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Kay [80]
3 years ago
11

Solve for x and y simultaneously:(3x-9y)²+(x+15)²=0​

Mathematics
1 answer:
Ymorist [56]3 years ago
4 0

Answer:

x = \frac{3(3iy+9y-5+15i)}{10}

y= -\frac{xi}{9} - \frac{5i}{3} + \frac{x}{3}

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Please help 7th grade math question? URGENT! awarding brainliest!
Ivenika [448]

correct Option is B i.e, 72x^2+288x^2-216x whose simplified form is: 360x^2-216x

Step-by-step explanation:

We need to solve the expression:

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Solving:

2[(6x)(6x)]+4[(12x - 9)(6x)]\\=2[36x^2]+4[(12x*6x)-(9*6x)]\\=72x^2+4[72x^2-54x]\\=72x^2+288x^2-216x\\=360x^2-216x

So, correct Option is B i.e, 72x^2+288x^2-216x whose simplified form is: 360x^2-216x

Keywords: Surface area of the rectangular prism

Learn more about surface area of the rectangular prism at:

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4 0
3 years ago
Charlotte has two job offers as a car sales person. The first job will pay her $600 a month plus 2% on the price of her car sale
Lana71 [14]
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vladimir2022 [97]

Answer:

last week = 150 minutes

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3 years ago
An asymptote is a line that the graph of a function ___
Dmitry [639]

Answer:

Option C. approaches but does not cross.

Step-by-step explanation:

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3 0
3 years ago
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