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3 years ago

6

Factor the polynomial. 2x3 + 4x2 + 8x

1 answer:

Wewaii [24]3 years ago

4 0

The answer is c because you is multpliying

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Write an appropriate inverse variation equation if y = 9 when x = 3.

pav-90 [236]

$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\begin{cases}
y=9\\
x=3
\end{cases}\implies 9=k3\implies \cfrac{9}{3}=k\implies \boxed{3=k}
\\\\\\
thus\qquad y=3x$

3 0

3 years ago

What is the area of the rectangle?

Sveta_85 [38]

Answer:

B

Step-by-step explanation:

Area = L * W

L = 12 m

W = 10 m

Area = 12 m * 10 m

Area = 120 m^2

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3 years ago

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What value(s) of x make the equation x2 - 18x + 81 = 0 true?

gayaneshka [121]

X^2 - 18x + 81 = 0
x^2 - 9x - 9x + 81 = 0
x(x - 9) - 9(x - 9) = 0
(x - 9)(x - 9) = 0
(x - 9)^2 = 0
x - 9 = 0
x = 9

8 0

3 years ago

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Please help me on these questions!!! Also, show your work so I can see how you did it so that I can learn how to do this stuff t

Crazy boy [7]

Answer:

c is the answer and g

Step-by-step explanation:

5 0

3 years ago

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can someone show me an example of the product that two irrational nembers will not equal irrational number.....is this possible

kobusy [5.1K]

$\sqrt{2} *\sqrt{2}=\sqrt{4}=2$

the square root of two is irrational

the sqare root of four is rational

5 0

4 years ago