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Kipish [7]
3 years ago
13

A pillow that usually costs $18 is marked down 25%. Which expressions can be used to find the new price of the pillow?

Mathematics
2 answers:
Misha Larkins [42]3 years ago
8 0

n= new price

n=18-(18*0.25)

Lorico [155]3 years ago
4 0

Answer:

x = 18-(0.25×18)

Step-by-step explanation:

The price of the pillow = $18.00

cost is marked down = 25% = \frac{25}{100} = 0.25

Let the new price be x

The expression that can be used to find the new price of the pillow will be

x = 18-(0.25×18)

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The table shows the relationship between the cost of renting a car from the Wrecko Car Rental Company and the number of days for
Fudgin [204]

Answer:

The cost of renting the car for 20 days is $481

Step-by-step explanation:

The table of values can be formed as follows;

Day,   Cost

1,         $44

2,        $67

3,        $90

4,        $113

7,        $182

10,      $251

From the given values and the scatter plot, there is a straight line relationship between the cost and the number of days of rental of a car.

The line of best fit is therefore a straight line and from the constant increase in cost ($23) for each extra day of rental, it is possible to find the slope, m, of the data as follows;

Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

(x₁, y,) and (x₂, y₂) can be taken as (1, $44) and (3, $90) respectively to give;

Slope, \, m =\dfrac{90-44}{3-1} = \dfrac{46}{2} = 23 \ as \ stated \ above

The equation in slope and intercept form is therefore, y  - 44 = 23×(x - 1), which gives;

y - 44 = 23·x - 23

y = 23·x - 23 + 44 = 23·x + 21

The cost of renting the car for 20 days is then;

10×23 + 21 = $481

The cost of renting the car for 20 days = $481.

5 0
3 years ago
Please help me solve it
Katen [24]

Answer:

63/2

Step-by-step explanation:

Hope this helps ^-^

3 0
2 years ago
Shahin makes 90 pints of lemonade in 30 minutes. How many cups of lemonade will she make in 1 hour?
lianna [129]

Answer:

180

Step-by-step explanation:

I think it is 180

4 0
3 years ago
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If a triangle has a hypotenuse of 30 inches and one side is 24 inches, what is the length of the missing side?
Mekhanik [1.2K]

Answer:

0078

Step-by-step explanation:

3 0
2 years ago
The regular nonagon has rotational symmetry of which angle measures
Margarita [4]
Rotational symmetry = 360 / # sides
rotational symmetry = 360 / 9
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