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
bezimeni [28]
1 year ago
6

5. Solve the system: x + 3y = -5 5x - 2y = 9

Mathematics
2 answers:
kow [346]1 year ago
8 0

Answer:

(1, - 2 )

Step-by-step explanation:

x + 3y = - 5 → (1)

5x - 2y = 9 → (2)

multiplying (1) by - 5 and adding to (2) will eliminate x

- 5x - 15y = 25 → (3)

add (2) and (3) term by term to eliminate x

0 - 17y = 34

- 17y = - 34 ( divide both sides by - 17 )

y = - 2

substitute y = - 2 into either of the 2 equations and solve for x

substituting into (1)

x + 3(- 2) = - 5

x - 6 = - 5 ( add 6 to both sides )

x = 1

solution is (1, - 2 )

goldenfox [79]1 year ago
5 0

Answer:

Step-by-step explanation:

x=1

y= -2

See step by step explanation below:

You might be interested in
Kerri and James practiced for the school track meet. Kerri completed 8 laps in 16 minutes. If James ran at the same rate, how ma
katrin [286]

Answer:

it took him 10 mintues to run 5 laps

Step-by-step explanation:

6 0
3 years ago
Use the formula you just learned to help you complete the following. A circle’s diameter is approximately 14 cm.
damaskus [11]

Answer:

A= 7

B= 154

Step-by-step explanation:

A: the radius is half of the diameter

B: pie*radius to the second power

3 0
2 years ago
The line having an x intercept of 3 and y intercept of 10<br> Write this in Standard form Ax+By=C
Svetlanka [38]

Answer:

The standard form of the line is 10x + 3y = 10

Step-by-step explanation:

First we need to find the slope of the equation, which we can do using the slope equation and the two points given: (3, 0) and (0, 10)

m(slope) = (y2 - y1)/(x2 - x1)

m = (10 - 0)/(0 -3)

m = 10/-3

Now we can write the equation in slope intercept form since we have the slope and the intercept.

y = mx + b

y = -10/3x + 10

Now we can manipulate the equation to get the standard form.

y = -10/3x + 10

10/3x + y = 10

10x + 3y = 30

5 0
2 years ago
Find the perimeter of a rectangle whose length is 15 cm and length of one diagonal is 17cm
Ulleksa [173]

Answer:

<h2>46 cm</h2>

Step-by-step explanation:

first ,we use the Pythagorean theorem to determine the width:

width = √(17^2-15^2) = 8

then

perimeter = 2(width+lengt) = 2(8 + 15) = 2×23 = 46

6 0
3 years ago
Which is the graph of a logarithmic function?
adelina 88 [10]

Answer:

Answer is the first choice.

Step-by-step explanation:

A logarithmic graph is the opposite of an exponential growth graph, so the first option is the only one that fits. Just took the test and the first choice is correct.

6 0
2 years ago
Read 2 more answers
Other questions:
  • Help!! solve for x, the vertical lines are parallel.
    9·1 answer
  • PLS HELP, I AM TIMED (WILL GIVE BRAINIEST) Melvin gave me $8 to spend on candy at the candy store. I only spent $6 and he gave m
    8·2 answers
  • What percent of 99 is 90?
    11·1 answer
  • Please help, On Saturday morning, Owen earned $21. By the end of the afternoon he had earned a total of $60. Enter an equation,
    11·1 answer
  • Kylie borrowed a book from a library. The library charged a fixed rental for the book and a late fee for every day the book was
    12·1 answer
  • Harry walks to a produce market to buy bananas. If a pound of bananas costs $0.49, how much will Harry pay for 3 pounds of banan
    9·2 answers
  • 5r/2-6=19<br><br> Solve with work shown
    7·1 answer
  • Anyone help? I'm trying to answer this question but I'm confused.
    8·1 answer
  • What is the value of x, such that the perimeter of the re tangle shown is at least 48
    11·1 answer
  • Use the properties of 30-60-90 and 45-45-90 triangles to solve for x in each of the problems below. Then decode the secret messa
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!