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
polet [3.4K]
3 years ago
7

Solving systems by elimination 9x+3y=-3 2x-3y=-8

Mathematics
1 answer:
Alona [7]3 years ago
5 0

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

x

=

−

1

Step-by-step explanation:

You might be interested in
(Drop downs:) 8,6,5.5<br> (Drop downs 2:) 10.5,8,5.5 <br> (Drop downs 3:) 33,22,11
svetlana [45]

Step-by-step explanation:

Perimeter of equilateral triangle=24, side=24/3=8. Side of square=Side of equilateral triangle - 2.5 = 5.5. The perimeter of square is 4*5.5=22

3 0
3 years ago
Suppose that a person with a push mower can mow a large lawn in 2 ​hours, whereas the lawn can be mowed with a riding lawn mower
kipiarov [429]
Working together, the job takes x hours to do.

If a lawn can be mowed with a push mower is 2 hours, then in 1 hour, you do 1/2 of the job.

If the same lawn can be mowed with a riding mower in 1 hour, then in 1 hour you do 1 job.

If the same lawn can be mowed by the two mowers together in x hours, then in 1 hour you get 1/x done.

1/2 + 1 = 1/x

3/2 = 1/x

x = 2/3

They take 2/3 of an hour. 2/3 * 60 min = 40 minutes.
5 0
3 years ago
A restaurant bill before tax is $15.50. How much is a 15% tip for this bill? Be sure to round your answer to the nearest hundred
babymother [125]

Answer: <u><em>17.82</em></u>

Step-by-step explanation:

<em></em>

<em></em>

<em>1.15 x 15.50 = 17.825</em>

<em>17.825 rounded to the nearest hundreth is 17.82</em>

7 0
3 years ago
I need help ASAP please
Doss [256]

Answer:

150 four week old hens=$50

10 roosters=3 x 10=30

4 hens=20

total=50+30+20=$100

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Solve for the following equation for the given variable 24= -2(4t-4)
lys-0071 [83]

Answer:

88

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • What is the value of (3-54(2)- 16:22<br> O _40<br> -16<br> o 24<br> 56
    11·2 answers
  • Help me with my problem
    7·1 answer
  • Use the table of integrals, or a computer or calculator with symbolic integration capabilities, to find the indefinite integral.
    5·1 answer
  • I'm having trouble in base numbers. What is the base number of 11 to the 3 power
    6·1 answer
  • Trish has two containers of water for a camping trip. One container holds 2 times as much as the other. The total amount of wate
    5·1 answer
  • If figure 1 needs 3 toothpicks, figure 2 needs 6 toothpicks and figure 3 needs 9 toothpicks then how many toothpicks will be nee
    8·1 answer
  • Here is an equation: 4x−4=4x+__. What could you write in the blank so the equation would be true for:
    7·2 answers
  • Please help me on all of them if u can
    10·2 answers
  • QUESTION IS DOW BELOW 5 POINTS EACH PLEASE HELP PLEASE HELP PLEASE HELP
    8·1 answer
  • Please help with this question asap!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!