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Rainbow [258]
3 years ago
5

What is the answer ​

Mathematics
1 answer:
Mariana [72]3 years ago
8 0

Answer:

3x² + 6

Step-by-step explanation:

i think?

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A FIGURE HAS AN AREA OF 50 UNITS.WHAT WILL THE NEW AREA BE AFTER A DILATION WITH SCALE FACTOR OF 3
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150 units

Step-by-step explanation:

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Step-by-step explanation:

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Help on my most recent question
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3 years ago
Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
Phoenix [80]

Answer:

Option B. 1.93, -11.93 is the right answer.

Step-by-step explanation:

Here the given equation is x²-23 = 10x and we have to solve the equation for the value of x.

First we simplify the equation to bring in the shape of ax²+bx+c=0

x²-23 = 10x

(x²-23)-10x = 10x-10x

x²-10x -23 = 0

Now we the formula for the value of x= \frac{-b\pm \sqrt{b^{2}-4ac}}{2a}

x=\frac{10\pm \sqrt{(-10)^{2}-4(1)(-23)}}{2(1)}

x=\frac{-10\pm  \sqrt{100+92}}{2}

x= \frac{-10\pm \sqrt{192}}{2}

x=\frac{-10\pm 4\sqrt{12}}{2}

x=-5\pm 2\sqrt{12} = -5\pm (2\times 3.464) = -5\pm 6.93

Now x = (-5+6.93) = 1.93

and x = (-5-6.93) = -11.93

5 0
3 years ago
Read 2 more answers
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