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
Tanya [424]
3 years ago
8

Pls answer and thanks!!

Mathematics
2 answers:
QveST [7]3 years ago
5 0
Y=-3,x=1 because of the work
Keith_Richards [23]3 years ago
3 0

Answer:

Problem:

Solve 3x−y=6;y=x−4

Steps:

I will try to solve your system of equations.

y=x−4;3x−y=6

Step: Solvey=x−4for y:

Step: Substitutex−4foryin3x−y=6:

3x−y=6

3x−(x−4)=6

2x+4=6(Simplify both sides of the equation)

2x+4+−4=6+−4(Add -4 to both sides)

2x=2

2x

2

=

2

2

(Divide both sides by 2)

x=1

Step: Substitute1forxiny=x−4:

y=x−4

y=1−4

y=−3(Simplify both sides of the equation)

Answer:

y=−3 and x=1

Step-by-step explanation:

Hope this helped you

You might be interested in
3/7+-5/11+-5/14+3/11​
Pachacha [2.7K]

Answer:

Hey!

Your answer is 1\frac{5}{8}!

Step-by-step explanation:

Also can be written as 41/8!

HOPE THIS HELPED!

3 0
4 years ago
Read 2 more answers
Write 378 in word form
Arte-miy333 [17]
378 = three hundred seventy eight. 
6 0
3 years ago
Read 2 more answers
What is the measure of
AleksandrR [38]

Answer:

<Ber=<kem(vertically opposite angle)

9x-17=3x+31

9x-3x=31+17

6x=48

x=48/6=8

<kem=3×8+31=55°is answer

3 0
3 years ago
Charlotte bought 18 songs for her MP3 player. Three-thirds of the songs are classical songs. How many of the songs are classical
notsponge [240]

Answer:

three thirds is one whole

Step-by-step explanation:

The answer is 18 because three thirds is one whole which in this case is 18! Have a nice day!

3 0
3 years ago
While in orbit, a space shuttle travels at a speed of 28,200 kilometers per hour. What is the total number of kilometers travele
kogti [31]

Answer:

The distance is 676,800 kilometers, which in scientific notation has a value of 6.748*10⁵ kilometers.

Step-by-step explanation:

A space shuttle travels at a speed of 28,200 kilometers per hour. Given that in 1 day there are 24 hours, it is possible to apply the following rule of three: if in 1 hour the space shuttle travels 28,200 kilometers, in 24 hours how much distance will the space shuttle travel?

distance=\frac{24 hours*28,200 kilometers}{1 hour}

distance= 676,800 kilometers

Scientific notation is a quick way to represent a number using powers of base ten. This notation is used to be able to express very large or very small numbers very easily.

The numbers are written as a product:

a*10ⁿ

where:

  • a is a real number greater than or equal to 1 and less than 10, to which a decimal point is added after the first digit if it is a non-integer number.
  • n is a whole number, which is called an exponent or an order of magnitude. Represents the number of times the comma is shifted. It is always a whole number, positive if it is shifted to the left, negative if it is shifted to the right.

To write the number 676,800 in scientific notation, perform the following steps:

The decimal point is moved to the left as many spaces until it reaches the right of the first digit.  This number is then written, which will be the coefficient a in the expression of the previous product.  In this case a=6.76800= 6.748

The base 10 is written with the exponent equal to the number of spaces that the comma moves. This is a positive number because the comma is shifted to the left. In this case n= 5

Then, <u><em>the distance is 676,800 kilometers, which in scientific notation has a value of 6.748*10⁵ kilometers.</em></u>

5 0
3 years ago
Other questions:
  • Is factor and divisor the same thing?
    14·1 answer
  • Which line having the given slope and passing through the given point represents a direct variation?
    13·1 answer
  • Write the expression represented by n students divided into 6 groups
    9·1 answer
  • Step : You should now have four terms<br> Directions: Factor each polynomial.<br> 2x2 + 17x + 21
    8·1 answer
  • Please help me! I am stuck on this problem!
    5·1 answer
  • Heather bought a pair of shoes for$75. She paid an 8.4% sales tax. What is the amount of sales tax she paid?
    9·1 answer
  • If the sun is 70° above the horizon. find the length of the shadow cast by a building 63ft tall. Round to the nearest tenth
    15·1 answer
  • I don’t know what to do please help
    11·2 answers
  • Solve (3x-4)-(5x-3) and simplify the answer!
    14·1 answer
  • The Wilson family invited 100 relatives to their Christmas party. 90 guests had Dutch heritage, 80 had German heritage and 75 ha
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!