Sign In
Ask Question
Yael Coleman
Mathematics
22 November, 17:35
For any two integers x + y, |x+y|=|x|+|y|
+2
Answers (
1
)
Seth Russo
22 November, 17:39
0
Sometimes true.
Step-by-step explanation:
The statement is sometimes true and sometimes false depending on the values of x and y.
Here's an example that shows it to be true.
|x+y|=|x|+|y|
Let x = 5 and y = 6.
|x+y|=5 + 6 = 11
|x|+|y| = |5| + + |6| = 5 + 6 = 11
In this case, both sides equal 11, and the expression is true.
Here's an example that shows it to be false.
|x+y|=|x|+|y|
Let x = - 5 and y = 5.
|x+y| = |-5 + 5| = |0| = 0
|x|+|y| = |-5| + |5| = 5 + 5 = 10
The left side equals 0, and the right side equals 10. The sides are different, and the expression is false.
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Find an answer to your question 👍
“For any two integers x + y, |x+y|=|x|+|y| ...”
in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
The students in math class use square tiles to make arrays. Cleia says they can make more arrays with 8 tiles than with 9 tiles because 8 has more factors. Is Celia correct?
Answers (2)
Complete the sentence 7 is 1/10 of
Answers (2)
What is the common difference between ratio between successive terms in the sequence 1.5, 1.2, 0.96, 0.768
Answers (2)
2/3 = 6/? 2/5 = 4/? 3/4 = ?/12 4/5 = ?/10 1/2 = 5/?
Answers (1)
W (x) = 3x-7. If w (x) = 14, find x
Answers (1)
New Questions in Mathematics
A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?
Answers (1)
I am very confused on how to figure out if y = 3/4x is proportional?
Answers (2)
Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?
Answers (2)
At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?
Answers (1)
Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.
Answers (1)
Home
»
Mathematics
» For any two integers x + y, |x+y|=|x|+|y|
Sign In
Sign Up
Forgot Password?