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
Alinara [238K]
3 years ago
12

Solve using elimination. –9x + 9y = 18 –6x + 9y = –12

Mathematics
2 answers:
Arada [10]3 years ago
8 0
You can multiply either the top or bottom equation by -1 so lets say you apply it to the bottom equation it’ll look like this:

-9x + 9y = 18
6x - 9y = 12

then the +9y and -9y will cancel out

-9x = 18
6x =12

then you add the two equations together

-3x = 30

divide both sides by -3

x = -10
ahrayia [7]3 years ago
5 0
Answer:
x = -10 and y = -8
You might be interested in
en la huerta de Rosio,las tres cuartas partes estan sembradas de papas y un quinto esta sembrado de zanahorias.si el resto no es
amm1812

Answer:

you did this to me too lol

Step-by-step explanation:

jjdfksljdkfj JFKLJSDK djfa

6 0
3 years ago
The degree of the expression 4x^5y^m is 10 what is the value of m
Gala2k [10]

Answer: 5

Step-by-step explanation:

The degree is 5+m. Setting this equal to 10, we get m = 5.

4 0
1 year ago
Brainliest for correct awnser! Hannah thinks of a number. She multiplies the number by 2, adds 4, and then divides the result by
sweet [91]

Answer:

B. Multiply 6 by 3

Step-by-step explanation:

Do the opposite order of what Hannah did. The last step that she did was divide by 3, so you would multiply the result (6) with 3:

B. Multiply 6 by 3

Your step by step for getting the number Hannah started with:

First, multiply 6 with 3:

6 x 3 = 18

Next, subtract 4:

18 - 4 = 14

Next, divide by 2:

14/2 = 7

Hannah started with the number 7.

~

7 0
3 years ago
Read 2 more answers
Which statement is correct about relations and functions?
vitfil [10]
1. all functions are relations.

2.
-7 + 3(-12) ÷ (-3)
-7 - 36 ÷ -3
-7 - (-12)
-7 + 12
5  

3.
 f(n) = n² - n    f(-4)
f(-4) = -4² - (-4)
f(-4) = 16 - (-4)
f(-4) = 16 + 4
f(-4) = 20

hope this helped, God bless!
6 0
3 years ago
Jina is saving money to buy a game. So far she has saved $36 , which is three-fourths of the total cost of the game. How much do
Elena L [17]
The answer is $48. Divide her savings by 3 since it is only three-fourths of the game's cost. $36÷3 = $12 Now you multiply the answer by 4 to get the final answer. $12 × 4 = $48
7 0
3 years ago
Read 2 more answers
Other questions:
  • What is likely to happen if a new aggregate demand curve moves to the right?
    8·1 answer
  • Answer and explanation please. ty
    6·1 answer
  • what is the smallest length that can be divided exactly into equal sections of length 5m, 8m and 12m​
    12·1 answer
  • Emily can buy daffodil bulbs in packages of 3 for $7.38 or in packages of 2 for $5.46. How much money does she save by buying 18
    14·1 answer
  • Given ABCD ~ EFGH, what is FG?<br> A.3.6<br><br> B.4.5<br><br> C.8<br><br> D.10
    10·1 answer
  • Andrew makes $6 an hour plus $9 an hour for every hour of overtime. Overtime hours are any hours more than 40 hours for the week
    7·2 answers
  • PART A: A landmark on the first map is a triangle with side lengths of 3 cm, 4 cm, and 5 cm. What are the side lengths of the tr
    12·1 answer
  • A cell phone company charges $39.99 flat fee each month, plus $0.05 per minute. If m represents the number of minutes used in a
    13·1 answer
  • How many 1/3s are in 1 2/3
    15·1 answer
  • What is the place value of the underlined digit?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!