blue tile at the center of the floor.
(a) If 81 blue tiles will be used, how many red tiles will be needed?
(b) For what numbers in place of 81 would this problem still be solvable?
(c) Find an expression in k giving the number of red tiles required in general.
Show that the Laplace equation in Cartesian coordinates:
J²u
J²u
+
= 0
მx2 Jy2
can be reduced to the following form in cylindrical polar coordinates:
湯(
ди
1 8²u
+
Or 7,2 მ)2
= 0.
Draw the following graph on the interval
πT
5π
< x <
x≤
2
2
y = 2 cos(3(x-77)) +3
6+
5
4-
3
2
1
/2 -π/3 -π/6
Clear All Draw:
/6 π/3 π/2 2/3 5/6 x 7/6 4/3 3/2 5/311/6 2 13/67/3 5
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Determine the moment about the origin O of the force F4i-3j+5k that acts at a Point A. Assume that the position vector of A is (a) r =2i+3j-4k, (b) r=-8i+6j-10k, (c) r=8i-6j+5k
Chapter 10 Solutions
Mathematical Ideas (13th Edition) - Standalone book
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