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
faltersainse [42]
3 years ago
8

X+Y=100 4.5X+20Y=822 Elimination, graphing,and substitution methods.

Mathematics
1 answer:
serious [3.7K]3 years ago
4 0

Answer:

y=10

4 SX +20 Y= 822

Elimination

X - 10 -4

UX - 822-20Y

6.5

10 -4 = 822-201

45

- 4.5 = 822 - 204

15.54=774

4 = 90:13

= -40.129

You might be interested in
2. What are some examples of numbers that are not rational?
8_murik_8 [283]

Answer:

π (Pi) is a famous irrational number.

Step-by-step explanation:

https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwiOs5uTkYHnAhUHVK0KHQG8D_gQjRx6BAgBEAQ&url=https%3A%2F%2Fwww.mathwarehouse.com%2Farithmetic%2Fnumbers%2Frational-and-irrational-numbers-with-examples.php&psig=AOvVaw1ZOfWq7B8H6G4s5Qp78RI-&ust=1579024048084516

7 0
2 years ago
Match the equation with its graph 3x - 6y = -18
Leno4ka [110]

Answer:

Slope: −12

Y-Intercept: −3

Step-by-step explanation:

hope this helps


7 0
3 years ago
Read 2 more answers
Which of the following are square roots of the number below? Check all that<br> apply.<br> 49
Zigmanuir [339]
The answer should be 7
4 0
3 years ago
Read 2 more answers
Identify a pattern in the given list of numbers. Then use this pattern to find the next number.​ (More than one pattern might​ e
Artist 52 [7]
It’s being divided by -3, so that means the next number is 1/3, or one third
3 0
3 years ago
Read 2 more answers
Factor 13ab^3 + 39a^2b^4
Rashid [163]
13ab^3(1+3ab) -ANSWER


You're factorising 13ab^3 from the expression - hope this helps:)
3 0
3 years ago
Read 2 more answers
Other questions:
  • What is 5x5x5x5 plz tell me
    5·2 answers
  • Nikita calculated the volume of the right triangular prism. Her work is shown below. A triangular prism. The triangular base has
    6·2 answers
  • What is the volume, in cubic feet, of a rectangular prism with a height of 18 feet, a width of 5 feet, and a length of 17 feet?
    14·1 answer
  • The Bowman family has $215,322 in assets and $182,009 in liabilities. What
    12·1 answer
  • Convert 15/9 to a decimal. A. 1.64 B. 1.67 C. 1.66 D, 1.69
    14·1 answer
  • A football player makes 15 catches for 225 yards. what is his average yards per catch
    6·1 answer
  • An angle measures 24º more than the measure of its complementary angle. What is the
    7·1 answer
  • a store owner paid $15 for a book. she marked up the price of the book by 40% to determine its selling price. what is the sellin
    9·2 answers
  • A wildlife preserve features a crocodile with a documented age of 24 years, believed to be one of the oldest crocodiles in capti
    14·2 answers
  • Which number is rational?<br> o 22<br> O 16
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!