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
Lunna [17]
3 years ago
12

If xy=15 and x+y=5, find x^2+y^2

Mathematics
1 answer:
lora16 [44]3 years ago
8 0

Answer:

- 5

Step-by-step explanation:

Note that

(x + y)² = x² + 2xy + y², thus

x² + y² = (x + y)² - 2xy ← substitute given values

          = 5² - 2(15)

          = 25 - 30

          = - 5

You might be interested in
Fred was paid $36.00 for working 4 hours. how much is he paid per hour?​
bezimeni [28]
He would get paid 9 dollars and hour
3 0
3 years ago
Which of the following is NOT true about the hypotenuse of a triangle?
fiasKO [112]

Depending on the length of the two sides of the triangle the length could be smaller than 1.

The answer that is not true is :

B. It is always greater than 1

3 0
3 years ago
A bag of marbles contains 6 blue marbles, 2 yellow marbles, 4 red marbles, and 1 green marble. What is the probability of
const2013 [10]

Answer:

2/13

Step-by-step explanation:

add them all up then divide by the yellow

3 0
3 years ago
What is a decimal that is equivalent to the fraction 28<br> ___<br> 100​
Jobisdone [24]
The decimal that’s equivalent to 28/100 is 0.28
4 0
3 years ago
Read 2 more answers
Which of the following is a logarithmic function?
Art [367]

Answer:

c

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • Write the numbers in decreasing order
    13·2 answers
  • The sum of two numbers is 7/8. one addend is 3/4. what is the other
    6·2 answers
  • 99 pints = how many quarts
    8·2 answers
  • 15 points please help thank you
    13·1 answer
  • Plzzzzzz help Solve the system by Substitution.
    10·1 answer
  • PLEASEEEEEE HELPPPPP ASAPPPPP
    6·2 answers
  • If g(x) =− 3x^2 + 5x − 7, determine g(− 3).
    9·1 answer
  • ANSWER RIGHT NOW PLS!!<br> Add. −12+(−20) Enter your answer in the box.
    14·1 answer
  • Use a t-distribution to answer this question. Assume the samples are random samples from distributions that are reasonably norma
    5·1 answer
  • Determine if the given expression is written in simplestradical form.-V 150And why?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!