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
mr_godi [17]
2 years ago
5

Solve using elimination y = 3x + 4 y = 2x + 2

Mathematics
1 answer:
Murrr4er [49]2 years ago
5 0

Answer:

x=-2

y=-2

Step-by-step explanation:

express the system in standard form

-(3x)+y=4 (equation 1)

-(2x+4y=2 (equation 2)

------------------

Subtract 2/3x(equation 1) from equation 2

-(3x)+y=4 (equation 1)

0x+y/3=-2/3 (equation 2)

-----------------

Multiply equation 2 by 3

-(3x)+y=4 (equation 1)

0x+y=-2 (equation 2)

----------------

Subtract equation 2 from equation 1

-(3x)+0y=6 (equation 1)

0x+y=-2 (equation 2)

----------------

Divide equation 1 by -3:

X+0y=-2 (equation 1)

0x+y=-2 (equation 2)

You might be interested in
What is the length of the unknown side?
mestny [16]

Answer:

use Pythagoras theorem

✓12x12+16x16

✓400

20

3 0
2 years ago
Read 2 more answers
A man travels 42km in 45 minutes . What is his average speed in kilometers per hour​
Maurinko [17]
45x = 42�60

x = 42�60 / 45

x = 14*4 = 56 km/hr

5 0
3 years ago
Read 2 more answers
See attachment for the whole question.
KengaRu [80]

Using probability concepts, it is found that:

a) \frac{4}{13} probability of drawing a card below a 6.

b) \frac{4}{9} odds of drawing a card below a 6.

c) We should expect to draw a card below 6 about 4 times out of 13 attempts, which as an odd, it also 4 times for every 9 times we draw a card above 6, which is the third option.

------------------------------

  • A probability is the <u>number of desired outcomes divided by the number of total outcomes</u>.

Item a:

  • In a standard deck, there are 52 cards.
  • There are 4 types of cards, each numbered 1 to 13. Thus, 4 \times 5 = 20 are less than 6.

Then:

p = \frac{20}{52} = \frac{4}{13}

\frac{4}{13} probability of drawing a card below a 6.

Item b:

  • Converting from probability to odd, it is:

\frac{4}{13 - 4} = \frac{4}{9}

\frac{4}{9} odds of drawing a card below a 6.

Item c:

  • The law of large numbers states that with a <u>large number of trials, the percentage of each outcome is close to it's theoretical probability.</u>
  • Thus, we should expect to draw a card below 6 about 4 times out of 13 attempts, which as an odd, it also 4 times for every 9 times we draw a card above 6, which is the third option.

A similar problem is given at brainly.com/question/24233657

7 0
3 years ago
Solve for c in terms of a and b <br><br> a=b+c
Rina8888 [55]

Answer:

A - B = C

Step-by-step explanation:

you have to isolate C, so in order to do that you need to subtract the positive B from both sides. so you are left with just C on the right and A - B on the left.

7 0
2 years ago
Marco read that a honeybee fly up to 2.548 meters per second.He rounded the number to 2.55 to which place value did marco round
Kazeer [188]
He rounded to the hundredth.
7 0
3 years ago
Other questions:
  • Jacob and Zachary go to the movie theater and purchase refreshments for their friends. Jacob
    5·2 answers
  • Which is the solution for log(3x - 1) + log 2 = log 4 + log (x + 2) ?​
    8·2 answers
  • Ahmad needs to make a total of 95 deliveries this week. So far he has completed 76 of them. What percentage of his total deliver
    13·1 answer
  • I need help please if m&lt;MNR=43 and m&lt;MNP=84 find: m&lt;RNP​ subtract or add
    14·1 answer
  • What is a prediction that suggests what you expect will happen? PLZ help.
    15·1 answer
  • Determine the intercepts of the line. 2x+5y=-62x+5y=−62, x, plus, 5, y, equals, minus, 6 yyy-intercept: \Big((left parenthesis ,
    7·1 answer
  • Plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz help me​
    6·2 answers
  • 4<br> CORIZ<br> What are two multiples that 8 and 16 have in common?
    11·1 answer
  • A pet shelter maintains a ratio of 5 cats to 8 dogs. If there are 117 total animals in the shelter, how many are dogs? Set up an
    11·1 answer
  • help the volume of the roller is 576cm. Calculate the height and area of ​​the roller if its radius is 8cm​.​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!