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Tasya [4]
3 years ago
10

How many real and complex roots exists for a polynomial?

Mathematics
1 answer:
solmaris [256]3 years ago
7 0

Step-by-step explanation:

whenever a complex number is a root of a polynomial with real coefficients, its complex conjugate is also a root of that polynomial. as an example, we'll find the roots of the polynomial..

x^5 - x^4 + x^3 - x^2 - 12x + 12.

the fifth-degree polynomial does indeed have five roots; three real, and two complex.

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A hiker standing at point G wants to estimate the distance across the lake to point H, which is directly north of her location.
riadik2000 [5.3K]

Answer:

D

Step-by-step explanation:

The diagram is attached.

Looking at the diagram, we want the side "opposite" of the angle given and the side "adjacent" is given.

Which ratio relates opposite and adjacent? It is Tan.

We can use trigonometry and tan ratio to solve for the distance "x":

Tan(84)=\frac{x}{650}\\x=Tan(84)*650\\x=6184.4

D is the correct answer.

5 0
3 years ago
Write each decimal as a percent 0.34, 0.93, 0.57, 0.8
AVprozaik [17]
34%, 93%, 57%, and 80%.

All you do is move the decimal place two spaces to the right to turn a decimal into a percent.
7 0
3 years ago
The concession stand at a ballpark makes $0.43 profit from each hot dog sold. It also makes a profit of $0.65 from each pretzel
kaheart [24]
0.43h + 0.65p + 1.31d = c

explanation:
h stands for hotdogs, p for pretzels, and d for drinks. c represents the total cost. 
each price next to the variable describes the profit per item.

hope this helps! :D
4 0
3 years ago
Read 2 more answers
What is the permiter of the figuere
erastovalidia [21]

Answer:

68.7

Step-by-step explanation:

4 0
3 years ago
A=1/2bh, solve for b
e-lub [12.9K]

Answer:

Step-by-step explanation:

A = \dfrac{1}{2}bh\\\\Multiply \ both \ sides \ by \ 2\\\\2A =bh\\\\\\Divide \ both \ sides \ by \ h\\\\\dfrac{2A}{h}=b\\\\b = \dfrac{2A}{h}

8 0
3 years ago
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