1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lianna [129]
3 years ago
9

Select the correct answer from the drop down menu

Mathematics
1 answer:
anygoal [31]3 years ago
6 0

The last one , because I will now solve it for you and prove therefore.

x²–4x+5=0;

D=(–4)²–4•5=16–20= –4= (2i)².

So:

x1= (4–2i)/2= 2–i

x2= (4+2i)2= 2+i.

This is the whole answer....

Three other u will solve by yourself and have roots which will not be suitable.

You might be interested in
Sample of 3 items is selected at random from a box containing 20 items of which 4 aredefective. find the expected number of defe
azamat
That's 54 I think. 20x3=60-4=54
6 0
3 years ago
What property is this?
Virty [35]

Answer:

Identity property

Identity property says that any number multiplied by one is itself

8 0
3 years ago
Greatest common factor of 15 and 33
Rashid [163]
15 = 3 x 5
33 = 3 x 11
so
GCF = 3
8 0
3 years ago
Read 2 more answers
Find the common ratio for the following sequence: 11, 121, 1331, 14641, ...<br><br> PLZ HELP!!!!!!
frez [133]

Hi There!

The answer is multiplying by 11. Throughout the sequence you multiply 11 by the number before to get the next number. For example, the next number in the sequence is 14641 x 11 = 161051.

Hope This Helps :)

8 0
3 years ago
Sharon suspects that her brother's penny is unfair. She flips it 50 times and heads comes up 40 times. Based on these trials, th
cricket20 [7]

The correct answer is B. 4/5. Hope this helps! : )

6 0
3 years ago
Read 2 more answers
Other questions:
  • A cube has a side length of 5 cm. If this cube is enlarged by a scale factor of 2,
    6·1 answer
  • Please give answer ??
    6·1 answer
  • Vhat is the solution to the following system?<br> 3x+10y- 12z = 40<br> X-5y = 0<br> X-4z = 0
    13·1 answer
  • Which rule which allows us to change the sign of an exponent
    13·1 answer
  • What is the approximate value of arcsin(0.58).
    13·1 answer
  • Find the inverse of the following
    5·2 answers
  • 6x + 2y = 12<br>5x + 2y = 8​
    10·1 answer
  • Find each of the values: <br><br>3a. (fog)^-1(6)=​
    10·1 answer
  • Natalie has 412 apples that she must package into bags. Each bag must hold 8 apples. Natalie divides 412 by 8 and gets an answer
    15·1 answer
  • A team won 8 games and lost 2 games. What percent of the games played were won?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!