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
svetoff [14.1K]
3 years ago
8

Solve the system using elimination. Show your work! (6 pts) (7x + 10y = 11 (4x + 3y = -10

Mathematics
1 answer:
Sholpan [36]3 years ago
5 0

Answer:

x=-7

y=6

Step-by-step explanation:

7x+10y=11

4x+3y=-10

-3(7x+10y=11

10(4x+3y=-10

-21x-30y=-33

40x+30y=-100

19x = -133 (divide 19 on both sides)

x= -7

Now put the x in one of the original questions.

7(-7)+10y=11

-49+10y=11 (Add 49 to both sides)

10y=60 (Divide 10 on both sides)

y=6

You might be interested in
Y = -x + 5<br> Write in standard form. PLEASE SHOW WORK! WILL GIVE BRAINLY!
strojnjashka [21]

Answer:

x+y=5

Step-by-step explanation:

y=-x+5

add x to both sides

x+y=5

8 0
3 years ago
Read 2 more answers
Leiff goes online to buy a new video game. He finds a site that currently has a promotion of 15% off on all orders over $50. Lei
White raven [17]
If the original price tag of the video game is $128, to get its discounted price at 15%, that means what Leiff paid for was (100-15) = 85% of the original price. So, the price of the video game then becomes (0.85 x 128) = $108.80. Since Leiff has to pay an additional 5.3% of the new price, that's (100 + 5.3) = 105.3% of the new price which is (1.053 x 108.8) = $114.57 Adding the shipping fee for the videogame, 114.57 + 4.75 = $119.32 Thus, the total price is <span>$119.32</span>
8 0
3 years ago
Read 2 more answers
2. There were 35 children and 10 adults at a cookout.
qwelly [4]

Answer:

a.2:7

b.7:9

c.4:5

hope it helps

Explanation -

a. as original ratio is 10/35 , we reduce it to 2:7.

b. as original ratio is 35/45 , we reduce it to 7:9

c. as original ratio is 40:50 , we reduce it to 4:5

5 0
3 years ago
CAN SOMEONE PLZ ANSWER THIS ITS DUE AT 11:59 APRIL 11 2021 AND ILL MARK U BRAINLIST
Luden [163]

Answer:

answer is c

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Makers Corp. had additions to retained earnings for the year just ended of $205000. The firm paid out $185000 in cash divends, a
forsale [732]

Answer:

3.9

Step-by-step explanation:

The retained earnings for the year is $205,000

The firm paid out $185,000 in cash dividend

It has total equity of$4.90 million

100,000 common shares are outstanding

Therefore the earnings per share van be calculated as follows

= 205,000+185,000/100,000

= 390,000/100,000

= 3.9

Hence the earnings per share is $3.9

6 0
3 years ago
Other questions:
  • Find the value of the trigonometric function to find an approximate value correct to give decimal places
    8·1 answer
  • Please heros of the internet i need assistance
    15·1 answer
  • Help!I got stuck and don't know what to do.
    13·1 answer
  • Do you have all the pic of profit and loss?? class 9 vedanta publication book
    15·2 answers
  • Find the equation whose graph is a parabola with vertex (2,4), vertical axis of symmetry, and contains the point (1,1). Express
    13·1 answer
  • What is 6% of 15? Use a fraction to solve
    5·1 answer
  • Select the correct answer. Two art museums are hosting new long-term exhibits. The number of daily visitors attending each exhib
    7·1 answer
  • Use the equation machine to help you solve the
    8·2 answers
  • Which model represents 3x+26=2(3+2x)
    5·1 answer
  • Is ac perpidicular to xz? explain
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!