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Sever21 [200]
3 years ago
11

zoes living room rug is 3 feet wide and 7 feet long she will cover the rug with 6 inch cardboard pieces for a painting project h

ow many cardboard pieces will zoe need
Mathematics
2 answers:
Alexxandr [17]3 years ago
5 0

Zoe will need 84 pieces if they are 6” by 6”

aleksley [76]3 years ago
5 0

For this case we have that by definition, 1 foot equals 12 inches.

So:

3 \ ft = 36 \ in\\7 \ ft = 84 \ in

So, the area of the Zoes carpet is:

A = 36 * 84 = 3024 \ in ^ 2

If the cardboard pieces are6 \ in\ by\ 6 \ in, then the area is:

36 \ in ^ 2

To indicate the number of necessary pieces we divide:

\frac {3024} {36} = 84

Thus, 84 pieces of cardboard are needed

Answer:

84

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3 0
2 years ago
Volume = 4,410 yd<br> 30 yd<br> radius =
Y_Kistochka [10]

Answer:

Radius = 11.85yd

Step-by-step explanation:

Volume of a Cone formula: V = πr²(h/3)

We know that;

V = Volume

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π = pi (this is a sign located on your calculator)

h = height

We are given that;

V = 4,410

r = unknown

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Let's substitute the values in:

=> V = πr²(h/3)

=> 4,410 = πr²(30/3)

=> 4,410 = πr²(10)

=> 4,410 / 10 = πr²

=> 441 = πr²

=> 441 / π = r²

=> 140.37 = r²

=> \sqrt{140.37} = r

=> 11.85 = r

Therefore, <u>the radius of the cone = 11.85yd</u>

Hope this helps!

8 0
2 years ago
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Answer:

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divide further by 5 which equals k 13

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