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loris [4]
3 years ago
14

Help asap please 50 points

Mathematics
2 answers:
Marysya12 [62]3 years ago
6 0

Answer:

Step-by-step explanation:

Bro this is hard and i think this is on a test so... i dont know lol thanks for the 25 points

Allushta [10]3 years ago
6 0

Answer:

The area of rectangle is 8 x ² y ².

Step-by-step explanation:

<h3>Given that :- </h3>
  • Measure of side A of rectangle is 2 xy
  • Side B measure twice the length of side A = 2 × ( 2xy ) = 4 xy

<h3>To Find :-</h3>

➛ Area of rectangle

<h3>Formula Used :-</h3>

➛ Area of rectangle = Length × Breadth

<h3>Solution :-</h3>

Firstly we need to find Breadth of rectangle

Using Formula

Area of rectangle = Length × Breadth

Where

Length of rectangle = 2xy

Breadth of rectangle = 2 × 2xy = 4 xy

Substituting the values into the Formula

Area of rectangle = 2 xy × 4 xy

multiply, we get

Area of rectangle = 8 x² y²

Therefore, Area of rectangle is 8 x ² y ².

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Answer:

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Step-by-step explanation:

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Novay_Z [31]

Answer:

x=\pm \sqrt{11} \\y=-4.

Step-by-step explanation:

\left \{ {{3x^2+4y=17} \atop {2x^2+5y=2}} \right. \\\\Then\\\\\left \{ {{2 \times (3x^2+4y)=2 \times 17} \atop {3\times(2x^2+5y)=3\times2}} \right. \\\\\left \{ {{6x^2+8y=34 \quad (1)} \atop {6x^2+15y=6\quad (2)}} \right.\\\\(1)-(2) \Rightarrow -7y=28 \Rightarrow y =-4.\\Since \: \:  2x^2+5y=2 \Rightarrow 2x^2=2-5y\\\Rightarrow 2x^2=2+20=22\\\Rightarrow x^2=22:2=11\\\Rightarrow x=\pm \sqrt{11}.

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3 years ago
Danielle borrowed $125 to pay for school books. She needs to pay it back with interest in 2 years. Danielle wants to figure out
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Answer:

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Step-by-step explanation:

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Serggg [28]
I believe it is the first 1

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