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
solniwko [45]
3 years ago
11

The sum of the square of a positive number and the square of 2 more than the number is 202. What is the? number?

Mathematics
1 answer:
ehidna [41]3 years ago
3 0

Answer:

x^2 + (x + 2)^2 = 202

x^2 + x^2 + 4x + 4 = 202

2x^2 + 4x + 4 = 202

2x^2 + 4x - 198 = 0

x^2 + 2x - 99 = 0

x = -2/2 ± √((2/2)^2 - (-99))

x = 9 or x = -11

-11 is not a positive number so the number is 9.

You might be interested in
How do u solve radius
kotykmax [81]

Answer:

To calculate the radius of a circle by using the circumference, take the circumference of the circle and divide it by 2 times π.

The two formulas that are useful for finding the radius of a circle are C=2*pi*r and A=pi*r^2.

The diameter is 2 times larger than the radius

Step-by-step explanation:

Hope this helped

:)

8 0
3 years ago
The number of people contacted at each level of a phone tree can be represented by f(x) = 3x, where x represents the level.What
Sloan [31]

Answer: The answer to this bummy  question is B

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
I really need help!If someone answers this,I will be happy to mark the brainest answer!EXTRA:you can answer the top question for
andreev551 [17]

9) They traveled 31.9 hours over the 3-day trip.

10.9 + 8.6 + 12.4 = 31.9

10) She does not have enough money. She has $12, but everything she wants to purchase would cost $12.39.

Large drink = 1.79

Turkey sandwich = 4.85

1.79 + 4.85 = 6.64

6.64 + 5.75 = 12.39

5 0
3 years ago
Translate to an equation and solve the following: The quotient k and 22 is −66.
Phoenix [80]

Answer:k/22 =-66

k=-1,452

Step-by-step explanation:

6 0
2 years ago
Animals have an exrectory system with a support structure called a
IrinaVladis [17]
<span>Animals have an excretory system with a support structure called a skeleton</span>
8 0
3 years ago
Read 2 more answers
Other questions:
  • Where are the asymptotes of f(x) = tan(4x − π) from x = 0 to x = π/ 2 ?
    12·1 answer
  • Express in scientific notation.<br><br> 0.041
    14·2 answers
  • HELP ME PLEASE HELP ME ASAP PLEASE PLEASE!!! Simplify these expressions using PARAchute EXpert My Dear Aunt Sally. Type your ans
    10·1 answer
  • P is the midpoint of DE, DP=3x+2, and DE=10x−12.<br><br> What is the length of DP?
    7·2 answers
  • -5x2(2) + (-2)(2) what is the answer
    10·1 answer
  • You roll a standard number cube. What is the probability that you will roll an even number?
    8·1 answer
  • What is the area?Please i need help
    10·1 answer
  • The perimeter of a rectangular
    10·1 answer
  • The slope of the line passes through the points (2,3) and (5,9) is
    11·2 answers
  • I badly want the answer to these☠️​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!