Points on a straight shoreline, A and B , are separated by 700 yd . Observers at each point record the bearing to a ship at sea. The observer at point A locates the ship at N50°E , while the observer at point B notes the ship on a bearing of 50 ° W . If point A is due west of point 8, how far is the ship from each observer? Round to the nearest yard.
Points on a straight shoreline, A and B , are separated by 700 yd . Observers at each point record the bearing to a ship at sea. The observer at point A locates the ship at N50°E , while the observer at point B notes the ship on a bearing of 50 ° W . If point A is due west of point 8, how far is the ship from each observer? Round to the nearest yard.
Points on a straight shoreline,
A
and
B
, are separated by
700
yd
. Observers at each point record the bearing to a ship at sea. The observer at point
A
locates the ship at
N50°E
, while the observer at point
B
notes the ship on a bearing of
50
°
W
. If point
A
is due west of point 8, how far is the ship from each observer? Round to the nearest yard.
Consider the following system of equations, Ax=b :
x+2y+3z - w = 2
2x4z2w = 3
-x+6y+17z7w = 0
-9x-2y+13z7w = -14
a. Find the solution to the system. Write it as a parametric equation. You can use a
computer to do the row reduction.
b. What is a geometric description of the solution? Explain how you know.
c. Write the solution in vector form?
d. What is the solution to the homogeneous system, Ax=0?
2. Find a matrix A with the following qualities
a. A is 3 x 3.
b. The matrix A is not lower triangular and is not upper triangular.
c. At least one value in each row is not a 1, 2,-1, -2, or 0
d. A is invertible.
Find the exact area inside r=2sin(2\theta ) and outside r=\sqrt(3)
University Calculus: Early Transcendentals (4th Edition)
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