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
KonstantinChe [14]
3 years ago
7

Which method is most efficient method to use to solve 2x^2+5x-11=0

Mathematics
1 answer:
dangina [55]3 years ago
8 0
May be you can use the quadratic equation formular.
You might be interested in
Of the town's 42 firefighters, 16 volunteered for the special rescue team. Express the portion who did not volunteer.
Doss [256]
42 firefighters in total.

16 volunteered for the special rescue team.

n + 16 = 42

or it could be this way:

42 - 16 = n
8 0
3 years ago
What is the square root of 49 multiplied by the square root of 9
fiasKO [112]
First we need to find the the answer to both the square root of 49 and 9.

The "square root" is a term referring to a number, multiplied by itself (x • x) would be = to your square root.

So for example: Square root of 16 = 4 because 4*4=16 

So lets get out numbers:

\sqrt{9} =3

\sqrt{49}=7

Now you multiply 3*7 (or 7*3) and you get 21.

Final answer: 21

7 0
3 years ago
Read 2 more answers
A couch and coffee table cost a total of $1167. The cost of the couch is two times the cost of the coffee table. Find the cost o
labwork [276]

Answer:

The couch is $778 and the table is $389

Step-by-step explanation:

7 0
3 years ago
A circle has a radius of 3. An arc in this circle has a central angle of 20°. What is the length of the arc? Either enter an exa
Semenov [28]

Answer:

\frac{\pi  }{3}

2 * \pi * 3  * \frac{20}{360}

120\pi/360 = \frac{\pi  }{3}

Step-by-step explanation:

5 0
2 years ago
Pls help. First answer marked as brainliest
Misha Larkins [42]
-2; 3-5= -2 or -5 - (-3)

-1; 4-5 or -5 - (-4) = -1

-5; -6 - (-1)= 1-6= -5

5 0
3 years ago
Other questions:
  • 2x + 3y = –19<br> –2x − y = 1
    14·1 answer
  • Please help i am stuckkkk, thank you!!!!!
    15·2 answers
  • Bills car gets 30 miles to the go on. For every galon of gas it consumes his car runs 30 miles use this information to determine
    8·1 answer
  • Algebraic expression for 3 more than x
    11·2 answers
  • Find the HCF of 30 and 45.
    8·2 answers
  • State the conclusion based on the results of the test. The standard deviationstandard deviation inin the pressure required to op
    5·1 answer
  • A factory worker finds 26 products are defective out of a random sample of 400 products. Based on the results, about how many of
    6·2 answers
  • What is the dimension of the null space Null (A) of A = ​
    8·1 answer
  • Use the Distributive Property to write an equivalent expression for 3(3 + 5) *
    6·1 answer
  • Darian and Kyle went to the Cinema and purchased nachos and chocolates. Kyle purchased two nachos and one chocolate ,while Daria
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!