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
qwelly [4]
3 years ago
9

The difference between a number and its square is 20. Find thenumbers.​

Mathematics
1 answer:
Elena L [17]3 years ago
4 0

Answer:

-4 or 5

Step-by-step explanation:

let number be x

x²-x=20

Rearrange

x²-x-20=0

(x+4)(x-5)=0

Separate

x+4=0, x-5=0

x=-4 or 5

You might be interested in
Simplify 8 - (-5) - 4(-7).<br><br> -63<br> -15<br> 41<br> 68
jekas [21]
The correct answer is 41.
3 0
3 years ago
What is the fraction ten twelfths in its simplest form
Leokris [45]
The answer is 5/6. What you do is take the 10 and the 12 and divide them by 2. You get 5/6,
4 0
4 years ago
Read 2 more answers
1. Write out the following proportions in words.
son4ous [18]

The ans is B because 3/4=1876 is a proportions

5 0
3 years ago
Need help please:<br><br><br>-2 -5/4 x = 13<br><br>what does X mean?​
Gnom [1K]

Answer:x=-12

Step-by-step explanation:

−2−

5

4

x=13

−2+

−5

4

x=13

−5

4

x−2=13

Step 2: Add 2 to both sides.

−5

4

x−2+2=13+2

−5

4

x=15

Step 3: Multiply both sides by 4/(-5).

(

4

−5

)*(

−5

4

x)=(

4

−5

)*(15)

x=−12

Answer:

x=−12

But X is the variable your solving for

 

5 0
4 years ago
PLEASE HELP THIS IS DUE TMRW!!
Kobotan [32]

Answer:

Sydney, Nova Scotia

Step-by-step explanation:

Out of all 3 Sydney, Nova Scotia would be the coldest because -23 degrees is lower than -21 and -22. When using a thermometer the lower it is the colder, so Nova Scotia would be your answer.

6 0
3 years ago
Read 2 more answers
Other questions:
  • The width of a poster is 8cm less than the length. The perimeter is more than 184
    13·1 answer
  • Brainliest to whoever gets it right first
    13·1 answer
  • Lisa spends 1/4 of her earnings on rent and 1/5 of her earnings on food let m stand for her monthly earnings in dollars. Which o
    9·1 answer
  • On a map with a scale of 2 cm = 1 km, the
    15·2 answers
  • Mrs . Haider went to the mall and purchased tacos and burritos at the food court. 20 of her family member were visiting, so she
    6·1 answer
  • Mr. Ankamah walks for 32 munites each day to work. Fine the time he well used to walk for 21 days to work, leave the answer in h
    14·1 answer
  • Decimals between 9.4 to 10.5 with an interval of 0.1 between each pair of decimals
    7·2 answers
  • If f(x)=8x+5, what is f(x)^-1?
    11·1 answer
  • On a coordinate plane, triangle A B C has points (negative 2, negative 1), (negative 2, negative 3), (negative 5, negative 1). T
    11·1 answer
  • Identify the lengths of two blank sides
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!