Cost analysis. A company with two different plants manufactures guitars and banjos. Its production costs for each instrument are given in the following matrices: Plant X Plant Y Guitar Banjo Guitar Banjo Materials Labor $47 $39 $90 $125 = A $56 $42 $84 $115 = B Find 1 2 A + B the average cost of production for the two plants
Cost analysis. A company with two different plants manufactures guitars and banjos. Its production costs for each instrument are given in the following matrices: Plant X Plant Y Guitar Banjo Guitar Banjo Materials Labor $47 $39 $90 $125 = A $56 $42 $84 $115 = B Find 1 2 A + B the average cost of production for the two plants
Solution Summary: The author calculates the average cost of production for the two plants 12(A+B).
Cost analysis. A company with two different plants manufactures guitars and banjos. Its production costs for each instrument are given in the following matrices:
Plant X
Plant Y
Guitar
Banjo
Guitar
Banjo
Materials
Labor
$47
$39
$90
$125
=
A
$56
$42
$84
$115
=
B
Find
1
2
A
+
B
the average cost of production for the two plants
sy = f(x)
+
+
+
+
+
+
+
+
+
X
3
4
5
7
8
9
The function of shown in the figure is continuous on the closed interval [0, 9] and differentiable on the open
interval (0, 9). Which of the following points satisfies conclusions of both the Intermediate Value Theorem
and the Mean Value Theorem for f on the closed interval [0, 9] ?
(A
A
B
B
C
D
=
Q6 What will be the allowable bearing capacity of sand having p = 37° and ydry
19 kN/m³ for (i) 1.5 m strip foundation (ii) 1.5 m x 1.5 m square footing and
(iii)1.5m x 2m rectangular footing. The footings are placed at a depth of 1.5 m
below ground level. Assume F, = 2.5. Use Terzaghi's equations.
0
Ne
Na
Ny
35 57.8 41.4 42.4
40 95.7 81.3 100.4
Q1 The SPT records versus depth are given in table below. Find qan for the raft 12%
foundation with BxB-10x10m and depth of raft D-2m, the allowable
settlement is 50mm.
Elevation, m 0.5 2
2 6.5 9.5 13 18 25
No.of blows, N 11 15 29 32 30 44
0
estigate shear
12%
Chapter 4 Solutions
Finite Mathematics for Business, Economics, Life Sciences and Social Sciences
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