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lara31 [8.8K]
3 years ago
13

52 gallons in 8 minutes

Mathematics
1 answer:
Sever21 [200]3 years ago
8 0
Answer: 6.5 gallons
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Describe an experiment that the sound propagates in solid<br><br><br>for class 7​
OverLord2011 [107]

Step-by-step explanation:

Take two empty ice cream cups. Make a small hole at the bottom of each cup and pass a long thread through them. Tie a knot or match stick at each end of the thread so that the thread does not slip out through the holes. ... Thus, sound can travel through a solid

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3 years ago
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3,4,6,3,2,5,6,1,12,8,3,2 calculate the mean
Bas_tet [7]

The mean is the average.

Add all the numbers together than divide by the amount of numbers there are:


3 + 4 + 6 +3 + 2 + 5 + 6 + 1 + 12 + 8 + 3 + 2 = 55

there are 12 numbers.

Mean = 55 / 12 = 4.583


Round the answer as needed.



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3 years ago
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Number 1 so I can make sure I'm right
SSSSS [86.1K]

Answer:

  228.36 ft^2

Step-by-step explanation:

1. The total surface area is the area of two trapezoids and 4 rectangles. The rectangles all have the same width, so we can figure their area by finding their total length: the perimeter of the trapezoid.

<u>rectangle area</u>

The perimeter of the isosceles trapezoid is the sum of its edge lengths:

  P = 13 +8.06 +5 +8.06 = 34.12

The rectangles are 3 ft wide, so their total area is ...

  A = LW = (34.12 ft)(3 ft) = 102.36 ft^2

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<u>trapezoid area</u>

The area of a trapezoid is given by the formula ...

  A = (1/2)(b1 +b2)h

  A = (1/2)(13 ft +5 ft)(7 ft) = 63 ft^2

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<u>total area</u>

As we said, the total area is the sum of the rectangle area and that of two trapezoids:

  total area = rectangle area + 2 × trapezoid area

  A = 102.36 ft^2 + 2 × 63 ft^2

  A = 228.36 ft^2

The area of the trapezoidal prism in figure 1 is 228.36 square feet.

6 0
4 years ago
Here are the prices of some items and the amount of sales tax charged on each in Nevada
Fynjy0 [20]

Answer:

hoped this helped

Step-by-step explanation:

  • 10$ x 0.46= 4.6

10$ + $4.20 = $14.20

  • 50$ x 0.230= 11.50

50$ + $11.50= $61.50

  • 5$ x 0.23 = 1.15

5$ + $1.15= 6.15$

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3 years ago
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5x-3=13-3x how do I find x?
STatiana [176]
X=25x−3=13−3x

5x+−3=13+−3x

5x−3=−3x+13

Step 2: Add 3x to both sides.

5x−3+3x=−3x+13+3x

8x−3=13

Step 3: Add 3 to both sides.

8x−3+3=13+3

8x=16

Step 4: Divide both sides by 8.

8x8=168

x=2


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3 years ago
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