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]
3 years ago
11

Use the discriminant to determine the number of solutions. x2 + x = 12

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

Answer:

x=4

Step-by-step explanation: So you do 2x plus 1x which is 3x. Then you divide both sides by 3 which leaves you with x=4. Thats your answer. <3

You might be interested in
What is 5x (3/5 +1/2) Equal as a fraction with a whole number
viva [34]
5 1/2 x is the correct answer! 5x must be multiplied by both fractions within the parentheses. Please vote my answer brainliest!
5 0
3 years ago
I think I know the answer but I just want to double check.
Levart [38]
D would be the correct answer
8 0
3 years ago
Read 2 more answers
30. f(x) = 11x3 + 3x2 - 4x + 2 and g(x) = 5x3 - 7x + 2. What is f(x) – g(x)? Show all of your steps and
balandron [24]

Answer:

3x(2x^2 +x-1)

Step-by-step explanation:

f(x) = 11x^3 + 3x^2 - 4x + 2,

g(x) = 5x^3 - 7x + 2,

f(x) - g(x) =11x^3+3x^2-4x+2 - (5x^3-7x + 2)=

11x^3+3x^2 -4x+2-5x^3+7x-2=

(11x^3-5x^3)+3x^2+(-4x+7x)+(2-2)=

6x^3 +3x^2 - 3x=

3x(2x^2 +x-1)

3 0
3 years ago
It would take john 6 hours to paint a room by himself. It would take Tom 18 hours to paint the same room by himself. Of john and
mario62 [17]

Answer:

12 hrs

Step-by-step explanation:

6+18 =24

24/2 = 12

6 0
3 years ago
Read 2 more answers
Can someone please help explain the steps? I'm having a hard time understanding the other answers to this question.
Amanda [17]

Answer:

(3,2)

Step-by-step explanation:

Y=-2x+8 equation 1

y=x-1 equation 2

x-1=-2x+8 substi y of second equation into y of first equation.

3x=9

x=3

solve for y by putting the  x value into either equation

y=x-1

y=3-1

y=2

7 0
3 years ago
Other questions:
  • What is the solution of the equation 6x - 3 = -51?
    12·2 answers
  • Given the range {-1, 5, 9), what is the domain for the relation y = x + 3?
    7·2 answers
  • Kennan sells sandwiches during the summer soccer games to make money. He has already made $90 by selling sandwiches. He sells ea
    7·2 answers
  • A wildlife had 8 elephant calves born during the summer and now has 31 total elephants. How many elephants were in the reserves
    5·2 answers
  • Please Help!
    6·2 answers
  • Let R be the region in the first quadrant bounded by the curves y = x^3 and y = 2x - x^2. Calculate the following quantities.
    13·1 answer
  • A GE lightbulb is supposed to last for 1,200 hours. In fact, light bulbs of this type last only 1,185 hours with a standard devi
    9·1 answer
  • Unit4: Congruent Triangles Hw 1: Classifying Triangles Gina Wilson (All things algebra) 2014
    10·2 answers
  • I need help with all question, I will give brainliest.
    6·2 answers
  • 3. WRITE Write a paragraph explaining the order of the steps that you would take to
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!