3 years ago

Solve the system of the linear equation using any method: 2x+5y=4 4x+7y=11

Mathematics

2 answers:

Olegator [25]3 years ago

4 0

(-1,4.5) will be the answer.

mr_godi [17]3 years ago

3 0

Multiply the first equation by 2:
4x+10y=8
Subtract the second equation from this so the 4x cancels:
3y = -3
y = -1
Plug into first equation:
2x -5 = 4
2x = 9
x = 9/2 = 4 1/2 = 4.5
So (x,y) = (-1,4.5)

You might be interested in

What is 1,144,646 rounded to the nearest million

marta [7]

Answer:

1,000,000

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Samantha wants to redecorate her room. She would like to replace the carpet and needs

CaHeK987 [17]

There are No pictures

6 0

2 years ago

Read 2 more answers

Will uses 3 1/4 ounces each of 5 different types to make fruit smoothies. How many ounces did he use

abruzzese [7]

3 1/4 ounces = 3.25 Ounces.

3.25 x 5 = 16.25 ounces (16 1/4 ounces)

3 0

2 years ago

Please help in 15 min tysvm<br> !

Alexxx [7]

Answer:

1) 4.68 kiloliters

2) 27800 more liters of fuel

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

What exponent or power should I put in this equation to make it true? 2.5 x 10® = 25,000 (PLZ HELP)

Over [174]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers