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
7

What number must be added to the expression below to complete the square? х2 - 20х

Mathematics
1 answer:
DochEvi [55]3 years ago
6 0

Answer:

100

Step-by-step explanation:

This is formula fot completing the square:

(b/2)^(2)

(-20/2)^(2)

100

You might be interested in
I need help on #5 please!
Alex Ar [27]
2x^2 + 2y^2 + 2xy I think
6 0
4 years ago
For questions 3 - 5, answer the questions about the equations.
mrs_skeptik [129]

Answer:

  infinite solutions

Step-by-step explanation:

Eliminate parentheses and collect terms:

  3x -12 +5 -x = 2x -7

  2x -7 = 2x -7

This is true for any value of x. There are an infinite number of solutions.

6 0
3 years ago
The numbers of points scored in each basketball game are 49, 36, 61, 64, 39, 41, 43, and 39.
valentina_108 [34]

Answer:

In 25% of the games at least 55 points were scored.

Step-by-step explanation:

Percentage:

Number of desired outcomes multiplied by 100 and divided by the number of total outcomes.

In this question:

8 total games

In 2 at least 55 were scores.

100*2/8 = 100/4 = 25%

In 25% of the games at least 55 points were scored.

5 0
3 years ago
Which should be filed immediately before 32754? A) 32768 B) 32636 C) 31070 D) 3275 E) 32658
victus00 [196]

The number that will be immediately filled before 32754 is 32658

Option E is correct.

8 0
4 years ago
Read 2 more answers
Some of the steps in the derivation of the quadratic formula are shown. Step 4: Step 5: Step 6: Step 7: Which best explains why
AlexFokin [52]
               The correct answer for this question is this one: "The square root of terms separated by addition and subtraction cannot be calculated individually."

<span>The statement that best explains why the expression cannot be rewritten as during the next step is that t</span>he square root of terms separated by addition and subtraction cannot be calculated individually.
Hope this helps answer your question and have a nice day ahead.    ..... hope that helps

5 0
3 years ago
Read 2 more answers
Other questions:
  • A certain industrial process yields a large number of steel cylinder whose lengths are distributed normally with mean 3.25 inche
    14·1 answer
  • A multiple choice question has four answers. If you guess, what is the probability of guess the correct answer
    14·2 answers
  • One half of Heather's age two years ago from now plus one-third of her age three years ago is twenty years. How old is she now?
    15·1 answer
  • -8 + (-15) <br>Evaluate this expression ​
    9·1 answer
  • Help on this please !!!!
    7·1 answer
  • A fire fighter truck can hold 3000 gallons of water a firefighter can deliver 160 gallons of water every two minutes how long wi
    6·1 answer
  • Why might algebra tiles not be a good tool to use to factor x2 + 18x + 80? Explain.
    11·1 answer
  • 5st + 8s +9t -2st + 7t
    15·2 answers
  • What is the measure of angle ADC?
    8·1 answer
  • HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!