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
aliya0001 [1]
3 years ago
7

Solve this simultaneous equation m+2n=10 and 2n+3m=18​

Mathematics
1 answer:
Ksju [112]3 years ago
3 0

Answer:

m=4

n=3

Step-by-step explanation:

m+2n=10

2n+3m=18

Subtract

-2m=-8

m=4

Solve for n

(4)+2n=10

2n+3(4)=18

2n=10-4

2n=18-12

2n=6

n=3

You might be interested in
What is the base of the expression 11^12?<br><br> 3<br> 11<br> 12<br> 21
Sever21 [200]

Answer:

An exponential has the base at the bottom, or the lower portion. Think of "basement" to help remember this. The exponent is the number up top, so 12 is the exponent

therefore, the correct answer is 11

5 0
4 years ago
Read 2 more answers
In a group of friends were to eat 13 candies, there would be 8 candies left. if each friend were to eat 15 candies, all the cand
Thepotemich [5.8K]

Answer:

4

Step-by-step explanation:

from 13 to 15 you added two more so you have to do 8 divided by 2 which is 4

6 0
2 years ago
Pls help good points
liq [111]
I got 3; M=-4 so you plug that in and get -4^2+5(-4)+7
-4 times -4=16
5 times -4=-20
16+(-20)=-4
-4+7=3
8 0
3 years ago
A rectangular garden 450 square feet in area is to be fenced off against rodents. find the dimensions that will require the leas
Dominik [7]
I dont know booo super sorry
8 0
3 years ago
Can someone please help me with this problem and show work?
Lina20 [59]

Answer:

The correct answer is B

Step-by-step explanation:

She starts with 29 because 29 don't have an valuable with it and she gains 12 every year, year is represented by the k. The Greater than equal to sign makes the problem can't equal anything under 120.

7 0
3 years ago
Other questions:
  • Erin washed the car 4 minutes slower than half of the amount of time it took time it took
    9·1 answer
  • 6 and 3/4 plus 4 and 2/3 equals what
    6·2 answers
  • A radio active isotope decays according to the exponential decay equation where t is in days. For the half life: The half life i
    9·1 answer
  • Sam scores a 86,92 and a 62 on his math tests.What is mean score
    7·2 answers
  • 8r-9r+11r what is the answer ​
    5·1 answer
  • What is .0487 as a percent
    7·1 answer
  • What is 55x+6=120<br><br> (Fraction form)
    5·1 answer
  • F(x) = x2 + 4 g(x) = x −5
    15·2 answers
  • How many tiles are added to each figure in the tile pattern shown above
    5·1 answer
  • What is the equation that represents the line that passes through the points (9, -2) and (12, -5)?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!