2 years ago

* 20% of x is 130. What is x?

1 answer:

4 0

Answer:

x = 650

Step-by-step explanation:

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hichkok12 [17]

Answer: $x=\±2\sqrt{10}$

Step-by-step explanation:

To find the solutions of the quadratic equation given in the problem, you can apply the proccedure shown below:

- Subtract 40 from both sides of the equation.

- Multiply both sides of the equation by -1

- Apply square root to both sides of the equation.

Therefore, by applyin the steps above, you obtain:

$40-x^2-40=0-40\\-x^2=-40\\(-1)(-x^2)=(-40)(-1)\\\\x^2=40\\\\\sqrt{x^2}=\±\sqrt{40}\\\\x=\±2\sqrt{10}$

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3 years ago

Serggg [28]

I hope this helps you

x^2+11x+x+36=39+x

x^2+12x+36=39+x

(x+6)^2=39+x

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3 years ago

katrin2010 [14]

Answer:

yes i think

Step-by-step explanation:

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3 years ago

AlexFokin [52]

It is -16, 17.5, -19, ...

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3 years ago

Amanda [17]

Answer:

y= 3x

Step-by-step explanation:

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2 years ago