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3 years ago

SOMEONE DO THIS QUICKLY! ITS DUE IN AN HOUR

Mathematics

1 answer:

Mandarinka [93]3 years ago

7 0

Answer:

10. Y=151°

Z=29°

X=29°

11.

y: 61°

X: 151°

z:119°

12.

y:125°

x:55°

z:55°

13.63°

14.115°

15.131°

16.X=13°

17.X=4°

18.X=21°

19= X=7°

20= X=12°

21= X=9

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PLEASE HELP!!20 pts question

Molodets [167]

value of x is x=2, x=-2 and x=0

Step-by-step explanation:

Let a = x^2+4. Use a to find the solution for the following equation:

$(x^2+4)^2+32=12x^2+48$

Solving

$(x^2+4)^2+32=12x^2+48$

Taking 12 common from LHS

$(x^2+4)^2+32=12(x^2+4)$

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Factoring the equation

$a^2-8a-4a+32=0\\a(a-8)-4(a-8)=0\\(a-8)(a-4)=0\\a-8=0\,\,and\,\,a-4=0\\a=8\,\,and\,\,a=4\\$

Putting value of a i.e x^2+4

$x^2+4=8\,\,and\,\,x^2+4=4\\x^2=8-4\,\,and\,\,x^2=4-4\\x^2=4\,\,and\,\,x^2=0\\Taking\,\,square\,\,root\,\,at:\\x=\pm 2\,\,and\,\,x=0\\$

So, value of x is x=2, x=-2 and x=0

Keywords: Solving Equations

Learn more about Solving Equations at:

#learnwithBrainly

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