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lorasvet [3.4K]
3 years ago
13

Ellie uses 27 feet of fabric to make 48 doll dresses.she uses the same amount of fabric to make each dress.how many yards of fab

ric did Ellie use to make each dress?
Mathematics
2 answers:
JulsSmile [24]3 years ago
6 0

Answer: \frac{3}{16}\ yards

Step-by-step explanation:

Given: The amount of fabric used by Ellie to make 48 doll dresses=27 feet

We know that 1 yard = 3 feet

⇒ 1 feet =\frac{1}{3} yard

Therefore, 27 feet  =\frac{27}{3} =9 yards

If she uses the same amount of fabric to make each dress.

Then , the amount  of fabric used by Ellie to make =\frac{9}{48}=\frac{3}{16}\ yards

Hence, the the amount  of fabric used by Ellie to make =\frac{3}{16}\ yards

babunello [35]3 years ago
4 0
First you need to know how many feet are in a yard.you divide 27 by 3 and you get 9. and to check your answer multiply 27 by 48 and you get 432 then you divide that by 9 and you get 48. so she used 9 yards of fabric for each dress.
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URGENT!!!
Makovka662 [10]

Answer:

Train A - 50 miles per hour

train B - 30 miles per hour

Step-by-step explanation:

Let x mph be the speed of the train B, then the speed of the train A is (x+20) mph.

In 3 hours,

  • train A travels 3(x+20) miles
  • train B travels 3x miles

In total, they covered the distance of 240 miles, so

3(x+20)+3x=240\ \ \ \text{[Divide by 3]}\\ \\x+20+x=80\\ \\2x=80-20\\ \\2x=60\\ \\x=30\ mph\\ \\x+20=30+20=50\ mph

8 0
3 years ago
Can someone please check this I'm not sure if it's y=126 or is the 126 negative
timurjin [86]
So to solve for y, subtract 108 from each side.
The equation becomes -y=126

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6 0
2 years ago
The senior class want to play a practical joke on the principal, who was a former college basketball star. They want to fill his
steposvetlana [31]

The number of basketball that will fill up the entire office is <u>approximately 16,615.</u>

<em><u>Recall:</u></em>

Volume of a spherical shape = \frac{4}{3} \pi r^3

Volume of a rectangular prism = l \times w \times h

<em><u>Given:</u></em>

Diameter of basketball = 9.5 in.

Radius of the ball = 1/2 of 9.5 = 4.75 in.

Radius of the ball in ft = 0.4 ft (12 inches = 1 ft)

Dimension of the office (rectangular prism) = 20 ft by 18 ft by 12 ft

  • First, find the volume of the basketball:

Volume of ball = \frac{4}{3} \pi r^3 = \frac{4}{3} \times \pi \times 4.75^3\\

Volume of basketball = 448.92 $ in^3

  • Convert to ft^3

1728 $ in.^3 = 1 $ ft^3

<em>Therefore,</em>

  • Volume of basketball = \frac{448.92}{1728} = 0.26 $ ft^3

  • Find the volume of the office (rectangular prism):

Volume of the office = 20 \times 18 \times 12 = 4,320 $ ft^3

  • Number of basket ball that will fill the office = Volume of office / volume of basketball

  • <em>Thus:</em>

Number of basket ball that will fill the office = \frac{4,320}{0.26} = 16,615

Therefore, it will take approximately <u>16,615 balls</u><u> to fill up the entire office</u>.

Learn more here:

brainly.com/question/16098833

6 0
2 years ago
3 miles = how many feet
LUCKY_DIMON [66]
15,840 feet. best of luck mate
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3 years ago
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Sever21 [200]
The answer is:
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2 years ago
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