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
IceJOKER [234]
3 years ago
9

How do you decide whether substitution is the best method to solve a system in three variables?

Mathematics
1 answer:
Ivan3 years ago
3 0
<span>Select one equation and solve it for one of its variables.
In the other equation, substitute for the variable just solved.
Solve the new equation. 
<span>Substitute the value found into any equation involving both variables and solve for the other variable. </span></span>
You might be interested in
A company makes 120 bags.
Vera_Pavlovna [14]

Answer:

7/15

Step-by-step explanation:

You have 120 bags. 64 of them in total do not contain buttons.

120 - 64 = 56

You have 56 bags with buttons. The simple answer is,

56/120

You can simplify this down to 7/15

If you're looking for percent, the answer is 46.67%

5 0
3 years ago
a bag contains four blue, three green, and five red balls. if four balls are drawn at random, what is the probability that two a
inn [45]
The Fully simplified answer is 1/36
5 0
2 years ago
Can somebody plz help answer these questions correctly thanks! (Grade7math) btw :)
Monica [59]

Answer:

1. both boxes 3

2. both boxes 7

3. both boxes 5

4. both boxes 2

5. top box 12 bottom 18

6. top box 9 bottom box 11

7. top box 42 bottom box 60

8. top box 4 bottom box 5

7 0
3 years ago
If your favorite drones original price was $1,400, what would the price be if it were 73% off?
choli [55]
The drone would be would be $378
8 0
3 years ago
Read 2 more answers
18182737756l748484884+1727727123444484747747474747477474747474747
KonstantinChe [14]
204878 that the answer
5 0
3 years ago
Read 2 more answers
Other questions:
  • In a quadrilateral MNOP the length of side MN is (4x − 7) units and the length of side ON is (7 − 3x) units. What value of x wil
    8·1 answer
  • A little girl has a 96-pack of crayons. She picks up crayons, at random, to check the color, and she leaves them in a separate p
    11·1 answer
  • the measure of angle s = 30 degrees, the measure of arc RS = 84 degrees and line RU is tangent to the circle at R. Find m angle
    11·2 answers
  • Show work to divide 25 into 142,225
    5·1 answer
  • Y=21.95x+10<br> y=22.45x<br><br> Solve by substitution
    6·1 answer
  • 5 + 7n=-23<br> A) (5) B) (-4<br> C) (-5) D) (11)
    9·1 answer
  • NEED HELP NOW 100 POINTS 2 PHOTOS WILL MARK BRAINLIEST ANSWER!!! HURRY!!!!!!
    7·2 answers
  • 100 · (3/5)2 − 7 = ?
    15·1 answer
  • Laura borrowed $490 at 11% for 6 years. what was the total interest?
    10·2 answers
  • Helpppppppppppppppp<br>find x​
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!