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Dafna1 [17]
3 years ago
11

The cost of carpeting a sqaure yard is $9.10. How much does it cost to carpet 12.5 square yards?

Mathematics
1 answer:
lesya692 [45]3 years ago
8 0

Answer:

113.75$

Step-by-step explanation:

I. When a square yard = 9.10

   so 1 * 9.1 = 9.1

   if 12.5 square yard

   then 12.5 * 9.1 = 113.75$

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Answer:

d=2_f - 9h_f

Step-by-step explanation:

es la segunda opción

6 0
2 years ago
Tom works at an aquarium shop on Saturdays. One Saturday, when Tom gets to work, he is asked to clean a 180-gallon reef tank. Hi
vlada-n [284]

Please find the question attached below.

The equation that models the decrease in water (in gallons) of the fish tank over time (in hours) is y = - 20x + 180.

We know that a linear equation with one variable is one that contains just one variable.

Here we have to find the appropriate equation that models the given chart.

For option A. :

y = - 40x + 140

At x = 2, y = - 40*2 + 140 = - 80 + 140 = 60 =/ 140

So this option is incorrect.

For option B.:

y = - 40x + 180

At x = 2, y = - 40*2 + 180 = - 80 + 180 = 100 =/ 140

So this option is incorrect.

For option C.:

y = - 20x + 140

At x = 2, y = - 20*2 + 140 = - 40 + 140 = 100 =/ 140

So this option is incorrect.

For option D.:

y = - 20x + 180

At x = 2, y = - 20*2 + 180 = - 40 + 180 = 140

So this option is correct.

Therefore, the equation that models the decrease in water (in gallons) of the fish tank over time (in hours) is y = - 20x + 180. So, the last option is correct.

Learn more about linear equations here -

brainly.com/question/26950036

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8 0
2 years ago
Given f(x)=2x2+3x and g(x)=5x2−2x−6. <br> What is (f+g)(x) ?
forsale [732]
7x^2 + x -6

You just have to add the same terms x squared + x squared and so on
4 0
3 years ago
The time spent watching television in hours on a daily basis of eight different people was used to create the box plot shown abo
kozerog [31]

a time watching television d

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2 years ago
Please help me, it would rlly be appreciated &lt;3​
love history [14]

Answer:

C.

General Formulas and Concepts:

<u>Algebra I</u>

  • Domain is the set of x-values that can be inputted into function f(x)
  • Range is the set of y-values that are outputted by function f(x)

Step-by-step explanation:

<u>Domain</u>

We see from the graph that our x-values span from -3 to 2. Since both are closed dots, they are inclusive:

[-3, 2] or -3 ≤ x ≤ 2

<u>Range</u>

We see from the graph that our y-values span from -2 to 4. Since both are closed dots, they are inclusive:

[-2, 4] or -2 ≤ y ≤ 4

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2 years ago
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