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Leokris [45]
3 years ago
10

Help help again ..2 more :/ thank you again ..

Mathematics
1 answer:
Elis [28]3 years ago
8 0
8^2 + 12 - 2(8)
64 + 12 - 16
76 - 16
60
so your answer would be 60
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Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. find the missing te
Allisa [31]

The missing term in the provided quadratic equation is 10x if the roots of a quadratic equation are 5 ± 3i.

<h3>What is a complex number?</h3>

It is defined as the number which can be written as x+iy where x is the real number or real part of the complex number and y is the imaginary part of the complex number and i is the iota which is nothing but a square root of -1.

The question is incomplete.

The complete question is in the picture, please refer to the attached picture.

We have the roots of a quadratic equation:

5 ± 3i

To find the quadratic equation:

(x - (5+3i))(x - (5-3i))

\rm =x^2+x\left(-\left(5-3i\right)\right)-\left(5+3i\right)x-\left(5+3i\right)\left(-\left(5-3i\right)\right)

= x² -10x + 34

The missing value is 10x

The quadratic equation is:

= x² -10x + 34

Thus, the missing term in the provided quadratic equation is 10x if the roots of a quadratic equation are 5 ± 3i.

Learn more about the complex number here:

brainly.com/question/10251853

#SPJ1

6 0
2 years ago
Find the area of the figure.
seraphim [82]

\huge \bf༆ Answer ༄

At first Divide the figure into two rectangles, I and Il

Area of figure l is ~

  • \sf24 \times (40 - 30)

  • \sf24 \times 10

  • \sf240 \:  \: ft {}^{2}

Area of figure ll is ~

  • \sf 18 \times 30

  • \sf540 \: ft{}^{2}

Area of whole figure = Area ( l + ll )

that is equal to ~

  • \sf240 + 540

  • \sf780 \:  \: ft{}^{2}

7 0
3 years ago
Polygon YYY has an area of 111111 square units. Celia drew a scaled version of Polygon YYY using a scale factor of 333 and label
KonstantinChe [14]

Answer:

The ratio of the areas =  the ratio of the squares of the scale factor.

So the area of Z is  3^2 * 11  =  99 sq units.

7 0
3 years ago
Please help! This is worth 15 points. Whoever answers this correctly gets brainlest.
FrozenT [24]

Answer:

D. 300 divided by 1/4

Step-by-step explanation:

It asked you about hours not minutes so the answer is D. Hope this helped you.

8 0
3 years ago
Read 2 more answers
A plane is at cruising altitude of 10,200 feet. If the angle of depression to the run way is 18 degrees, what is the distance, t
MatroZZZ [7]

Answer: 33,007.9\ ft

Step-by-step explanation:

Given

The plane is cruising at an altitude of h=10,200\ ft

The angle of depression is \theta=18^{\circ}

Suppose the distance of the plane to the runway is x

from figure

\Rightarrow \sin 18^{\circ}=\dfrac{h}{x}\\\\\Rightarrow \sin 18^{\circ}=\dfrac{10,200}{x}\\\\\Rightarrow x=33,007.9\ ft

4 0
3 years ago
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