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Marina CMI [18]
3 years ago
8

Find x3 - 2y2 - 3x3 + z4 if x = 3, y = 5, and z = -3.

Mathematics
2 answers:
zloy xaker [14]3 years ago
6 0
So will be 27 -50 - 81 +81 = - 23

hope this will help you 
Goshia [24]3 years ago
3 0
Substitute the given values for x, y, and z in the expression,
                         x³ - 2y² - 3x³ + z^4
                         3³ - 2(5)² - 3(3³) + (-3)^4
The numerical value for the expression is -23. This is the third among the choices. 
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Answer:35in.

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I reccomend splitting it into sections when given problems like this.

The smaller two rectangles would be 5in * 2in which is 10in then just add them together.

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