Choose the correct simplification of the expression (x^2y)^2

Mathematics

1 answer:

Ira Lisetskai [31]3 years ago

3 0

The simplified answer to this expression would be $x^{4} y^{2}$

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I need help with 64 and 65

Tcecarenko [31]

Answer:

65 would be C

Step-by-step explanation:

it wants you to find out how much was spent after 11 visits. 10 dollars is used each time so 11 times 10 is 110. 306 minus 110 equals 196. you would choose C instead of B because the 10 is the one being multiplied, not 306.

306-10x; $196

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Law Incorporation [45]

Answer:

Step-by-step explanation:

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3 years ago

Show work and Factor 4x^2+xy-18y^2

grigory [225]

Answer:

$4x^2+xy-18y^2=(4x+9y)\,(x-2y)$

Step-by-step explanation:

Let's examine the following general product of two binomials with variables x and y in different terms:

$(ax+by)\,(cx+dy)= ac\,x^2+adxy+bcxy+bdy^2$

so we want the following to happen:

$a\,c = 4\\ad+bc=1\\bd--18$

Notice as well that $ad+bc =1$ means that those two products must differ in just one unit so, one of them has to be negative, or three of them negative. Given that the product $bd=-18$ , then we can consider the case in which one of this (b or d) is the negative factor. So let's then assume that $a\,\,and \,\,c$ are positive.