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
labwork [276]
2 years ago
10

Using the elimination method to solve 2 x-y=8 x + y = 20

Mathematics
1 answer:
Pepsi [2]2 years ago
7 0

Step-by-step explanation:

2x-y=8

x+y=20

------------

3x=28

×=28÷3=9.3

so

9.3+y=20

y=20-9.3

y=20.7

You might be interested in
What is 5 1/2 minus 3 1/4
Brut [27]
5 1/2 - 3 1/4

11/2 - 13/4

22/4 - 13/4 = 9/4

your answer is 2 1/4

hope this helps
7 0
3 years ago
Read 2 more answers
Use a scientific calculator to evaluate ln 26 (round to the nearest ten-thousandth).
tamaranim1 [39]
Ln 26 = 3.2581 to the nearest ten thousandth
3 0
3 years ago
Read 2 more answers
HELP DUE IN 20 MINS!<br><br><br>m∠c =?? degrees<br><br><br>° m∠d =?? degrees
dimaraw [331]

Answer:

<c = 45°

<d = 90°

I am not sure okay....this ia sq right?

6 0
2 years ago
Read 2 more answers
Simplify in Exponential form <br> First correct answer gets BRAINLIEST
svlad2 [7]

Answer:

Steps to simplifying fractions

Therefore, 9/9 simplified to lowest terms is 1/1.

Reduce 9/8 to lowest terms

9/8 is already in the simplest form. It can be written as 1.125 in decimal form (rounded to 6 decimal places).Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Lauren describes a parabola where the focus has a positive, nonzero x coordinate. Which parabola(s) could Lauren be describing?
sdas [7]

it answer is c ,d and f

5 0
3 years ago
Read 2 more answers
Other questions:
  • 1. The temperature at 2:00 a.m. was −12°. At noon, the temperature had risen 16°. At 4:00 p.m., the temperature had dropped 8°.
    8·1 answer
  • Which linear expression is a factor of the polynomoal function f(x)=x^3+2x^2​
    6·1 answer
  • What number is 18% of 250
    13·2 answers
  • If a cyclist increases his speed by 3 miles per hour, he can reduce the time required for a 6 mile trip by 10 minutes. What is t
    10·1 answer
  • Which has more momentum, a 1000 kg car moving 1 m/s or a 70 kg person sprinting at 8 m/s?
    15·1 answer
  • How to solve: 6+7=8−15
    7·2 answers
  • A house started with a value of $160,000. After 10 years its value had increased by 35%.
    15·1 answer
  • Hello I need help what is this I need to show my work 5/8 - 2/6​
    13·1 answer
  • PLEASE HELP! IMAGE ATTACHED
    12·1 answer
  • Second derivative of -2x^2+2/(x^2+1)^2
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!