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
sertanlavr [38]
3 years ago
10

Substitution of y= 4x-3 3x-2y=16

Mathematics
2 answers:
bearhunter [10]3 years ago
4 0

Answer:

(-2,-11)

Step-by-step explanation:

3x-2(4x-3)=16

3x-8x+6=16

-5x=10

x=-2

Plug back in

y=4(-2)-3

y=-8-3

y=-11

Andrew [12]3 years ago
3 0

Answer:

(-2,-11)

Step-by-step explanation:

y= 4x-3

3x-2y=16 <— substitute y from above

——————————————————————————-

3x-2y = 16

3x-2(4x-3) = 16

3x-8x+6 = 16

-5x + 6 = 16

-5x ÷ 10

x = -2

——————————————————-

Substitute the x from above to any equation to get the y value

3x-2y=16

3(-2)-2y=16

-6 - 2y = 16

-2y = 22

y = -11

——————————————————-———————

(-2,-11)

You might be interested in
300 is 100% of what number?
laiz [17]
300/x=100/100
(300/x)*x=(100/100)*x       - we multiply both sides of the equation by x
300=1*x       - we divide both sides of the equation by (1) to get x
300/1=x 
300=x 
x=300

now we have: 
100% of 300=300

The answer is 300

8 0
3 years ago
The sides of an equilateral triangle measure 16 inches. The midpoints of the sides of the triangle are joined to form another eq
Alex Ar [27]

Answer:

  90 inches

Step-by-step explanation:

The perimeter of the inscribed triangle is 1/2 that of the enclosing triangle. So, the total of perimeters is ...

  (3·16 in)(1 +1/2 +1/4 +1/8) = (48 in)(15/8) = 90 inches

5 0
3 years ago
A point is randomly chosen in the diagram shown below.
elixir [45]

Answer:

it is likely

Step-by-step explanation:

:)))

7 0
3 years ago
A company that manufactures hair ribbons knows that the number of ribbons it can sell each week, x, is related to the price p pe
mel-nik [20]

Given:

The number of ribbons it can sell each week, x, is related to the price p per ribbon by the equation:

x=1000-100p

To find:

The selling price if the company wants the weekly revenue to be $1,600.

Solution:

We know that the revenue is the product of quantity and price.

R=xp

R=(1000-100p)p

R=1000p-100p^2

We need to find the value of p when the value of R is $1600.

1600=1000p-100p^2

1600-1000p+100p^2=0

100(16-10p+p^2)=0

Divide both sides by 100.

p^2-10p+16=0

Splitting the middle term, we get

p^2-8p-2p+16=0

p(p-8)-2(p-8)=0

(p-8)(p-2)=0

Using zero product property, we get

p-8=0 or p-2=0

p=8 or p=2

Therefore, the smaller value of p is $2 and the larger value of p is $8.

5 0
3 years ago
(7x +6) - (5x - 4) = 180
BartSMP [9]

Answer:

x= 85

Step-by-step explanation:

(7x+6)-(5x-4)=180

There is a negative 1 between the two parenthesis

-1(5x-4)

-5x+4

Now plug it back into the equation and take out the parenthesis

7x+6-5x+4= 180

2x+10=180    Now we can solve

    -10  -10

2x= 170

2x/2 = 170/2

x= 85

I hope this helps! :)

8 0
3 years ago
Read 2 more answers
Other questions:
  • Three more than the product of five and a number
    6·2 answers
  • Which expression represents the sentence "add the product of 3 and 6 to 4?"
    11·2 answers
  • it takes one fourth of a gallon of paint covers one fifth of a car how much paint covers the whole car​
    10·1 answer
  • 2. Morgan ran 5 miles in 57 and a half minutes. How long did it take her to run each
    9·1 answer
  • Need help with this assignment please
    7·2 answers
  • Write and solve an equation.
    13·1 answer
  • Can You Please Help Me!!! I will mark brainiest for the best answer!
    15·1 answer
  • Consider the multivariable function f\left(x,y,z\right)=\frac{x^3-2.5y^2+\frac{z}{2}}{z\left(x-y\right)}f ( x , y , z ) = x 3 −
    5·1 answer
  • Factor the expression using the GCF.<br> 42 – 12 =
    11·1 answer
  • People from two houses 9,000 feet apart are looking up at a plane that is BETWEEN them. House 1 is west of the plane has an angl
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!