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
Blababa [14]
3 years ago
10

3x+3y=27 3x-3y= -11 using elimination

Mathematics
1 answer:
Taya2010 [7]3 years ago
3 0
3x + 3y = 27
3x - 3y = -11
------------------add
6x = 16
x = 16/6 which reduces to 8/3

3x + 3y = 27
3(8/3) + 3y = 27
8 + 3y = 27
3y = 27 - 8
3y = 19
y = 19/3

solution is (8/3, 19/3)
You might be interested in
Count from 170 through 410 U team tens and hundreds circle at least one benchmark number
mario62 [17]
I might not be understanding what you mean but I think it is by counting 10s. 170,180,190,200,210,220,230,240,250,260,270,280,290,300,310,320,330,410.
5 0
3 years ago
How do i find BC?<br><br> Khan Academy
Brrunno [24]

Answer:

using cos=adjacent/hypotenuse

Step-by-step explanation:

in this case cos(60)=x/4√3

x=cos(60)*4√3

x=3.46

6 0
2 years ago
What is 7/8 x 1/3 x 2/3? Pls help me.
Step2247 [10]
7/36
Multiply the top together and then the bottom together and the final numbers on top and bottom is your answer.
8 0
3 years ago
Read 2 more answers
Find the unit rate.<br><br> 3.75 pints out of every 5 gallons
Veronika [31]

Answer:

1 pints out of every 1.2 gallons.

Step-by-step explanation:

3.75/3.75 = 1

5/3.75 = 1.33 repeating

1 pints out of every 1.2 gallons.

7 0
3 years ago
How many titles 250mm square will be needed to cover s kitchen floor of length 3m and breath 2.5m . The answer should be in the
nordsb [41]

Answer:

30,000 tiles

Step-by-step explanation:

Area of tile = 250mm^2 = 0.25m^2

Total area of kitchen = 3*2.5 = 7.5m^2

No of tiles = 7.5/0.25 = 30,000 tiles

6 0
3 years ago
Other questions:
  • The formula for the area (A) of a circle is A = π • r2, where r is the radius of the circle. Ronisha wants to find the area of a
    5·1 answer
  • Find the quotient and enter your answer in the box below. 617/10^2
    11·2 answers
  • jason cycled for 3 hours. He cycled 7 1/2 miles each hour for the first 2 hours and the distance he cycled for the 3rd hour was
    9·2 answers
  • Find the slope of a line passing through (6,3) and (6,9)
    14·2 answers
  • Girardo is using the model below to solve the equation 3x+1=4x+(-4)​
    11·2 answers
  • Tyler is making a bowl of punch for a party. The recipe that he is using requires 1 cup of sprite and 3
    7·1 answer
  • What effect does inflation have on the prices of goods and services?
    5·2 answers
  • The variables y and x have a proportional relationship, and y = 5 when x = 4.
    11·1 answer
  • You work for a manufacturing company and have just completed the budget process for the upcoming business year. At the end of th
    6·1 answer
  • What fraction benchmark is .58 closest to?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!