3 years ago

How many terms are in the expression 3x^2y^4z-6xy-3z(5x^2)

Mathematics

1 answer:

tresset_1 [31]3 years ago

5 0

3x^2y^4z - 6xy - 3z(5x^2) has three terms.

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2 years ago

How many solutions does the system have?

Mrac [35]

Answer:

A Exactly one solution

Step-by-step explanation:

$\left \{ {{6x-3y=9} \atop {6x+y=9}} \right.\\\\\left \{ {{6x-3y=9} \atop {-6x-y=-9}} \right\\\\Then, \\\\-4y=0\\\\\\ y=0\\\\$

Putting y=0 at second equation, we have

$-6x=-9\\\\x=\frac{9}{6} =\frac{3}{2}$

The unique solution is $(\frac{3}{2} , 0)$

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3 years ago

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2 years ago

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