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
pantera1 [17]
3 years ago
15

Solve using elimination. 2x – 4y = 10 -3x + 4y = -19

Mathematics
1 answer:
Darina [25.2K]3 years ago
6 0

Answer:

x= 9 y=2

Step-by-step explanation:

Add up the equations vertically to eliminate y.

-x=-9

change the signs:

x=9

substitute the given value of x into the equation 2x-4y=10

2(9)-4y=10

18-4y=10

4y=8

y=2

You might be interested in
Talya so go to swim 30 miles over the summer she plans to swim 3/ 4 miles per detail she reaches her goal how many days will it
natka813 [3]

The answer would be 40 days

We achieve this answer by dividing the distance of the trip, 30 miles, by the distance traveled per day, 3/4 miles.

6 0
3 years ago
How to estimate the quotient of 49.3 divided by 6
prisoha [69]
That would be 8 because the answer is 8.21 and you round down to 8
5 0
2 years ago
Describe the patterns below in words:<br><br> a) 1, 4, 9, 16, 25...<br> b) 1, 2, 4, 7, 11...
Makovka662 [10]
A)Add 3 and the continue to add 2 more to three each time to get the next number
B)add 1 and add one to the number one each time to get the the next number
7 0
3 years ago
Read 2 more answers
ABCD is a quadrilateral.
weqwewe [10]

Answer:

A) 45=x

B) Yes, since both A and B are 90°

3 0
3 years ago
Read 2 more answers
Please help!!!!!!!!!!
aksik [14]
The answer is 9
You divide by 1215 by 15 and the answer is 81
Then you find the square root of 81 and the answer is 9
5 0
2 years ago
Read 2 more answers
Other questions:
  • 1. Evaluate a/b + c^2d for a = 6,b=3,c=4,and d=5
    10·1 answer
  • A jewelry store is selling a set of 4 pairs of gemstone earrings for $58, including tax. Neva and three of her friends want to b
    6·2 answers
  • Grant and Pedro are comparing their stocks for the week. On Monday, their results were opposite. Explain how you would graph the
    11·2 answers
  • Mrs. Rodriguez wants to pay her restaurant bill which is $24.00. A 6% tax is added by the waitress. If Mrs. Rodriguez wants to l
    12·2 answers
  • 4x + 3y - 8z<br> -5x + 7y + 10Z<br> (+) - 4x – 3y - 8z
    5·1 answer
  • What is the volume of this square pyramid?
    12·1 answer
  • Solve: 2x-3=6. p l e a s e h e l p m <br> e.
    11·1 answer
  • <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20%2B9x%2B20%3D0" id="TexFormula1" title="x^{2} +9x+20=0" alt="x^{2} +9x+20=0" ali
    13·2 answers
  • Tallulah biked 84 miles at a rate of 10.5 miles per hour. Determine how many hours she biked. Use d=rt​
    6·1 answer
  • What is the value of 4^8 over 4^8?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!