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
TiliK225 [7]
3 years ago
12

Please help me answer this using systems of equations with elimination.

Mathematics
1 answer:
Triss [41]3 years ago
3 0
-5x+13y=-7
5x+4y=24
add the equation to eliminate x:
13y+4y=-7+24
17y=17
solve for y:
17/17y=17/17
y=1
then plug in y into any equation to solve for x:
-5x+13y=-7, y=1
-5x+(13*1)=-7
-5x+13-13=-7-13
-5x=-20
-5/-5x=-20/-5
x=4 
the answers are x=4, y=1
You might be interested in
Write the equation of the line that is perpendicular to the line y = 2x + 2 and passes through the point (6, 3).
sdas [7]

There asking for the equation, and the possible answers are 

y = 2x + 6 y = −one halfx + 3 y = −one halfx + 6 y = 2x + 3


4 0
2 years ago
In January, Angelina made one deposit of $90 to her savings account and made 3 withdrawals of $40 each. What was the total chang
Anna71 [15]
So 90 - (40*3) right ?
5 0
3 years ago
Read 2 more answers
Need help plzzzzzzzzzzxx
densk [106]

9514 1404 393

Answer:

  (a)  15/17

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the cosine relation:

  Cos = Adjacent/Hypotenuse

  cos(P) = PQ/PR

  cos(P) = 15/17

8 0
2 years ago
Can anyone help with this?
Karo-lina-s [1.5K]
The answer is B. If you take the even root of a positive number, you'll get two solutions, a positive and a negative
4 0
3 years ago
LIVE TEST NEED HELP Several students made comments about this image C B D Which comment is true? "If I know the measures of A an
Harlamova29_29 [7]
The last two are correct: “If I know the measures of Angles C and B, I can find the angles of A and D.” and “If I know the measure of angle A, I can find the measure of angle D by subtracting from 180”
Hope that helps: )
3 0
3 years ago
Other questions:
  • What is 1/2+1/4+20.00?
    9·2 answers
  • What is the solution to the proportion? Round the answer to the nearest tenth if necessary. StartFraction 52 over x EndFraction
    13·2 answers
  • Evaluate 5a+3b and (5+a)(3+b) for a=2 and b=4. How is the order of the steps different for the two expressions?
    9·1 answer
  • A football coach starts at the 0-yard line (a) and walks to the 40-yard line in 3 minutes. (b) he turns around and walks to the
    14·1 answer
  • A) 101* (x+12) <br> B)63* (7x-14) <br> C)(2x+3) (x+41)* <br> Please help :)
    12·1 answer
  • sub to my y o t u b e. my. y o u t u b e. is stiko9 the vidoe tha says oh no primo or small skate clips or slomo kickflip is my
    5·2 answers
  • Mila ran 6 times around a track that is 2/3 mile long. Which statement is true
    14·1 answer
  • A car dealership uses the linear model y = -1100x + 25000 to
    12·1 answer
  • a wheel has diameter 84cm.During a journey the wheel make 800 complete revolutions. how many meter does it travel?
    14·1 answer
  • State the domain and range of each relation.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!