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
olya-2409 [2.1K]
3 years ago
11

align="absmiddle" class="latex-formula">
Solve by completing the square. Please show work, I'm really struggling to understand this.
Mathematics
1 answer:
Ronch [10]3 years ago
5 0

Answer:

Step-by-step explanation:

x^2 - 22x = 10

Next step is to complete the square on the left hand side of the equation and it would be balanced by adding the same number to the right side of the equation. It becomes

x^2 - 22x + (22/2)^2 = 10 + (22/2)^2

x^2 - 22x + (11)^2 = 10 + (11)^2

x^2 - 22x + (11)^2 = 10 + 121

x^2 - 22x + (11)^2 = 131

x^2 - 22x + 121^2 = 131

(x - 11)^2 = 131

Taking square root of both the left hand side and the right hand side of the equation, it becomes

x - 11 = ±√131

x - 11 = ±11.45

Adding 11 to the left hand side and the right hand side of the equation, it becomes

x - 11 + 11 = ±11.45 + 11

x = 11.45 + 11 or x = -11.45 + 11

x = 22.45 or x = - 0.45

You might be interested in
Help!
EleoNora [17]
Perimeter = lenght× 2 + width × 2
= 6 × 2 + 2 × 2
= 12 + 4
= 16
8 0
3 years ago
Find the 6th term of a geometric sequence t3 = 444 and t7 = 7104.
hichkok12 [17]
Given the value of t3 and t7, and t7 = t3 * r^4, where r represents the geometric quotient. 

So 7104 = 444 * r^4 -> solve for r, you will get r = 2 or -2

So, for r = 2, t6 = t7 / r = 7104 / 2 = 3552

For r = -2, t6 = -3552
5 0
3 years ago
Read 2 more answers
Karen owns a seafood restaurant. She orders trout from an online retailer. Each pound of trout costs $32, and the company charge
Sliva [168]

Answer:

F (x) = {32x+4, 0 < x < 10

25x + 9, x _> 10

Step-by-step explanation:

The one I guessed was wrong and it said that the one I put up above is the correct answer :)

3 0
3 years ago
Read 2 more answers
Guys please answer question C i need it
chubhunter [2.5K]

Answer:

  see below

Step-by-step explanation:

Except for the stretch factor, your work is completely correct. Multiplying only the x-coordinate by a factor of 2 results in a horizontal stretch by that factor.

Your coordinates and graph are correct.

In the comparison, you just need to say what happened.

5 0
3 years ago
0.5 - (-10.5 • 5) + 40.5 I need the solution to this problem
kondor19780726 [428]
93.5 Great and write answer please brainliest and thanks

7 0
3 years ago
Other questions:
  • What is the reason for statement 3 in the proof?. Prove –d + (d + e) = e. StatementReason. 1–d + (d + e) = (–d + d) + e1. Associ
    8·2 answers
  • Write the equation of a line that includes the point (1, 5) and has a slope of 3 in standard form. 3x + y = 5 –3x + y = 5 3x + y
    6·1 answer
  • Calculate the value of B in the triangle below.
    12·1 answer
  • Solve the equation<br> -8-x=x-4x
    14·2 answers
  • What is the area of a trapezoid with height 5m and bases 8m and 1m.
    13·2 answers
  • Simplify <br>(5x^3y^2-4x^2y+2x)-(6x^3y^2-3x^2y+y)
    13·1 answer
  • A square pyramid is made up of a base with a side length of 10 inches and faces that are triangles with a height of 12 inches. W
    15·2 answers
  • Which equation represents the graph?
    12·2 answers
  • Which of the following equations has an infinite number of solutions?
    11·1 answer
  • If x equals 1/8 Y what is -1 / X?​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!