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
ElenaW [278]
2 years ago
9

Find two consecutive whole numbers such that the sum of their squares is 221.

Mathematics
1 answer:
Law Incorporation [45]2 years ago
7 0
n^2+(n+1)^2=2n^2+2n+1=221
2n^2+2n=220
n^2+n=110
n^2+n-110=0
(n-10)(n+11)=0\implies n=10,n=-11

But since n must be a whole number, we ignore n=-11. So the two integers are n=10 and n+1=11.
You might be interested in
Solve for g. Show your work! g+6-3=31
Zielflug [23.3K]

Answer:

g=28, that may not be how the teacher would want you to show your work, but that's how I find the answer!

Step-by-step explanation:

6-3=3

31-3=28

28=g

So therefore 28+6-3=31

6 0
3 years ago
7. Use the properties of operations to simplify this algebraic expression. Rewrite the expression by following the directions in
Svetach [21]

Answer:

-x + -13

Step-by-step explanation:

Rewrite: 5(x – 4) + 3x – 9x + 7

Step 1: 5(x + –4) + 3x + –9x + 7

Step 2: 5x + -20 + 3x + –9x + 7

Step 3: 5x + 3x + –9x + -20 + 7

Step 4: -1x + -13

Step 5: -x + -13

3 0
3 years ago
Geometry help please. Thank you. I picked C but that answer is wrong. What term Describes RT?
Fiesta28 [93]

Answer:

angle bisector

Step-by-step explanation:

RT is an angle bisector of the triangle

6 0
2 years ago
Andrea
maksim [4K]

Answer:

a. Andrea is incorrect

b. By solving for x, we find that x does not equal 8, but it is equal to 7.

Step-by-step explanation:

8+4=2(x-1)

8+4=2x-2

12=2x-2

14=2x

x=7

4 0
2 years ago
How much could a wood chuck chuck if a wood chuck could chuck wood? <br><br><br> (¬‿¬)
likoan [24]

Answer:

infinity

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • If you roll two fair six sided dice what is the probability that at least one die shows a three
    5·2 answers
  • What the product of x and 5 is less than 75
    15·1 answer
  • Simplify<br> (4^7/5^2)^3
    8·2 answers
  • What is a root of a quadratic equation?
    9·1 answer
  • What is 365 x 8=???????
    5·1 answer
  • Please help!!!!!
    5·1 answer
  • Need help wit dis please someone
    10·1 answer
  • Whats This Questions Answer Answer It Cuz I Have math Exam After 3Days
    9·1 answer
  • In the Lincoln Grade School, 200 students are in the first grade, 150 are in the second grade, 300 in the third grade, 250 in th
    13·1 answer
  • Match each function with the expression representing its inverse function.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!