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
Delicious77 [7]
3 years ago
10

If x2-y2 = 10 and x+y = 5, what is the value of x-y? 2-5?

Mathematics
1 answer:
netineya [11]3 years ago
8 0

Answer:

x-y=2

I don't get why they are asking you what is 2-5. That seems super basic compared to the other question it is with. Since 5-2=3, then 2-5 or -5+2=-3.

Step-by-step explanation:

We are going to use identity x^2-y^2=(x-y)(x+y)

x^2-y^2=10

(x-y)(x+y)=10

(x-y)(5)=10

Since (2)(5)=10, this implies x-y=2.

You might be interested in
PLS I NEED HELP PLSSSSSSSSSS
Oksana_A [137]
3 cm I think I hope this helps
7 0
3 years ago
Which strategy would you choose to expand (x+11)(2x+3) and write an equivalent expression
Vlad1618 [11]

Answer:

Step-by-step explanation:

Given the expression (x+11)(2x+3)

We want to expand it and write equivalent expression

Generally if we want to expand an expression we will take one of the expression in one bracket and multiply with the other bracket and then take the other expression and multiply it with the other

E.g, (a+b) × (c + d)

Then, we take a × (c+d) and also b × (c+d)

We can do it the other way round too and it will give the same results.

So, applying this to the given expression

(x+11)(2x+3)

x(2x+3) + 11(2x+3)

2x² + 3x + 22x + 33

2x² + 25x + 33

Then, the equivalent expression is 2x² + 25x + 33

(x + 11)(2x + 3) = 2x² + 25x + 33

5 0
3 years ago
What does a zero slope line look like
nikdorinn [45]
It's a horizontal line
4 0
3 years ago
Given, tanx = - 4/3. Lies in 2nd quadrant. Find sinx/2, cosx/2 and tanx/2.​
Over [174]

Answer:

Step-by-step explanation:

6 0
3 years ago
The number 2,133,538 is between what two numbers in the ten thousands?
alexgriva [62]
Billionth number jsjuushshdd
5 0
3 years ago
Other questions:
  • Write two forms for 40,023,032
    13·1 answer
  • Five more than twice a number is three times the difference of that number and two. What is the number.
    6·1 answer
  • $1,000,000 Question: Answer these algebra problems
    15·1 answer
  • Could someone please help meh? I’m testing and I need help x-x<br> Rewards- Brainliest and 15+
    15·2 answers
  • What is the value of x? Round your answer to the nearest tenth if necessary.
    7·1 answer
  • Need help ASAP pic included w/ answer options
    14·1 answer
  • Plz help will pick brainlyest
    11·1 answer
  • In Algebra you learned that Difference of Perfect Squares is x^2 - 25 = (x+5)(x-5)
    14·1 answer
  • If a=5,b=-4 and c=-3,what is the value of 2a-6b+3c?<br><br> _____
    14·2 answers
  • A shirts costs $20, the cost of the shirt increases 30%, what is the price of the shirt now?​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!