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
photoshop1234 [79]
2 years ago
12

X+y=3 and x-ý=x1 simultaneous equation​

Mathematics
2 answers:
pshichka [43]2 years ago
7 0

Answer:

y=1, x=2

Step-by-step explanation:

x+y=3

x-y=1

Using elimination method

x-x+y--y=3-1

2y= 2

y=1

Substitute y=1 into equation 2

x-1=1

x=1+1

x=2

nadya68 [22]2 years ago
5 0

Answer:

x=1!y=2 submitted that values in question u got answers see please likable

You might be interested in
in massaschusetts a team of scientists studying great white sharks estimate that a population of 15000 seals support fewer than
Evgen [1.6K]

Answer:

The higher you go in the good chain the lower the population.

Explanation:

In the food web, there are only a few sharks since in the food chain they are higher. Just 10% energy is retained in the tissues once the energy is moved from one trophic level to another, and the leftover power is emitted as metabolic energy.

If an animal is high up the energy ladder, the individual has less resources; thus, a few of the highest predators are present in an ecosystem.

3 0
3 years ago
A costume designer needs to make 12 costumes for the school play. Each costume requires 223 yards of fabric. How many yards of f
lawyer [7]

Answer:

2676 yards

Step-by-step explanation:

12*223 is 2676

if each costume requires 223 yards then all you do is multiply the numbers

3 0
2 years ago
6x-3x+9=2+8x<br><br> X+8=15+4x-7<br><br> 4x+5-x=10+3x+4
Effectus [21]
In order to find the solution you just have to answer one of the equations to solve for x then plug it in for the other ones. so lets start. so x equals 1/3
4 0
3 years ago
The density of the American white oak tree is 752 kilograms per cubic meter. If the trunk of an American white oak tree has a ci
iVinArrow [24]
Here I hope this helps you out

8 0
2 years ago
Read 2 more answers
A mixture of acid and water is 35% acid if the mixture contains a total of 40 liters how many liters of pure acid are in the mix
melamori03 [73]
40/10 = 4 x 3.5 = 16 litres
16/2 = 8
Therefore 8 litres of pure water and 8 kites of pure acid
7 0
2 years ago
Other questions:
  • 20 points / WILL GIVE BRAINLIEST
    10·1 answer
  • 1+1=? <br> friend me plz<br> sup guys
    6·2 answers
  • Chords and intersect in circle O as shown in the diagram. Two of the angle measurements are marked. What is mCED?
    8·2 answers
  • Evaluate f(-6) for the function f(x) = 9 - 2x.<br><br> a -42<br> b 21<br> c -3<br> d 1
    7·1 answer
  • The sum of two numbers is 45 and the difference is 3. What are the numbers?​
    8·1 answer
  • Is the expression 32/-8 undefined? If not find the quotient.
    8·1 answer
  • SOMEONE HELP ME PLEASE
    5·1 answer
  • Find the measures of the numbers angles in each rectangle
    7·1 answer
  • What is the mean absolute deviation?<br> 92, 83, 88, 94, 91, 85, 89, 90
    11·1 answer
  • The population of LA is growing at a rate of 5% per year. In 2010, the population was 500,000. What would be the predicted curre
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!