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
lozanna [386]
2 years ago
13

Determine the solution of the system. Show your work. Y = 5x – 9 Y = 2x + 6

Mathematics
2 answers:
Alborosie2 years ago
6 0

The solution is (x, y) = (5, 16). My "work" is to make use of a graphing calculator.



_____

You can subtract the second equation from the first. This gives

... 0 = 3x -15

Then, divide by 3 and add 5.

... 0 = x - 5

... 5 = x


Substitute this value into either equation to find y.

... y = 2x +6

... y = 2·5 +6

... y = 16


The strategy to subtract the second equation from the first is based on the observation that both equations give expressions for y, and the x-coefficient in the first equation is the larger of the two x-coefficients. Thus, the subtraction we chose will eliminate y and give an x-term with a positive coefficient.

snow_tiger [21]2 years ago
5 0
Both define y, so they are equivalent.

5x-9=2x+6
3x-9=6
3x=15
x=5

Then plug in x into any of the equations
y=2(5)+6
y=10+6
y=16

Final answer: (5,16)
You might be interested in
PLEASE HELP WILL GIVE BRAINLIEST!!! Type the correct answer in each box. If necessary, use / for the fraction bar(s).
eduard

Answer:

NEED EXAMPLE PLZ TO ANSWERS!?

5 0
2 years ago
The formula for the circumference C of a circle with radius r is C = 2πr. Which of the following is a formula for π (pi) of the
ANTONII [103]
The best and most correct answer among the choices provided by your question is none of the above.
<span>
The formula for π (pi) of the circle in terms of the circumference and radius is: Pi = C/2r.</span>


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
3 0
2 years ago
Read 2 more answers
I wanna cry Joseph pls answer this
Xelga [282]

I ain't Joseph but what's wrong?

5 0
2 years ago
2. STOP RIGHT THERE. PLEASE HELP ME WITH THIS QUESTION
Nitella [24]

Answer: 4 * 8 = -32y

4 * 5 = -20

Step-by-step explanation:

8 0
2 years ago
PLEASE HELP! I don’t understand
denpristay [2]

Answer:

(-1,0) and (5,0)

Step-by-step explanation:

The roots are the points where the y-value is 0 and the point lies exactly on the x-axis.

(blank,0)

In this parabola, the points that are exactly on the x-axis is (-1,0) and (5,0)

4 0
2 years ago
Other questions:
  • Give two ordered pairs from the graph that will support the idea that the graph is not a function. Explain how your ordered pair
    15·1 answer
  • Just an answer is needed, no explanation.
    12·2 answers
  • Adam celebrated his eighteenth birthday with friends at a Chinese restaurant. The bill came to $287.69 without tax. The service
    7·1 answer
  • Last year new Russell traveled 2378 km and 126 meters to Iceland on vacation. This year she plans to travel 5698 km and 456 m to
    8·1 answer
  • The probability distribution table shows the proportion of people living in the five different regions of a city there are now 4
    7·2 answers
  • If the sales tax rate is 5%, how much tax will you pay on a $35 sweatshirt? * 5 points
    12·1 answer
  • HAPPY THANKSGIVING!!<br><br> solve 2y + 1 ≤ 7
    14·2 answers
  • If the exchange rate is €1.20 to £1, how many pounds sterling would you get for €180?
    7·1 answer
  • Will give 30 points and Brainliest!!!!
    6·1 answer
  • How do you find a cross section of a prism?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!