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
Nata [24]
3 years ago
12

Solve the system by elimination. . 4x-9y=-21 , -4x-3y=9

Mathematics
1 answer:
Ivan3 years ago
7 0
(-3, 1)
4x-9y=-21
+-4x-3y=9
-12y= -12
y=1

4x- 9(1)= -21
4x-9=-21
+9 +9
4x= -12
x=-3
You might be interested in
The number can be divided by the least common multiple of 3 and 5
kondaur [170]

9514 1404 393

Answer:

  255

Step-by-step explanation:

If the sum of digits is 12, the number is divisible by 3. If the number ends in 0 or 5, it is divisible by 5. So, we're looking for ...

  2x0 . . . where x is a digit and 2+x+0 = 12 . . . . . . not possible

  2x5 . . . where x is a digit and 2+x+5 = 12 . . . . true for x=5

The number is 255.

3 0
3 years ago
How do I use Negative and Zero Exponents
andrew-mc [135]
Zero exponent is nothing
8 0
3 years ago
Read 2 more answers
4. What's the least common multiple of each group of numbers?
mina [271]

Answer:

D. 2,5, and 6

Step-by-step explanation:

Because if u mutiply 2*5 = 10 and 2*6 is 12 as 5*6 is 30 and 2*9 is 18 .

8 0
3 years ago
A landscaping company sells 13 bushes and 4 trees for $616. Come up with an equation to describe this relationship. If trees cos
xxTIMURxx [149]

Answer:

Bushes cost $28

Step-by-step explanation:

WE have:-

4*63  + 13b = 616         where b = cost of one bush.

252 + 13b = 616

13b = 616 - 252 =  364

b = 364/13

b =  28  (answer)


6 0
3 years ago
Fared wants to enrol in a gym. He has two options, gym A that charges AED 50 as a start-up fee and AED 150 per month and gym B t
Ymorist [56]

Answer:

hope it help......................

Its A

3 0
3 years ago
Other questions:
  • A triangle has two sides of lengths 7 and 9. What value could the length of
    13·1 answer
  • homer has 24 more marbles than lisa. lisa has 105 more than bart. if the three of them have 324 marbles in total, how many marbl
    7·1 answer
  • Use the rational zero theorem to create a list of all possible rational zeros of the function f(x)=14x7-4x2+2
    15·1 answer
  • Calculus question. Please complete and explain the following.
    12·1 answer
  • Five less than seven times a number is the same as thirty. Find the number
    7·1 answer
  • -x + 23 < 2 - 2(x – 8)​
    11·1 answer
  • Help fast plz someone
    11·1 answer
  • Given <br> 4sinB=3 sin(2A+B)<br> To prove: 7cot(A+B)=cotA
    13·1 answer
  • A population of fish starts at 8000 and decreases by 6% per year. use an exponential function defined the population of fish in
    15·2 answers
  • What is the sum of (3x^2+ 5x +6) and (25x^3+ 10x² + 7x– 3)
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!