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
Contact [7]
3 years ago
5

Solve the following system of equations. Express your answer as an ordered pair in the format (a,b), with no spaces between the

numbers or symbols. 2x+7y=4 -4x -3y=14
Mathematics
1 answer:
Sholpan [36]3 years ago
3 0
2x + 7y = 4.....multiply by 2
-4x - 3y = 14
------------------
4x + 14y = 8 (result of multiplying by 2)
-4x - 3y = 14
----------------add
11y = 22
y = 2

2x + 7y = 4
2x + 7(2) = 4
2x + 14 = 4
2x = 4 - 14
2x = - 10
x = -5

solution is : (-5,2)
You might be interested in
Jacks puppy weighed 12 pounds at its first veterinary appointment at the second appointment the puppy's weight had increased by
Simora [160]

Answer:

15 pounds

Step-by-step explanation:

Given  data

Initial weight= 12 pounds

percent increase in weight = 25%

Let us find the increment

=25/100*12

=0.25*12

=3 pounds

Hence the weight in pounds of jacks puppy is

=3+12

=15 pounds

3 0
3 years ago
Bobby sells sports videos to local businesses in his area. His daily wage, W, is based on the number of hours he works, H, at th
Mamont248 [21]

Answer:

W = 7.25H - 10

7 0
3 years ago
PLS PLS PLS HELP ME WITH THIS QUESTION!!!!!!!
Artemon [7]

Answer:

f. 260 in by 100 in

Step-by-step explanation:

13 + 5 = 18

720/18 = 40

Find length:

40*13 = 520

520/2 = 260 <-- must divide by 2, 520 is the sum of twice the length

Find width:

40*5 = 200

200/2 = 100 <-- must divide by 2, 200 is the sum of twice the width

6 0
3 years ago
Read 2 more answers
Find the area of the following figure. (attached)
gregori [183]
I think it's 5.95cm2, but if im wrong, correct me please!
4 0
3 years ago
Read 2 more answers
Sara has to pay $10.75 a month for gym membership but will be billed yearly.how much will she pay in 5 1/2 years.
natta225 [31]
If it's 10.75 for one month, and there are 66 months in 5 and a half years, 10.75 x 66 = $907.50
6 0
3 years ago
Read 2 more answers
Other questions:
  • I need help on this one please
    12·2 answers
  • Since launched in 2011, Juno has traveled over 1,740,000,000 miles. What is that in scientific notation?
    9·1 answer
  • At the beginning of this month, the balance of Agatha's checking account was $782.39. So far this month, she has received a payc
    15·2 answers
  • What’s the values of a and b
    14·1 answer
  • Translate the sentence into an inequality. The quotient of y and 3 is less than or equal to -17.
    8·1 answer
  • Help me please i’ll rate brainliest
    15·1 answer
  • E Explore It!
    12·1 answer
  • Find the value of x<br><br>please help​
    5·1 answer
  • For selling his studio apartment, Martin had to pay the real estate agent a commission of 5%. The studio sold for $95,000. What
    9·1 answer
  • 1
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!