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levacccp [35]
2 years ago
12

Solve using the Quadratic formula: 3x²-2x+6=0

Mathematics
1 answer:
Hitman42 [59]2 years ago
6 0

Answer

3x^2-2x+6=0\quad :\quad x=\frac{1}{3}+i\frac{\sqrt{17}}{3},\:x=\frac{1}{3}-i\frac{\sqrt{17}}{3}

Step-by-step explanation:

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The area of a rectangle is 40 cm2.<br> If its length is 10 cm, what is its width?
astra-53 [7]

Answer:

Width = 4 cm

Step-by-step explanation:

The formula for area of a rectangle is length x width. You have the length (10), leaving you with this equation.

10 x ? = 40

Solve for x, or in other words, divide 40 by 10. This gives you 4. This means that 10 x 4 equals 40 cm^2

3 0
3 years ago
What number must be added to the expression below to complete the square?
stiv31 [10]

D. 1/4

Explanation:

a perfect square is written in the form

(x+a)^2 = x^2 + 2ax +a^2 (1)

In our problem, we have this perfect square:

x^2 - x + C (2)

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2a=-1

So, we find

a=-\frac{1}{2}

and therefore, the missing term must be

a^2 = \frac{1}{4}

so the complete square is

x^2 -x +\frac{1}{4}

7 0
3 years ago
Read 2 more answers
How much money is 2/3 of 24.00$ draw a diagram
Pachacha [2.7K]

Answer:

16.00$

Step-by-step explanation:

divide 24 dollars in three sections which is 8 dollars a section. 2/3 is 2 out of 3 sections(8+8) which is sixteen.

3 0
3 years ago
Fill in the blank. ​A(n) _______ distribution has a​ "bell" shape. ​A(n) ▼ outlier polygon normal relative frequency distributio
EastWind [94]

Answer:

Normal Distribution

Step-by-step explanation: A normal distribution will generally have a bell shape. It is also called a bell curve, due to its bell shape.

It is also called Gaussian distribution. The point near the peak is where most of the observations cluster, while the values further away from the mean will be distributed equally in both directions on the curve.

8 0
2 years ago
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ehidna [41]

Answer:

r = 18 cm

Step-by-step explanation:

The formula for the circumference of a circle is 2πr.

Hence,

2πr = 36π

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3 0
2 years ago
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