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
horsena [70]
2 years ago
13

Use substitution to solve the system of equations. -1=2x-y 8x-4y=-4

Mathematics
1 answer:
sineoko [7]2 years ago
6 0

Answer:

x=-1/2+y/2

Step-by-step explanation:

You might be interested in
Help we don’t know the answer
kvv77 [185]
Hey I don’t get this
8 0
2 years ago
What is the sign of −18 ​9/17 + (-18 9/17)?
BARSIC [14]
The sign for -18 9/17+(-18 917) is -. 
8 0
3 years ago
Read 2 more answers
17. Oranges cost 25 cents for 1/2 kilogram. How much would 8 kilograms of ornages cost? Show all of your work. Make sure to incl
Debora [2.8K]

9514 1404 393

Answer:

  $4.00

Step-by-step explanation:

We assume the price is proportional to the quantity of oranges. If p is the desired price in dollars, we want ...

  p/8 = 0.25/(1/2)

  p = 8(0.50) = 4.00 . . . . multiply by 8, simplify

8 kg of oranges would cost $4.00.

5 0
2 years ago
What are two other ways to name EF
chubhunter [2.5K]
Line EF and Line Segment EF
this is probs wrong, but idk bc there aren't any answer choices
4 0
3 years ago
Read 2 more answers
4) The heat is turned on in a room. After 5 minutes, the temperature is 64 °F and after 25 minutes, the
damaskus [11]

Answer:

F=0.4t

Step-by-step explanation:

Find the slope using the formula rise over run or y2-y2 over x2-x1

y2=72 y1=64 x2=25 x1=5

72-64/25-5=8/20=0.4

6 0
2 years ago
Read 2 more answers
Other questions:
  • What is £400 increased by 3.2%
    7·1 answer
  • Pls pls pls pls help!<br> i need it done fast!! its a timed test, i only have 3 mins left!
    15·2 answers
  • Find the x-intercept of y = 4 ^ x - 64 .
    14·1 answer
  • please it's basic math help it is based on Coordinate Transformations - my answers are wrong so could u write the correct ones p
    14·2 answers
  • there was a giant brownie on a plate at a birthday party ben ate 5/12 of the brownie walter ate 2/5 of the brownie how much more
    14·1 answer
  • boxes of sticky finger popsicles are 4.50 . The supermarket is offering 30% coupon off coupon . what is the price with the coupo
    14·2 answers
  • What is the sign of -x/-y when x&gt;0 and y &gt;0?
    10·1 answer
  • PLEASE SOMEONE HELP ME ON 4,5, AND 6 ASAP.
    5·1 answer
  • Which equation represents the relationship between x and y in the table below?
    6·1 answer
  • Help me with this please!!! :)
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!