A zip line is to be built between two towers labeled A and B across a wetland area. To approximate the distance of the zip line, a surveyor marks a third point C, a distance of 175 ft from one end of the zip line and perpendicular to the zip line. The measure of ∠ A B C is 74.5 ∘ . How long is the zip line? Round to the nearest foot.
A zip line is to be built between two towers labeled A and B across a wetland area. To approximate the distance of the zip line, a surveyor marks a third point C, a distance of 175 ft from one end of the zip line and perpendicular to the zip line. The measure of ∠ A B C is 74.5 ∘ . How long is the zip line? Round to the nearest foot.
A zip line is to be built between two towers labeled A and B across a wetland area. To approximate the distance of the zip line, a surveyor marks a third point C, a distance of 175 ft from one end of the zip line and perpendicular to the zip line. The measure of
∠
A
B
C
is
74.5
∘
. How long is the zip line? Round to the nearest foot.
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)
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
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