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Troyanec [42]
3 years ago
15

a room to be carpeted is 20 ft length and 20 ft width and cost $2.25 a square foot. how much do it cost to carpet the room? ​

Mathematics
1 answer:
Dahasolnce [82]3 years ago
7 0
$900

Explanation

First, you would need to find the area of the carpet which would be length x width, equaling to 400 ft., then you’d multiply the area of the carpet (400ft) by the cost for each square foot (2.25) leaving you with the total, $900
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A local farm sells strawberries and blueberries. The ratio of the number of strawberries to blueberries it sells at 5:3. If it s
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Answer:

125

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The ratio is 5:3 so we divide the 75 by 3 to get 1 part

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3 0
2 years ago
Monica’s school band held a car wash to raise money for a trip to a parade in New York City. After washing 125 cars, they made $
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The system of linear equations represents the situation is;

x + y = 125

x + y = 1255x + 8y = 775

<h3>Simultaneous equation</h3>

Simultaneous equation is an equation in two unknown values are being solved for at the same time.

let

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  • number of premium washes = y

x + y = 125

5x + 8y = 775

From equation (1)

x = 125 - y

5x + 8y = 775

5(125 - y) + 8y = 775

625 - 5y + 8y = 775

- 5y + 8y = 775 - 625

3y = 150

y = 150/3

y = 50

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x + y = 125

x + 50 = 125

x = 125 - 50

x = 75

Therefore, the number of quick washes and premium washes Monica’s school band had is 75 and 50 respectively.

Learn more about simultaneous equation:

brainly.com/question/16863577

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3 0
1 year ago
A water cup is shaped like a cone. It has a diameter of 3 inches and a slant height of 5 inches. About how many square inches of
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3 years ago
Show that x+y:x-y=3:2
ycow [4]

We have,

x+y:x-y=3:2

To prove that, x+ y : x - y = 3:2.

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Adding (1) and (2), we get

x+y+x-y=3+2

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⇒ x =

Put x =  in (1), we get

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⇒ y=3-=

x+y:x-y=

=3:2

So, x+y:x-y=3:2.

8 0
2 years ago
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