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
jok3333 [9.3K]
3 years ago
7

Solve the system using the elimination method. 3x-2y=15 x+_y=0

Mathematics
1 answer:
mestny [16]3 years ago
5 0

Answer:

x = 3, y = -3

Step-by-step explanation:

3x - 2y = 15   (eq 1)

x + y = 0        (eq 2)

(eq 2) x 2

2x + 2y = 0    (eq 3)

(eq 1) + (eq 3)

5x = 15

x = 3

SUB x=3 into (eq 2)

3 + y = 0

y = -3

You might be interested in
Help of using proportion to solve problems
Sindrei [870]

Hint: it will help to change all denominators to the same one using gcf or lcm
4 0
3 years ago
75 - { ( 8 x 3 ) + 6 }
raketka [301]

Answer:

  • 75-{(8×3)+6}
  • 75-{24+6}
  • 75-30
  • 45

hope it helps

<h3>stay safe healthy and happy.</h3>
3 0
3 years ago
Read 2 more answers
Use the function rule y=5x+1. What is y when x=3
Dmitry_Shevchenko [17]

Answer:

y = 16

(3, 16)

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

y = 5x + 1

x = 3

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    y = 5(3) + 1
  2. Multiply:                               y = 15 + 1
  3. Add:                                     y = 16
7 0
2 years ago
Read 2 more answers
A standard working day is 8 hours. If you were to work 125% of a normal day, how many total hours would you work?
Naya [18.7K]

Answer:

10

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is the solution for x in the equation?
Vsevolod [243]

Answer:

Perpendicular ⇒

m = -1/-4 = 1/4

g(x) = (1/4)x + b

3/4 = (1/4)(5) + b

b = -1/2

g(x) = (1/4)x - 1/2

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • Determine the X- and Y- intercepts for the graph defined by the given equation. Y= -8
    13·2 answers
  • What is the volume please explain your answer
    8·1 answer
  • A garden in the shape of a trapezoid has an area of 44.4 square meters. One base is 4.3 meters and the other base is 10.5 meters
    7·2 answers
  • Which of the following transformations is the only one that can change the lengths of its sides but remain similar??
    13·1 answer
  • Find the value of y for the given value of x. y=x/3+5;x=6
    10·1 answer
  • [2m-n+p]^2-[2m+n-p]^2
    10·1 answer
  • Use a table to multiply (-3a2)(a - b).
    9·1 answer
  • Drag each number to a box on the right to match each expression on the left with its product.
    8·1 answer
  • 9x-3&gt;5x+17<br> How would i solve this step by step
    9·1 answer
  • A company is interested in learning if employees are satisfied with their jobs. To find out the company hires an independent mar
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!