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
xz_007 [3.2K]
4 years ago
12

Help Please This is really hard. 5 points!

Mathematics
2 answers:
pishuonlain [190]4 years ago
5 0

Answer:

<em>C. m = 6</em>

Step-by-step explanation:

The quadratic equation has a single solution, x = -3.

(x - (-3))(x - (-3)) = 0

(x + 3)(x + 3) = 0

(x + 3)^2 = 0

x^2 + 6x + 9 = 0

x^2 + mx + n = 0

m = 6; n = 9

KonstantinChe [14]4 years ago
4 0

Your answer should be positive 3 A.

You might be interested in
Sixty miles per hour is the same rate as<br> which of the following?
Genrish500 [490]

Answer:

C.  1 mile per minute.

Step-by-step explanation:

By proportion, 60 miles per hour = 1 mile per 1/60 of an hour.

1/60 hour = 1 minute.

8 0
3 years ago
The rectangular area measures 30 ft by 25ft. The fencing that will be used comes in 25 ft sections. How many sections will you n
lbvjy [14]

Answer:

5

Step-by-step explanation:

8 0
4 years ago
verify that 1,-1,-3 are the zeroes of the cubic polynomial x3+3x2-x-3 and check the relationship between zeroes and the coeffici
Vikentia [17]

Answer: yea its 123445

Step-by-step explanation:

6 0
3 years ago
At your birthday party you had 78 slice pizzas . 41 slices were eaten . What fraction of pizza is left
natka813 [3]

Answer:

78-41=37

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Pls Mark me brainliest ​
alexira [117]

Answer: What is your question?

7 0
3 years ago
Other questions:
  • Which of the following could be the ratio of the length of the longer leg of a 30-60-90 triangle to the length of its hypotenuse
    15·2 answers
  • POINTS POINTS POINTS POINTS POINTS! harder question!<br><br> 45(34- 2)
    8·2 answers
  • Is 11 over 128 equal to a terminating decimal or repeating decimal
    10·1 answer
  • Anyone? Know how to do this?
    13·1 answer
  • Please answer the question and please explain because i do not know how to do this
    11·1 answer
  • How do you solve X/14=-21
    9·1 answer
  • Yvonne is a salesperson who earns a fixed amount of $1,850 per month. She also earns a commission of 4% on the amount of goods t
    11·1 answer
  • A 15-m2 wooded area has the following: 30 ferns, 150 grass plants, and 6 oak trees. What is the population density per m2 of eac
    6·1 answer
  • Can someone do these questions 1-3 please i have an F in math now :/
    5·1 answer
  • What is the sum of all of the prime numbers from 1 to 10
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!