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
UNO [17]
3 years ago
12

If 3x2+3y2=42 and xy= -15, find the value of (x-y)2

Mathematics
2 answers:
Agata [3.3K]3 years ago
4 0
Was the other answer right?
salantis [7]3 years ago
3 0

Answer:

44

Step-by-step explanation:

x^2 + y^2 = 14

(x-y)^2  x^2 + y^2 - 2xy = 14 -2 * (-15) = 44

You might be interested in
A recipe calls for blueberry muffins cost for 2 3/4 cup of blueberries. You are making 1/3 of the recipe. How much blueberries s
tester [92]

Answer: 8/9 cups

Step-by-step explanation:

The word 'of' means 'times' as far as fractions are concerned. In this case, we have 1/3 of 2 1/3.

First, it is a good idea to make 2 1/3 an improper fraction - as 8/3, so now we have:

1/3 of 8/3, but since 'of' means 'times' we have,

1/3 x 8/3 = 8/9

The answer is 8/9 cups.

7 0
3 years ago
The original price of a pair of jeans is $32 the sales price 15% off the original price what is the amount off the original pric
ivolga24 [154]

$32+15%=32.15

Hope this helps ^_^

3 0
3 years ago
This is a point at which a graph intersects the x-axis.
alexandr402 [8]

Answer:

The point where the line crosses the x-axis is called the [x-intercept].

Step-by-step explanation:

7 0
3 years ago
HELP! IS THIS RIGHT?
Stells [14]

Answer:

Yes a 1:3 ratio

Step-by-step explanation:

Yes triangle A is 3 times bigger than triangle B. So it takes 3 B triangles to make one A triangle.

6 0
3 years ago
Please answer this question only if you know it!
irinina [24]

C would be chur answer i hoped i helped

7 0
3 years ago
Read 2 more answers
Other questions:
  • Latasha paid $75 to join a summer golf program. The course where she plays charges $30 per round. if Latasha spent 375, use the
    9·1 answer
  • There are five students of different ages. Their median age is 13 years A) what are two possibilities for the ages of the three
    9·1 answer
  • Mia is making fruit salad cups. She wants to make sure each fruit cup weighs 8 ounces. For her ingredients, she has 24 ounces of
    14·1 answer
  • PLEASE HELP ASAP!! i will mark you brainliest
    11·1 answer
  • Is 85 a multiple of 6
    11·1 answer
  • Set up an appropriate equation and solve. Data are accurate to two significant digits.
    7·1 answer
  • Please help me with this again
    9·2 answers
  • 1.
    7·1 answer
  • How do you solve y=3x²-6x-1 using completing the square?
    8·1 answer
  • What is the answer help
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!