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
juin [17]
3 years ago
10

-14x + 15y = 15 -21x - 20y = -10 Use substitution to find the x and y coordinates.

Mathematics
1 answer:
denis-greek [22]3 years ago
8 0
                  -14x + 15y = 15
        -14x + 14x + 15y = 14x + 15
                             15y = 14x + 15
                              15           15
                                 y = ¹⁴/₁₅x + 1
                   -21x - 20y = -10
     -21x - 20(¹⁴/₁₅x + 1) = -10
-21x - 20(¹⁴/₁₅x) - 20(1) = -10
         -21x - 18²/₃x - 20 = -10
                  -39²/₃x - 20 = -10
                            + 20  + 20
                          -39²/₃x = 10
                           -39²/₃   -39²/₃
                                   x = ⁻³⁰/₁₁₉
                                   y = ¹⁴/₁₅x + 1
                                   y = ¹⁴/₁₅(⁻³⁰/₁₁₉) + 1
                                   y = ⁻²⁸/₁₁₉ + 1
                                   y = ⁹¹/₁₁₉
                              (x, y) = (⁻³⁰/₁₁₉, ⁹¹/₁₁₉)
You might be interested in
What is the value of n?
Simora [160]
The answer for it is B.
6 0
3 years ago
How do you write the set notation for the graph below?
Ganezh [65]

The dot on -1 is open, so the number -1 is not included. You need all real numbers greater than -1.

Answer: D

8 0
3 years ago
Cool Scoops ice cream shop offers 60 different one-topping sundaes. If there are 5 flavors of ice cream, how many toppings are t
Alja [10]
How you would solve this problem is: 

60 divided by 5 = 12 

So there will be 12 toppings. 
3 0
3 years ago
Read 2 more answers
The circumference of a circle is 5(pie). Which of these correctly states the diameter? Please explain and dont just write the le
sattari [20]

Answer: C. 5

Step-by-step explanation:See the attached picture.

8 0
3 years ago
Read 2 more answers
503 and 2/3 as a decimal
dimaraw [331]
503 2/3 = 503.66 <== ur decimal


7 0
3 years ago
Other questions:
  • What is answer to t+-1=-20
    7·1 answer
  • The distance d, in meters, that a wolf runs in s seconds is represented by the equation d = 15s. What is the constant of proport
    10·2 answers
  • Determine the solution set of (x - 4)2 = 12.
    10·1 answer
  • Juan's age, x, is 4 times his age 15 years ago.
    13·2 answers
  • Employees in the marketing department of a large regional restaurant chain are researching the amount of money that households i
    6·1 answer
  • 8j-k + 14 when j = 0.25 and k = 1
    8·2 answers
  • PLEASE HELP I WILL GIVE U BRAINZ DAS WEIRD DAT MEAN U A ZOMBIE pic below
    15·1 answer
  • An electrician charges $40 to come to your house . She also charges $55 for each hour that she works .The electrican changes you
    10·1 answer
  • Brianna loves to compete in triathlons. At a race a few months ago, she finished in 360 minutes. At a race yesterday, she took 3
    7·1 answer
  • -2
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!