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
Ronch [10]
3 years ago
14

X+y=2 8x+3y=-19 substitution

Mathematics
2 answers:
MrRa [10]3 years ago
5 0

Answer:

Input:

f(x, y) = x^2 - y^2

Geometric figure:

hyperbolic paraboloid

3D plot:

3D plot

Contour plot:

Contour plot

Alternate form:

f(x, y) = (x - y) (x + y)

Alternate form assuming x and y are positive:

x^2 = f(x, y) + y^2

Properties as a function:

Domain

R^2

Range

R (all real numbers)

Parity

even

Partial derivatives:

d/dx(x^2 - y^2) = 2 x

d/dy(x^2 - y^2) = -2 y

Indefinite integral assuming all variables are real:

integral(x^2 - y^2) dx = x^3/3 - x y^2 + constant

padilas [110]3 years ago
4 0

Answer:

{x,y}={−5,−7}

Explain:

// Solve equation [2] for the variable  y [2]    3y = 7x + 14 [2]    y = 7x/3 + 14/3 // Plug this in for variable  y  in equation [1] [1]    8x - 3•(7x/3+14/3) = -19 [1]    x = -5 // Solve equation [1] for the variable  x [1]    x = - 5 // By now we know this much : x = -5 y = 7x/3+14/3 // Use the  x  value to solve for  y y = (7/3)(-5)+14/3 = -7 Solution : {x,y} = {-5,-7}

Hoped I helped

You might be interested in
Item 3 Monique has 3 eggs and needs to buy more. A store has 6 dozens of eggs. Monique needs to buy at least 2 dozen. The number
Hoochie [10]

Answer:

All integers from 2 to six inclusiv

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Karl drove 619.5 miles. For each gallon of gas, the car can travel 41 miles. What is a reasonable estimate of the number of gall
dusya [7]

Answer:

15

Step-by-step explanation:

Calculation for What is a reasonable estimate of the number of gallons of gas Karl used

Estimated number of gallons used=619.5 miles/41 miles

Estimated number of gallons used=15

Therefore the reasonable estimate of the number of gallons of gas Karl used is 15

6 0
3 years ago
When a national sample of heights of kindergarten children was? taken, a student was told that he was in the 20th percentile.
Nutka1998 [239]

Answer:

this question doesnt make sense as its like half of it

6 0
3 years ago
Choose the student who wrote the correct inequality.
svp [43]

Answer:

Tori

Step-by-step explanation:

if youre making over 90 percent of your free throws, then any number (P) greater than 90 is the answer

7 0
3 years ago
Read 2 more answers
What is the determinant of this matrix:
vodka [1.7K]

Answer:

-56

Step-by-step explanation:

Formula to get determinant is::

\left[\begin{array}{ccc}a&b\\c&d\end{array}\right] = ad-bc

0(0)-8(7)

0 - 56

-56

6 0
1 year ago
Read 2 more answers
Other questions:
  • Can you please help me with this question please and i will give you a Brainiest right
    14·1 answer
  • Find the measurement for angle AGE when angle FHD = 30°
    5·2 answers
  • What is the simplified expression
    8·1 answer
  • Luis made some trail mix. He mixed 4 2/3 cups popcorn, 1 1/4 cups of peanuts, 1 1/3 cups of raisins, and 3/4 cup of sunflower se
    10·1 answer
  • Mikhael bought refreshments. Sandwiches were $3 each and bottles of water were $0.75 each. He spent $318.75 on a total of 200 it
    12·1 answer
  • Catherine finds that in a randomly selected sample of 500 families in her home town, 45% own at least one computer. Her research
    7·1 answer
  • Express the standard notation: 8.48x10 to the 4th power
    10·1 answer
  • Ms. Jackson’s class is going to the zoo. The zoo charges $10 for an adult and $6 for each student. If the total was $118, how ma
    12·2 answers
  • Find the value of X and Y for all three questions. Show your work. Will give brainliest!
    5·2 answers
  • What are the values of each Halloween icon? (Math Logic Puzzles)
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!