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
vampirchik [111]
3 years ago
15

Solve.

Mathematics
2 answers:
Oduvanchick [21]3 years ago
5 0

Answer:

Step-by-step explanation:

There are several approach to solving a quadratic equation; factorization, completing the square, the use of 'the almighty formula etc. Though i didn't see the steps you followed in solving, but from your answer, it is obvious you made good attempt but something is missing, your answer should be (5+√57)/2 or (5-√57)/2

Bas_tet [7]3 years ago
5 0

Answer:

x=5/2+square root (57)/2 or x=5/2-square root (57)/2

Step-by-step explanation:

  • -b+-square root (b^2-4ac)/2a
  • -(-5)+-square root [(-5)^2-4(1)(-8)]/2(1)
  • 5+-square root (25+32)/2
  • 5+-square root (57)/2
  • 5+square root (57)/2 or 5-square root (57)/2
You might be interested in
What is the gcf of 9-27x^3?
KiRa [710]

Answer:

The factors of 3 are: 1, 3

The factors of 9 are: 1, 3, 9

The factors of 27 are: 1, 3, 9, 27

Then the greatest common factor is 3.

Step-by-step explanation:

8 0
3 years ago
In anova, by dividing the mean square between groups by the mean square within groups, a(n) _____ statistic is computed.group of
jek_recluse [69]

In anova, by dividing the mean square between groups by the mean square within groups, a(n) Analysis of variance  statistic is computed.

What is Analysis of variance ?

  • With the help of the statistical analysis approach known as ANOVA, apparent aggregate variability within a data set is explained by separating systematic components from random factors.
  • Systematic influences, but not random ones, statistically affect the data set that is being presented.

What are some instances where ANOVA has been applied?

  • An ANOVA demonstrates the link between the dependent variable and the level of the independent variable.
  • For illustration: In order to determine whether there is a difference in the number of hours of sleep each night as your independent variable, you divide the groups into low, medium, and high social media use categories.

Learn more about Analysis of variance

brainly.com/question/28274784

#SPJ4

4 0
2 years ago
1. Choose the correct symbol to compare. 8/10<br> 3/4<br> &lt;<br> &gt;<br> =
oksano4ka [1.4K]

Answer:

I think 8/10 is greater?

3 0
3 years ago
Read 2 more answers
What is the G.C.F of 36 and 18? *
sdas [7]

<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em><em>:</em><em>)</em>

5 0
3 years ago
Read 2 more answers
X +5+11x=12x+Y It says find the value of y that makes each equation true for all values of
sladkih [1.3K]
X + 5 + 11x = 12x + y

Simplify: 12x + 5 = 12x + y (We are adding x and 11x on the left side)

Subtract 12x from each side makes each zero.

5 = y

So we can plug in and test. I'm picking two random numbers to plug in for x. 10, and 82

x = 10, y = 5
10 + 5 + 11(10) = 12(10) + 5
125 = 125

x = 82, y = 5
82 + 5 + 11(82) = 12(82) + 5
989 = 989

So we verified y = 5
3 0
3 years ago
Other questions:
  • Brenda is finding the product of –3r and. Is she correct? If not, what changes should be made?
    14·1 answer
  • The radius of circle is 6.5 centimetres. Asquare has the same are as this circle. The length of each side of square , in centime
    6·1 answer
  • Solve the system of equations. x + 3y = −12x + 2y = 6
    9·1 answer
  • James tosses a coin 40 times and gets 26 heads and 14 tails. what is the relative frequency of tails?
    10·1 answer
  • A<br> rope<br> cut off?<br> is 3m long. If 25% is cut off, how many cm was<br> 25% of 3
    10·1 answer
  • You have a 12 foot board that you need to cut into 10 inch pieces in order to create square frames. How many frames can be creat
    15·2 answers
  • Hello please help i’ll give brainliest
    15·1 answer
  • 9 1/3 minus 3 1/4 as a mixed number
    12·1 answer
  • Which of the lists of letters all have rotational symmetry?
    13·1 answer
  • . Error Analysis Describe and correct the error
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!