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
liberstina [14]
3 years ago
9

Hey can you please help me posted picture of question

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
4 0
Answer:
The solutions are: 
\frac{3 + i}{2} and \frac{3 - i}{2}

Explanation:
The general form of the quadratic equation is:
ax² + bx + c = 0
The given equation is:
2x² - 6x + 5 = 0

By comparison:
a = 2
b = -6
c = 5

Now, to get the solutions of the equation, we will have to use the quadratic formula shown in the attached image.

By substituting in the formula, we would find that:
either x = \frac{6 +  \sqrt{(-6)^2 - 4(2)(5)} }{2(2)}  =  \frac{3 + i}{2}

or x = \frac{6 - \sqrt{(-6)^2 - 4(2)(5)} }{2(2)} = \frac{3 - i}{2}

Hope this helps :)

You might be interested in
What is j divided by 9 is 5
kobusy [5.1K]
J/9=5
Multiply both sides by 9
Which gets you
j = 45
8 0
3 years ago
Read 2 more answers
How many solutions does this equation have?
Leto [7]

Answer:

The given equation having only one solution i.e., "w = 3". A further explanation is provided below.

Step-by-step explanation:

The given equation is:

⇒ 9(w-9)-2=-7w+7(w-8)

By opening the brackets, we get

⇒ 9w-81-2=-7w+7w-56

⇒ 9w-83=-56

On adding "83" both sides, we get

⇒ 9w-83+83=-56+83

⇒                 9w=27

⇒                   w=\frac{27}{9}

⇒                       =3

4 0
3 years ago
Express each number in its simplest radical form. <br> √6⋅√60=?
Tom [10]

Answer:

6√10

Step-by-step explanation:

factorizing 6 and 60

6 =  2 x 3

60 = 2 x 2 x 3 x 5

hence

√6 · √60

= √ [ (2 x 3) · (2 x 2 x 3 x 5) ]

= √ (2· 2² · 3² · 5)

= √ (2² · 3²) x √(2·5)

= (2 · 3) x √10

= 6√10

5 0
3 years ago
Read 2 more answers
Determine whether the study depicts an observational study or an experiment. Thirty university students are divided into two gro
alex41 [277]

Answer:

The provided study is an experiment.

Step-by-step explanation:

Consider the provided information.

Observational study: In this study observer only observe the subjects, and measure variables of interest without allocating treatments to subjects.

For example: you want to examine the  side effect of smoke on lung.

Experiment study:The researchers are applying treatments to experimental units in the research, then the effect of the treatments on the experimental units is observed.

For example: Flipping a coin

Now consider the provided information:

Thirty university students are divided into two groups. One group receives free tutoring in mathematics comma the other doesn't. After one semester comma scores on final mathematical examinations are compared.

Here, the researcher applying treatment to experimental units.

Thus, the provided study is an experiment.

6 0
3 years ago
Which of the following describe the given graph of the function over the interval [2,6]
eduard
I think it would be D because it started off low then it started to increase
5 0
3 years ago
Read 2 more answers
Other questions:
  • On Monday the temperature was 6.c overnight it fell to -2.cby how many degrees did it fall
    12·1 answer
  • Jeff invested $3000 in an account that earns 6.5% interest
    5·1 answer
  • The total cost to rent a rowboat is $18 times the number of hours the boat is used. Write an equation to model this situation if
    6·2 answers
  • I keep getting it wrong. Help?
    9·1 answer
  • A rectangle has a length of x and a width of 5x^3+4-x^2. What is the polynomial that models the perimeter of the rectangle
    15·1 answer
  • a skateboard is on sale for $47.80. if this price represents a 50% discount from the original price, to the nearest cent?​
    15·1 answer
  • The discriminant of a quadratic equation is 225. Describe the nature of the roots.
    7·1 answer
  • Please help, I've never gotten these and I still dont. this test is 95% of my grade​
    6·1 answer
  • What is a math problem that solves for 6????
    8·1 answer
  • Evan's rectangular lawn measures 8 yards by 10 yards. He planted a hedge
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!