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tresset_1 [31]
2 years ago
14

X3 − 2y2 − 3x3 + z4 if x = 3, y = 5, and z = −3

Mathematics
2 answers:
Andre45 [30]2 years ago
4 0
X³ - 2y² - 3x³ +z^4
(substitute the values)

3³ - 2(5)² - 3(3)³ + (-3)^4
27 - 10² - 9³ + 81
27 - 100 - 729 + 81
-73 - 648
-721

So, the answer is -721

HOPE THIS HELPS!!!!
Olenka [21]2 years ago
4 0
9 - 10 - 27 + -12 = -40
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PLEASE HELP ME!<br> Drag the expressions into the boxes to correctly complete the table.
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<em><u>The polynomials are:</u></em>

x^4+3x^3-5x^2-7x+20

x^3-2x^2+x-12

x^2+3x^5-6x+12x^3

<em><u>Not a polynomial are:</u></em>

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<em><u>Solution:</u></em>

Polynomial is an expression with variables and coefficients,

Which involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables

<em><u>Option 1</u></em>

4\sqrt[3]{x} -\sqrt{x}  -20

Polynomial does not include roots

This is not a polynomial equation

<em><u>Option 2</u></em>

x^4+3x^3-5x^2-7x+20

This is polynomial expression involving addition and subtraction between terms with non-negative integer exponents of variables

<em><u>Option 3</u></em>

\frac{5}{x^3}-\frac{1}{x^2}+\frac{8}{x}-40

This is not a polynomial. This equations involves negative integer exponents of variables

<em><u>Option 4</u></em>

x^3-2x^2+x-12

This is a polynomial involving addition and subtraction between terms with non-negative integer exponents of variables

<em><u>Option 5</u></em>

x^{-3}-x^{-2}-6x^{-1}+8

This is not a polynomial. This equations involves negative integer exponents of variables

<em><u>Option 6</u></em>

x^2+3x^5-6x+12x^3

This is a polynomial involving addition and subtraction between terms with non-negative integer exponents of variables

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Kimmy’s balance in December will be $486.98.

Explanation:
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The balance is $381.15 in September.
381.15 + 87.83 = 468.98
The balance In December is $486.98.
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