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konstantin123 [22]
3 years ago
13

Please help me this should be easy for y'all thanks

Mathematics
1 answer:
IgorLugansk [536]3 years ago
5 0

Answer:

20

Step-by-step explanation:

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What are the solutions of x^2-2x+5=0? A. X=2i or x=-2i. B. X=1+2i or x=1-2i. C. X=2+i or x=2-i. D. X=2+2i or x=2-2i
satela [25.4K]

Answer:

B. x=1+2i or x=1-2i.

Step-by-step explanation:

The equation is given as;

x²-2x+5=0

complete the square method to find value of x as;

x²-2x = -5

x²-2x + 1 = -5 + 1

x²-2x +1 =-4

( x-1 )² = -4

x-1 = ±√-4 ---------<em>where √-1 = i</em>

x-1 =± 2i

So;

x-1 = + 2i

x= 1+2i

or

x= 1-2i

x= 1-2i

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3 years ago
A 40-foot-tall flagpole casts a shadow that is 8 ft long. find the length, in feet, of a shadow cast by a nearby man who is 6 fe
Ray Of Light [21]
1.2 feet is the size of the shadow of a 6 foot tall man. 
6 0
4 years ago
How do you solve this
34kurt
You add 1.7 and 3.1 and that will be the answer to r which is 2.6

8 0
3 years ago
Can someone help pls?
scoundrel [369]

try googling it thats what I would do. I think it would be 1/6 tho

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3 years ago
Name a fraction that is equivalent to 1/2.
MissTica

Answer:

2/4

Step-by-step explanation:


3 0
4 years ago
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