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
Gwar [14]
3 years ago
15

What is 2x+y=-4 step by step please and i will give you 44 points for this!!!

Mathematics
1 answer:
Anni [7]3 years ago
5 0

Answer: 0=0

Step-by-step explanation:

First you want to solve for x

2x+y=−4

Step 1: Add -y to both sides.

2x + y + −y =−4+ −y

2x=−y−4

Step 2: Divide both sides by 2.

2x/2= -y-4/2

x=-1/2y-2

Then you want to plug in your answer for x into the equation so:

2(-1/2y-2)+y=-4

Step 1: Simplify both sides of the equation.

2(-1/2y-2)+y=-4

(2)( −1/ 2 y)+(2)(−2)+y(Distribute)

−y+−4+y=−4

(−y+y)+(−4)=−4(Combine Like Terms)

−4=−4

−4=−4

Step 2: Add 4 to both sides.

−4+4=−4+4

0=0.

Sorry if this wasn't the answer your looking for. If you need more help I suggest using Ma.th.Pa.pa calculator but with out the periods. Hope you have a good day :)

You might be interested in
I need help with 6,7 pleaaseee
antiseptic1488 [7]
6. addition property of equality (because 7 was added to each side)

7. A function has no repeating x values.....so the one that is not a function WILL HAVE repeating x values......and that would be C because it has repeating 2's
5 0
3 years ago
For a data set of weights​ (pounds) and highway fuel consumption amounts​ (mpg) of eight types of​ automobile, the linear correl
Jobisdone [24]

Answer:

The P value indicates that the probability of a linear correlation coefficient that is at least as extreme is 0.3% which is not significant (at α = 0.05), so there is insufficient evidence to conclude that there is a linear correlation between weight and consumption. of highway fuel in cars.

Step-by-step explanation:

We have that the correlation coefficient shows the relationship between the weights and amounts of road fuel consumption of seven types of car, now the P value establishes the importance of this relationship. If the p-value is lower than a significance level (for example, 0.05), then the relationship is said to be significant, otherwise it would not be so, this case being 0.003 not significant.

The statement would be the following:

The P value indicates that the probability of a linear correlation coefficient that is at least as extreme is 0.3% which is not significant (at α = 0.05), so there is insufficient evidence to conclude that there is a linear correlation between weight and consumption. of highway fuel in cars.

5 0
3 years ago
Jace and Ellie are helping their friend Oliver move: Jace can move one box for every two boxes does Elle can move five boxes how
Simora [160]

Answer:

Two.

Step-by-step explanation:

If Ellie moves five boxes, and Jace can move one for every two Ellie moves, Jace can move two boxes.

3 0
2 years ago
Please help!<br> Will give brainliest
zhuklara [117]

Answer:

16 nickels

Step-by-step explanation:

I just divided 32 by 2 I don't know if its completely right though

5 0
3 years ago
If sin Ѳ = cos 40, find the value Ѳ
Jet001 [13]

Answer:

Θ = 50°

Step-by-step explanation:

Using the cofunction identity

cosx = sin(90 - x)

Given

cos40° = sin(90 - 40)° = sin50° ⇒ Θ = 50°

7 0
3 years ago
Read 2 more answers
Other questions:
  • "Which diagram below shows the first step in parallel line construction on a point outside a line?
    15·2 answers
  • What is 460 squared???? I hate algebra so much
    7·2 answers
  • 20. What is the volume, in terms of r, for a cylindrical
    9·1 answer
  • Hey Guys...I need help again... Which graph represents a proportional relationship?
    12·2 answers
  • I can add fractions with unlike denominators 3/7 + 1/6 =<br><br><br><br>PLEASE WITH THIS QUESTION ​
    5·2 answers
  • What is the LCM of 2 and 5
    11·2 answers
  • A 45000 car depreciates 12% each year how much does the car decrease by the end of the 1st year
    10·1 answer
  • Find what is x + 2½ = 10?
    15·2 answers
  • Translate the sentence into an equation.
    12·1 answer
  • Can i have help with this question please i don’t understand
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!