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
dalvyx [7]
2 years ago
8

Please use elimination 3х - бу = 18 2x + 2y = 6

Mathematics
2 answers:
Molodets [167]2 years ago
8 0

Answer:

x = 4

Step-by-step explanation:

3x - 6y = 18

2x + 2y = 6 -> 3(2x + 2y = 6)

3x - 6y = 18 -> Cross out - 6y

6x + 6y = 18 -> Cross out + 6y

9x = 36 -> Divide 9 on both sides.

X = 4

Semmy [17]2 years ago
5 0

Answer: x=4, y=-1

Step-by-step explanation:

Make a table of solutions that work for 2x+2y=6

0,3

1,2

2,1

3,0

4,-1

Now try them in 3x-6y=18

The one that works is 4,-1

You might be interested in
Which statement best describes the polynomial 2x+8?
AleksandrR [38]
A
It is a first degree polynomial (aka linear because its highest power is 1) and it has two terms (2x and 8)
It does not have eight terms and is not a monomial (one term ie 3x^2)
8 0
3 years ago
Solve for x.<br><br> 0.5x + 78.2 = 287
vladimir2022 [97]
0.5x + 78.2 = 287
          -78.2  -78.2

subtract 78.2 on both sides you will then get 0.5x = 208.8 you will then divide by 0.5 and the answer is x =  417.6
3 0
3 years ago
Read 2 more answers
Find the difference <br> 5/5 - 2/10
Shkiper50 [21]

Answer:

0.8

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Which statements about quadrilaterals are true?
USPshnik [31]
D)A rectangle is always also a parallelogram.
5 0
2 years ago
Read 2 more answers
Perimeter, Area And Volume
Maslowich

\large\huge\green{\sf{Answer:-}}

<h3>area of shaded figure= </h3>

<h2>area of whole rectangle</h2>

= lengthx breadth=15x30= 450 cm²

<h3>area of unshaded region= lengthx breadth= (30-8)x 15cm²= 22x 15cm²= 330cm²</h3>

<h3>are of shaded region</h3>

= area of whole rectangle -area of unshaded region= 450cm²-330cm²= 120cm²

therefore 120 is correct answer

6 0
2 years ago
Other questions:
  • The cost C, in dollars, to tow a car is modeled by the function C(x) = 2.5 x + 85, Where x is the number of miles towed.
    11·1 answer
  • Which of the triangle(s) shown is similar to triangle c? b d e f g h
    7·2 answers
  • What are the coordinates the vertex for the quadratic function below? f(x)=-5(x-10)^2-8
    15·1 answer
  • five consecutive terms of an arithmetic sequence have a sum of 40. The product of the middle and the two end terms is 224. Find
    6·1 answer
  • What is the value of x
    12·1 answer
  • (6x3 +16x2 – 2) = (x + 1)<br> Pls help ;(
    15·1 answer
  • Sylvester spends a total of $1725 for Common and preferred shares. He has purchased $975 worth of preferred.
    11·2 answers
  • Gianna had a canister with 6 1/2 pounds of sugar. She used 2 3/4 pounds of sugar to make cookies. How much sugar is left in the
    12·2 answers
  • A soccer stadium had a capacity of 25000 seats, but with the new area built this increased by 20%.
    14·1 answer
  • You are interested in estimating the the mean age of the citizens living in your community. In order to do this, you plan on con
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!