Answer:
the matrix described in the question is a linearly independent matrix, and linearly dependent matrix has a unique solution. <em>see further explanation below</em>
Step-by-step explanation:
For any matrix to have a pivot column in all its column, it means that the matrix must be linearly dependent
Thus, as the columns are linearly independent , the system of equation have a unique solutions
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The Surface area of the figure is 520 square centimeters
<h3 /><h3>How to calculate the surface area of a figure</h3>
The figure is made up of rectangular prisms
The formula for calculating the surface area of rectangular prism is expressed as:
SA = 2(lw + wh + lh)
l is the length
w is the width
h is the height
Surface area of the figure = 2(2(8) + 2(14) + 8(14)) + 2(6(8) + 6(4) + 8(4))
Surface area of the figure = 2(16+28+112) + 2(48 + 24+32)
Surface area of the figure = 312 + 208
Surface area of the figure = 520 square centimeters
Hence the Surface area of the figure is 520 square centimeters
Learn more on surface area of composite figure here: brainly.com/question/26736468
The value of x from the expression is 2.083
<h3>Equations and expressions</h3>
Given the equation expressed as:
Subtract 14,8 from both sides
32.3 - 14.8 = 14.8 - 14.8 + 8.4x
17.5 = 8.4x
x = 17.5/8.4
x = 2.083
Hence the value of x from the expression is 2.083
Learn more on equation here: brainly.com/question/10731789
