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marta [7]
1 year ago
7

Factorize: x^2y^2+4xy+4​

Mathematics
1 answer:
azamat1 year ago
3 0

{x}^{2}  {y}^{2}  + 4xy + 4 \\ (xy + 2) ^{2}  \\ (xy + 2)(xy + 2) \\

PLEASE GIVE BRAINLIEST

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The amount of time (t) in minutes it takes Jeff to mow an average sized yard is related to (n) the number of yards he mows. The
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Answer:

Jeff mows 9 yards of lawn in 30 minutes

Step-by-step explanation:

The equation that models the amount of time (t) in minutes it takes Jeff to mow an average sized yard is t=2n+12, where n is the number of yards he mows.

To find the number of yards Jeff mows in 30 minutes, we set the equation to 30 and solve for n.

\implies 2n+12=30

Add -12 to both sides:

\implies 2n=30-12

\implies 2n=18

Divide both sides by 2

\implies \frac{2n}{2}=\frac{18}{2}

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Hence Jeff mows 9 yards of lawn in 30 minutes.

4 0
3 years ago
The average distance in kilometers between the sun and earth is 150,000,000. How is this number expressed in scientific notation
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4 0
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Sloan [31]

Answer:

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2 years ago
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Sand and gravel are mixed in the ratio 5:3 to form ballast.
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Work Shown:

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