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
bagirrra123 [75]
3 years ago
14

Solve the system of linear equations using elimination.

Mathematics
1 answer:
m_a_m_a [10]3 years ago
5 0

Answer:

Option A) x = 3 and y = 5

Step-by-step explanation:

−7x + 3y = −6_____ first equation

−3x + 3y = 6_____ second equation

Since both equations have "y" that share the same coefficients (that is 3),we can solve this equation.

---First step is to subtract the equation 2 from 1

−7x + 3y = −6

−3x + 3y = 6

From the above equation, we have

-4x = -12

Divide both sides by -4

X = 3

--- Substitute x = 3 in equation 1

−7x + 3y = −6

-7(3) + 3y = -6

-21 + 3y = -6

3y = 21 - 6

3y = 15

Y = 5

X = 3 and y = 5( option a)

You might be interested in
I need to find the volume for number 10
kumpel [21]

Using the diagonal dimension and the height we can solve for the diameter of the cylinder using the Pythagorean theorem.


x^2 + 9.5^2 = 19.3^2

x^2 + 90.25 = 372.49

x^2 = 372.49 - 90.25

x^2 = 282.24

x = √282.24

x = 16.8


Now we know the diamteer and height, we can calculate the volume using the formula V = pi * r^2 * h

r = 1/2 the diameter = 16.8/2 = 8.4

using 3.14 for pi

Volume = 3.14 * 8.4^2 * 9.5

V = 3.14 * 70.56 * 9.5

v = 3.14 * 670.32

v = 2104.8 cubic meters


5 0
3 years ago
Distribute! only 5 problems!
Dominik [7]

Answer:

ok

Step-by-step explanation:

4 0
3 years ago
Can someone please factor this 15x^2-17x-18
Rudiy27
Answer is 18 and value of x is 0



5 0
3 years ago
What is the prime factorization of 45/72
emmainna [20.7K]
5/8 I believe. You can divide both by 9
4 0
3 years ago
Write the equation of the line from the given information. through (-3,5) & (4,-2)
Masteriza [31]

Answer:

y = -x + 2

Step-by-step explanation:

(-3,5) and (4,-2)

Slope: (-2-5)/(4 - - 3) = -7/7 = -1

y-intercept= -2 - (-1)(4) = -2 + 4 = 2

7 0
2 years ago
Other questions:
  • What is 95.045 greater than less than or equal to 95.545
    12·1 answer
  • A physician orders 0.5oz of magnesia and alumina oral suspension antacid 4 times per day for a client with indigestion.how many
    7·1 answer
  • Explain the steps to measuring an angle using a protractor. How do you determine an angle’s measurement in degrees?
    7·1 answer
  • If ten is no more than four times the sum of twice a number and three how do I write and work this for algebra
    7·1 answer
  • A muffin recipe calls for 4 tablespoons of water to make 10 servings. How many tablespoons of water are needed to make 8 serving
    12·1 answer
  • What is the equation of the line graphed below?
    6·2 answers
  • ASAP easy for anyone part 4
    14·1 answer
  • Rewrite the expression 8×4×−2×3+8÷2 with parentheses to make this statement true: 8×4×−2×3+8÷2 = 25.
    9·1 answer
  • Each solid is composed of a rectangular prism and a regular prism. Find the surface area of the solid.
    6·1 answer
  • What is the classification of each system? Drag the answers into the boxes to match each system. {4x−2y=102x−y=5 {y=2x−3−2x y=−5
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!