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
Mariana [72]
3 years ago
8

A discount bookstore sells hardcover books for $12 and paperback books for $6. The number of hardcover books, x, sold one day wa

s twice the number of paperback books, y, sold the same day. The total sales that day were $180. What is the system of equations that represents this situation
Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
8 0

Answer: the system of equations that represents this situation are

12x + 6y = 180

x = 2y

Step-by-step explanation:

Let x represent the number of hardcover books that were sold in a day.

Let y represent the number of paperback books that were sold in a day.

The discount bookstore sells hardcover books for $12 and paperback books for $6. The total sales that day were $180. It means that

12x + 6y = 180

The number of hardcover books sold that day was twice the number of paperback books. It means that

x = 2y

You might be interested in
A weight hangs from a spring attached to a ceiling, and the weight moves up and down. The table shows the distance in centimeter
sasho [114]

It seemed like it should have been so simple. There was nothing inherently difficult with getting the project done. It was simple and straightforward enough that even a child should have been able to complete it on time, but that wasn't the case. The deadline had arrived and the project remained unfinished.
7 0
3 years ago
Read 2 more answers
Is (5,3) a solution to this system of equation <br> X+y=8<br> 17x+17y=8
Degger [83]

(5, 3)

x    y

Plug in:

x + y = 8

5 + 3 = 8

8 = 8

Plug in:

17(5) + 17(3) = 8

85 + 51 = 8

136 = 8

Answer - No, (5, 3) is not a solution to this system of equations.

5 0
3 years ago
2. Three points of a parallelogram are (4, 3), (-4, 3), and (2, 3). Find the coordinates of the 4th point to complete the parall
antiseptic1488 [7]

Parallelograms have equal and parallel opposite sides

<em>The coordinates of the 4th point is (-2,3)</em>

Let the parallelogram be ABCD, such that:

A = (4,3)

B =(-4,3)

C = (2,3)

A and B have the same y-coordinates, while their x-coordinates are additive inverse

This means that:

The y-coordinates of point C and point D will be the same, while their x-coordinates will be additive inverse.

<u>For point C</u>

We have:

x = 2

y = 3

<u>For point D</u>

The coordinates would be:

x =- 2

y = 3

Hence, the coordinates of D is (-2,3)

Read more about parallelograms at:

brainly.com/question/9680084

7 0
2 years ago
I really need this thank you
a_sh-v [17]

slope intercept form: y=mx+b

y=2x-3

slope is also m

b is the y-intercept

answer:

slope is 2

y-intercept is -3

8 0
3 years ago
The height of the plant is given by the equation h = 0.50 +4. Rewrite this as a function rule where f(x)is the
mote1985 [20]
The height of the plant is given by the equation h = 0.5d + 4. Rewrite this as a function rule where f(x) is the height, in centimeters, and x is the time, in days. Use the rule to complete the table, and then use the drawing tools to create the graph representing this relationship.
6 0
3 years ago
Other questions:
  • Assume that the random variable X is normally​ distributed, with mean mu equals 100 and standard deviation sigma equals 20. Comp
    9·1 answer
  • Mrs. Deaton’s 6th grade class is creating a mural for the school entryway. Each student is creating a square with a side length
    5·1 answer
  • Can rectangular prism and a cube have the same volume
    13·1 answer
  • Navigate three times the difference of 12 and twice some number is equal to 36. find the number.
    12·1 answer
  • HELP!!!! I think its C but I'm not sure!
    15·1 answer
  • Wing<br> Find the area of the<br> parallelogram:<br> 3 cm<br> 5 cm<br> 4.5 cm<br> A= [?] cm
    6·2 answers
  • 10) A survey of business students who had taken the Graduate Management Admission Test (GMAT) indicated that students who have s
    10·1 answer
  • Fill in the missing number to make these fractions equivalent
    8·2 answers
  • HELP!!! I RLY NEED HELP WITH THIS!
    12·2 answers
  • 5 points
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!