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mariarad [96]
3 years ago
14

What value of x makes the equation true 9.68x + 21.6 - 6.23x=2.3x+17​

Mathematics
2 answers:
ladessa [460]3 years ago
8 0

9.68x + 21.6 - 6.23x = 2.3x + 17

Combine like terms on the left side:

3.45x + 21.6 = 2.3x + 17

Subtract 2.3x from both sides:

1.15x + 21.6 = 17

Subtract 21.6 from both sides:

1.15x = -4.6

Divide both sides by 1.15:

X = -4

levacccp [35]3 years ago
4 0

Answer:

its negative 4

Step-by-step explanation:

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Let's solve your equation step-by-step.

\frac{1}{4} x^2+5=0

For this equation: a=0.25, b=0, c=5

0.25x^2 + 0x + 5 = 0

Step 1: Use quadratic formula with a=0.25, b=0, c=5.

x = \frac{-b ± \sqrt{b^2 - 4ac} }{2a}

x = \frac{-(0) ± \sqrt{(0)^2 -4 (0.25) (5)  } }{2(0.25)}

x = \frac{0 ± \sqrt{-5} }{0.5}

Answer : No Real Solutions.

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If this helped you, could you maybe give brainliest..?

Also Have a great day/night!

❀*May*❀

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Convert 11.42424242 … to a rational expression in the form of a over b, where b ≠ 0.
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x=11.4242....

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8 0
3 years ago
Find the radius of the circle with equation x²+y²+8x+8y+28=0
galina1969 [7]
<h2>Hello!</h2>

The answer is:

Center: (-4,-4)

Radius: 2 units.

<h2>Why?</h2>

To solve the problem, using the given formula of a circle, we need to find its standard equation form which is equal to:

(x-h)^{2}+(y-k)^{2}=r^{2}

Where:

"h" and "k" are the coordinates of the center of the circle and "r" is its radius.

So, we need to complete the square for both variable "x" and "y".

The given equation is:

x^{2}+y^{2}+8x+8y+28=0

So, solving we have:

x^{2}+y^{2}+8x+8y=-28

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Now, we have that:

h=-4\\k=-4\\r=\sqrt{4}=2

So,

Center: (-4,-4)

Radius: 2 units.

Have a nice day!

Note: I have attached a picture for better understanding.

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