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2 years ago

HELP ME ASAP!!!!!!!!!!!!! FIRST ONE TO ANSWER GETS BRAINYEST

Mathematics

2 answers:

Vlad [161]2 years ago

8 0

Answer:

Step-by-step explanation:

3+9=12 cards

12/2=6

Alexus [3.1K]2 years ago

7 0

Answer:

they will have 6

Step-by-step explanation:

3+9=12

12/2=6

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2 years ago

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3 years ago

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anyanavicka [17]

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3 years ago

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3 years ago

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What is the solution to this equation 1/2n^2+18=0

ololo11 [35]

Answer:

n = ±6 .

Step-by-step explanation:

A quadratic equation is given to us and we need to find out the solution of the given equation . The given equation is ,

$\rm\implies -\dfrac{1}{2}n^2+18=0$

Subtracting 18 both sides ,

$\rm\implies -\dfrac{1}{2}n^2 = -18$

Multiplying both sides by -2 ,

$\rm\implies -2\times\dfrac{1}{2}n^2 = -2\times -18$

On simplyfing , we get ,

$\rm\implies n^2= 36$

Putting squareroot both sides ,

$\rm\implies n= \sqrt{36}$

This equals to ,

$\rm\implies \boxed{\quad\blue{\rm n =\pm 6 }}$

Hence the value of n is ±6 .

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2 years ago