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
rjkz [21]
3 years ago
8

3. A positive number is 56 less than its square. Find the number.

Mathematics
1 answer:
raketka [301]3 years ago
4 0

Answer:8

Step-by-step explanation:

X+56=x^2

X^2-x-56=0

X^2-8x+7x-56=0

X(x-8)+7(x-8)=0

(X+7)(x-8)=0

X+7=0 or x-8=0

X=-7 or x=8

You might be interested in
Find the least number which must be subtracted from each of the following numbers
Andre45 [30]

Answer:

53 to be subtracted to make it a perfect square.

Square root of 1936 = 44.

Step-by-step explanation:

Please mark as brainliest

6 0
2 years ago
the area of a bookshelf is 216 square inches if the length of the bookshelf is 36 inches what is the width of the bookshelf?
fenix001 [56]
The width is gonna be 6. Why? because all you have to do is devide 216 and 36 because since 216 is the whole the 36 must be other side
7 0
3 years ago
Solve the following equation:
saul85 [17]

Answer:

to get ride of the x² you are gonna square root both sides so it is now 2x=5 divide by 2 on both sides and boom x=2.5

8 0
2 years ago
If Olivia makes a smoothie with a ratio 7 strawberries to 2 bananas, how many strawberries would she use with 3 bananas?
Leviafan [203]

Answer:

13

Step-by-step explanation:

7strawberries 2 bananas 3 and she use the 3 bananas

and answer is.13

5 0
3 years ago
Read 2 more answers
I need help!!!!!!!!!​
lutik1710 [3]

Answer:

a) 39 b) 17

Step-by-step explanation:

12x - 9

12(4) - 9

48 - 9

39

d/15 + 13

(60)/15 + 13

4 + 13

17

3 0
3 years ago
Read 2 more answers
Other questions:
  • Your younger sister has a toy that swings back and forth when it is pushed. Your sister pushes the toy and lets it swing freely.
    12·2 answers
  • I need help help on 4 please
    13·1 answer
  • Teresa is 25 years old, and she makes $30,000 per year. If Teresa were to die,
    14·1 answer
  • What is the answer for 39 40 36 37 33 34
    8·2 answers
  • Which of the following represents the most accurate estimation of 38+23
    12·2 answers
  • Triangles ABC and DEF are similar. The ratio of the side lengths in triangle ABC to triangle DEF is 1:3. If the area of triangle
    7·2 answers
  • Tracey paid $374.25 for a new iPad. What was the original cost if the iPad was on sale for 25% off
    13·1 answer
  • A boat's speed in still water is 4 km/h. The boat cruises from A to B along a river flowing at an average speed of x km/h in the
    13·1 answer
  • Triangles A B C and L M N are shown. Angle B A C is 58 degrees. Angle M L N is 78 degrees. Sides A B and L M are congruent. Side
    8·1 answer
  • What is the range of the given function?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!