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
Anastaziya [24]
3 years ago
12

Solve x2 + 6x + 7 = 0.

Mathematics
1 answer:
Mrrafil [7]3 years ago
7 0

Answer:

x = -6 and -1

Step-by-step explanation:

x^2 + 6x + 7

Factorise- find two numbers that multiply to be 6 and add to be 7: 6 and 1

(x+6)(x+1)

Set each expression equal to 0 and solve

x + 6 = 0   -> x = -6

x + 1 = 0    -> x = -1

You might be interested in
Pls help solve this...No hacker links
Cerrena [4.2K]

Answer:

x=13

Step-by-step explanation:

18-5=13. You have to subtract 5 from 5 itself and then 18.

8 0
3 years ago
Read 2 more answers
Who knows answer?<br> Quickly.
Karo-lina-s [1.5K]

Answer:

12 ft^2

Step-by-step explanation:

48 inches needs to be converted to ft

12 inches = 1 ft

48/12 = 4 ft

36 inches needs to be converted to ft

12 inches = 1 ft

36/12 =3 ft

Find the area

4 ft * 3 ft = 12 ft^2

4 0
4 years ago
Read 2 more answers
Find the volume of this cylinder.<br> Give your answer to 1 decimal point
galina1969 [7]

Answer:

1330.5 cm³

Step-by-step explanation:

The volume of a cylinder is: V = πr²h

Substitute the values for those variables.

V = π(5.5)²(14)

V = π(30.25)(14)

V = 1330.5

4 0
3 years ago
Read 2 more answers
Whats the answer plz
elena-14-01-66 [18.8K]

Answer:

The correct answer should be A not 100% sure

4 0
3 years ago
Write the equation of the line that passes through (3, 4) and (2, –1) in slope-intercept form.
Alona [7]
First find the slope. 4+1/3-2 = 5/1 or 5. Plug in your points to find b. 4=5(3)+b. 4=15+b. b=-11. SO the equation is y=5x-11.
6 0
3 years ago
Other questions:
  • A stadium has 45,000 seats. Seats sell for ​$30 in Section​ A, ​$24 in Section​ B, and ​$18 in Section C. The number of seats in
    10·1 answer
  • 5x-6-3(x+4)=3(1-5)-7
    7·1 answer
  • What is a group of objects that share common characteristics and are well-defined?​
    11·1 answer
  • 980\35??????help please lol I know this is easy
    8·1 answer
  • There were 420 matches in the football tournament, with each team playing one team at a time on its own and others' fields. How
    12·1 answer
  • Which Is NOt A function
    14·1 answer
  • 5^2 i want to know what that is.
    6·2 answers
  • Given the functions f(×)=-×2+9 and g(×)=6-2×
    9·1 answer
  • You are a contractor who is installing a new kitchen floor with square tiles. The dimensions of the rectangular kitchen floor ar
    11·1 answer
  • Someone plz help me.............
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!