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
Anastaziya [24]
3 years ago
6

Please help!! I need the answer and the explanation on how to do this

Mathematics
1 answer:
strojnjashka [21]3 years ago
7 0

Answer:

the first one

Step-by-step explanation:

y=3x+2

2x+y=-4

becomes

3x+2=y

2x+4=-y

add them

5x+6=0

5x=-6

x=-5/6

take x and replace it for one equation

y=-8/5

You might be interested in
Marvel or DC? Which is better?
goldfiish [28.3K]

Answer: Abby- Marvel

Step-by-step explanation:

Just way better and deeper plotline in my personal opinion.

8 0
2 years ago
Read 2 more answers
If some one could help me with these three questions I will be stoked!!!please please help me my teacher didn’t walk us through
salantis [7]

17) replace the given number for "x" and evaluate

a) x² + 2x + 1   ; when x = 3

  3² + 2(3) + 1

= 9 + 6 + 1

= 16

b) x² + 2x + 1   ; when x = -4

  (-4)² + 2(-4) + 1

= 16 - 8 + 1

= 9

c) x² + 2x + 1   ; when x = 3

  (-22.872)² + 2(-22.872) + 1

= 523.128384 - 45.744 + 1

= 478.384384

18) The dependent variable is affected by the other variable and is the "output"   The independent variable is the input.

a) y = 3x - 5;    "x" is the independent variable

b) the time of day is the independent variable  (you would input the time of day to calculate the temperature).

19) Let the x-axis represent the length of the lumber cut off and the y-axis represent the length of the lumber remaining.

5 0
3 years ago
the price of a mobile phone was $600 in 2007. The price of a mobile phone is 2019 as increased to $1,100. What is the inflation
Elenna [48]

Answer:

0.83

Step-by-step explanation:

The $500 price increase over this 12 year span results in the inflation rate:

$500

---------- = 0.83..., or 0.83 to the nearest hundredth (equivalent to 83%)

 $600

6 0
3 years ago
If you hike 1/2 mile every 1/5 hour how far do you hike in two hours?
Anarel [89]

Answer:

5 miles

Step-by-step explanation:

0.5 x 10

= 5

4 0
3 years ago
Read 2 more answers
If the number of people dying of heart disease in a city increases with the price of fuel, which of the following is the stronge
koban [17]
Its a correlation not a causality, therefore the answer is A
7 0
3 years ago
Read 2 more answers
Other questions:
  • What is the place value of 2 in 24,398,407,268
    12·1 answer
  • Find m∠OLM?????????????
    9·1 answer
  • What is the product of (3a 2)(4a2 – 2a 9)?12a3 − 2a 1812a3 6a 912a3 − 6a2 23a 1812a3 2a2 23a 18
    11·2 answers
  • If 30% = $1050, how much does 100% equal
    12·2 answers
  • Which of these could be considered a statistical question?
    9·2 answers
  • If θ is an angle in standard position and its terminal side passes through the point (-7,-5), find the exact value of cot ⁡ θ co
    11·1 answer
  • Hiiioo can someone please help!❤️ <br><br> -Boopy!
    13·1 answer
  • What operation is being done to the variable in the equation -5m = -40?
    7·1 answer
  • Please answer the following…
    6·1 answer
  • Tammy learns in science class that water freezes when its temperature is
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!