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
son4ous [18]
3 years ago
15

Use elimination to solve the system of equations given by 3x + 4y = 5 and 21x + 28y = 35.

Mathematics
1 answer:
Alexxx [7]3 years ago
3 0
Try doing opposite fence on the = signs opposite fence example +=-
You might be interested in
A line passes through (2, 9) and has a zero slope. Write an equation of the line satisfying the given conditions.
zubka84 [21]
Okay so for finding the equation of a line, which is a function, the equation is set to y, so you can eliminate A and B. When the slope of an equation is 0, we are saying that the y value of any point of the line is going to be the same, which is 9 from the given point (2,9).

So the answer is C. y=9
5 0
3 years ago
PLEASE HELP I NEED SOMEBODY TO PARAPHRASE THIS FOR ME! I'LL MARK BRAINLIEST!! 50 POINTS!!!
Mrrafil [7]
3x + 4 = 2x + 2
3x - 2x = 2 - 4
x = -2
one solution
3 0
3 years ago
Read 2 more answers
5=2/3x what does x equal
mixer [17]

Answer:

I dont know if u mean 5 equals 2 divided by 3x, but I got 2/15

Step-by-step explanation:

3 0
3 years ago
Math problem plz help​
Firlakuza [10]

Answer:

5/2 x 1/2

Step-by-step explanation:

when you multiply fractions you multiply trait across meaning you do 5*1 and 2*2 which leaves you with 5/4 and that is equivalent to 1 &1/4

5 0
3 years ago
A laptop computer is purchased for $2700. Each year, it’s value is 70% of its value the year before after how many years will la
n200080 [17]

<u>Answer:</u> 5 years!

<u>Reasoning:</u>

Year 1: 2700 x .70=1890

Year 2: 1890 x .70= 1323

Year 3: 1323 x .70= 926.1

Year 4: 926.1 x .70= 648.27

Year 5: 648.27 x .70=453.79

3 0
3 years ago
Other questions:
  • if you didnt have a potractor,how could you reconstruct the quarter or it from 0 degrees to 90degrees
    15·1 answer
  • WILL GIVE A BRAINLIEST IF UR 100% RIGHT PLEASE HELP!!
    5·1 answer
  • The data value that occurs most often in a data set is the ____________.
    10·1 answer
  • A factory worker packed 12 boxes at a constant rate, took a 30-minute break, and then continued packing the boxes at twice the r
    6·1 answer
  • Consider the two number sets. Which set has the higher mean and what is that mean?
    5·1 answer
  • The second of two numbers is 8 less than twice the first. their sum is 19. Find the two numbers
    6·1 answer
  • 3 1/4= 1/2 + w<br> What is w?
    6·2 answers
  • Which equation could match the table?
    9·1 answer
  • What value of x would make the figure below a parallelogram? please show your work!​
    7·1 answer
  • whats the answer to this? I don't know how to do it but i need to factor it completely with whatever method gies with it.​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!