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
Salsk061 [2.6K]
3 years ago
11

Which number completes the square? x^2-4x?

Mathematics
1 answer:
ruslelena [56]3 years ago
4 0
X^2-4x=0 Let x=0 0^2=4(0)=0 0=0 [checks out] and x^2-4x=0 (4)^2-4(4)x=0 16-16=0 0=0 [also checks out]
You might be interested in
Which expressions are equivalent to 7⋅7⋅7⋅7⋅7⋅7<br> SELECT 2 Answers<br> It's FROM KHAN academy
UkoKoshka [18]

Answer:

Step-by-step explanation:

One equivalent expression is 7^6:  7 is used as a multiplicand 7 times.

Another equivalent expression would be (7^2)(7^5).  Note that 2 and 5 add up to 7.

5 0
3 years ago
Read 2 more answers
peter went to a store. he bought 5.20 Ibs. of jelly beans and cherries. if 3.24 Ibs. we're jelly beans, how many pounds were che
Allisa [31]
1.96
you just gotta do 5.20-3.24, have a good day. Hope this helps!
8 0
3 years ago
Read 2 more answers
PLEASE ANSWER At a basketball game, 75% of people attending were supporting the home team, while 25% were supporting the visitin
Rufina [12.5K]

75% = 0.75

750 people / 0.75 = 1,000 people

There were 1,000 total people attending the game

6 0
3 years ago
Read 2 more answers
ABC Office Supply offers an electric typewriter for $129.95. If ABC received a 15% markup on cost by selling the typewriter at t
const2013 [10]
A 15% percent markup means that the typewriter cost was increased by 15%, or 0.15 by moving the decimal 2 places to the left. If the original price was x, and 15% of it is 0.15*x, we can add them up to get 1.15*x=129.95. Dividing both sides by 1.15, we get x=113 dollars
8 0
3 years ago
Read 2 more answers
Pete and his sister, Sophie, play the game Space Mission Commander on their video game console. Pete has already completed 27 mi
kondor19780726 [428]

Step-by-step explanation:

Pete has already completed 27 missions. Pete plans to complete 3 missions per week

Let x represents weeks

Games completed = 3x + 27

Sophie has only completed 13 missions. Sophie plans to complete 5 missions per week.

Games completed = 5x + 13

3x + 27 = 5x + 13

27 - 13 = 5x - 3x

2x = 14

x = 7

By the seventh week, they would have completed equal number of games,

6 0
2 years ago
Other questions:
  • If a dozen bagels cost $8.40 what is the cost per Bagel
    12·1 answer
  • Hey Boo faces what is 0.38 × 5 × (1/20) × 3 × (−8)
    14·1 answer
  • 36+69-171-717171-18 so what’s that equal too
    12·2 answers
  • Find the volume of the triangular prism
    9·1 answer
  • Part 4 Directions: Write the two statements that form each biconditional.
    6·1 answer
  • What is 4 3/4 minus 1/3
    6·1 answer
  • Line AB contains points A (-2, 3) and B (4, 5). Line AB has a slope that is
    10·2 answers
  • The Satya Vansh become an important dynasty in the world of ​
    15·1 answer
  • Assume triangles ABC and DEF are similar. If angle B is 63 degrees, then what is the value of angle E?
    5·1 answer
  • A student said that the slope of the line through (8,4) and (2,2) is 3. What error could this student have made?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!