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
Damm [24]
3 years ago
9

carpet plus installs carpet for $100 plus $8 per square yard of carpet. carpet world charges $75 for installation and $10 per sq

uare yard. find the number of square yards that would cause the costs for both companies the same.
Mathematics
1 answer:
inessss [21]3 years ago
4 0
100+8x. 75+10x. That gives you the equations
You might be interested in
A TV that usually sells for $168.90 is on sale for 15% off. If sales tax on the TV is 5%, what is the price of the TV, including
pogonyaev
TV price less sale price:
$168.90 - (0.15 × $168.90) = $143.565

Total TV price with sales tax:
$143.565 + (0.05 × $143.565) = $150.74



3 0
2 years ago
Find the slope of the line through the points (10,-6) and (-1,8)
sammy [17]

Answer:

m=-14/11

Step-by-step explanation:

To find the slope use the formula: y2-y1/x2-x1

(8--16)/(-1-10)

14/-11

=-14/11

7 0
3 years ago
Determine whether the underlined number is a statistic or a parameter. In a study of all 1700 professors at a college, it is fou
lilavasa [31]

Answer:

The first option is correct.

Parameter because the value is a numerical measurement describing a characteristic of population.

Class width = 12.375

B. 21.34, 47, 60, 73, 86, 99. 112 is the lower class limit

Step-by-step explanation:

The first option is correct.

Parameter because the value is a numerical measurement describing a characteristic of population.

Parameter is a measure that describes the entire population.

Statistic basically describes a sample of the population.

From the given information , the entire 1700 professors at a college is the population and only  35 % own a television is a characteristic, called parameter, of population.

Another objective we are to find here is:

Use the given minimum and maximum data entries, and the number of classes, to find the class width, .

Class width = Maximum - Minimum /No of classes

Given that :

Maximum = 120

Minimum = 21

number of classes = 8

Then;

Class width = 120 - 21 /8

Class width = 12.375

From the given information :

B. 21.34, 47, 60, 73, 86, 99. 112 is the lower class limit

7 0
3 years ago
Toby thinks of a number less than 15. He divides it by 2 and then he adds 4. He then divides it by 3. His awnser is 3. 5
satela [25.4K]

Answer:

The number he thought of was 13

Step-by-step explanation:

Revers the problem

3.5 * 3 = 10.5

10.5 - 4 = 6.5

6.5 * 2 = 13

7 0
2 years ago
Luke has 4 more than triples the number of model cars that Andrew has. Luke has 31 cars. How many cars does Andrew have? {Write
bija089 [108]

Answer:

Andrew has 9 cars

Step-by-step explanation:

Let's start by defining what our unknowns are and how to name them:

For the number of cars Andrew has: let's use the letter A

For the number of cars Luke has: let's use the letter L

Not write the first sentence in mathematical terms:

"Luke has 4 more than triples the number of cars that Andrew has."

L = 3 * A + 4

The second phrase results on a very simple equation since it just states the number of cars that Luke has:

L = 31

Now we can combine these two equations by replacing the variable "L" in the first equation with the second equation and then solve for A:

L = 3 * A + 4

31 = 3 * A +4

31 - 4 = 3 * A

27 = 3 * A

A = 27/3

A = 9

Therefore, Andrew has 9 cars.

3 0
3 years ago
Other questions:
  • What is 6 6/7 divided by 4
    8·2 answers
  • The diameter of a penny is 19.05 mm and the thickness is 1.52 mm what is the approximate volume of the role of Penny to the near
    15·1 answer
  • Pleaseeee help
    7·2 answers
  • A submarine 725 feet below sea level ascends 475 feet before descending another 355 feet. Describe the final location of the sub
    15·1 answer
  • write a word phrase for the algebraic expression 3x - 7. the difference of three times a number x and seven the difference of se
    12·1 answer
  • The volume of this cylinder is 2700π(cubed)
    15·1 answer
  • 2
    13·2 answers
  • Pls I need help thank you
    15·1 answer
  • A family goes to a restaurant. When the bill comes, this is printed at the bottom of it:
    9·1 answer
  • Which graph represents y=3√x+2
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!