Question and answer
If you were trying to build a soundproof room, which of the following materials would you choose in order to absorb the most sound, based on the coefficient of absorption for each material? A. Concrete B. Carpet C. Wood D. Heavy curtains
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Question|Asked by dmlharris
Asked 4/1/2019 9:43:14 AM
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User: If you were trying to build a soundproof room, which of the following materials would you choose in order to absorb the most sound, based on the coefficient of absorption for each material? A. Concrete B. Carpet C. Wood D. Heavy curtains

Weegy: If you were trying to build a soundproof room, you would choose CONCRETE in order to absorb the most sound.
|Score 1|Ishm|Points 16660|

User: The large, flat piece of wood within a piano serves the same purpose as A. a guitar pick. B. the hollow box within a violin. C. a bamboo reed. D. a set of wooden drum sticks.

Weegy: The large, flat piece of wood within a piano serves the same purpose as: the hollow box within a violin.
|Score 1|maimai|Points 3580|

User: Which one of the following statements does not accurately describe the diatonic scale as it corresponds to the setup on a piano keyboard? A. The black keys are used to produce the five notes that correspond to additional frequencies on the even-tempered scale for the key of C. B. A scale would include a series of eight notes, where the first and seventh notes have the same letter. C. The white keys are used to produce frequencies for the key of C. D. Striking a key on a piano keyboard produces a sound with a specific frequency.

Weegy: A scale would include a series of eight notes, where the first and seventh notes have the same letter. -does not accurately describe the diatonic scale as it corresponds to the setup on a piano keyboard.
Expert answered|maydj|Points 7971|

Question|Asked by dmlharris
Asked 4/1/2019 9:43:14 AM
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Questions asked by dmlharris
The distance from the center of a round table top to the edge of the table top is 4 ft. What's the area of the table top? A. 25.14 sq. ft. B. 50.24 sq. ft. C. 38 sq. ft. D. 16 sq. ft.
Weegy: The distance from the center of a round table top to the edge of the table top is 4 ft. Area of the table top = pi x (r squared) = 3.14 x (4 x 4) = 3.14 x 16 = 50.24 sq ft. User: Store space in a shopping mall is often rented by the square foot. What's the area of a rectangular jewelry store that is 12 feet wide and 18 feet long? A. 576 square feet B. 288 square feet C. 68 square feet D. 216 square feet (More)
Question|Asked by dmlharris
Not Answered
Updated 7/8/2019 7:40:35 AM
1 Answer/Comment
Store space in a shopping mall is often rented by the square foot. The area of a rectangular jewelry store that is 12 feet wide and 18 feet long is 216 sq.ft.
Area = l*w =18*12 =216
Added 7/8/2019 7:40:35 AM
This answer has been confirmed as correct and helpful.
If a triangle has a height of 14 inches and a base of 9 inches, what's its area? A. 63 square inches B. 46 square inches C. 135 square inches D. 126 square inches
Question|Asked by dmlharris
Not Answered
Updated 7/8/2019 7:40:15 AM
1 Answer/Comment
A triangle has a height of 14 inches and a base of 9 inches, the area is 63 square inches.
Area = (14*9)/2 = 126/2 = 63 square inches
Added 7/8/2019 7:40:15 AM
This answer has been confirmed as correct and helpful.
What is the radius of a circle with an area of 32.1 square feet? A. 3.20 ft. B. 5.23 ft. C. 10.22 ft. D. 4.75 ft.
Question|Asked by dmlharris
Not Answered
Updated 3/25/2019 11:15:47 AM
1 Answer/Comment
The radius of a circle with an area of 32.1 square feet is 3.20 ft.
A = pi * r^2
r = sqr(A/pi)
r = sqr(32.1/3.14)
r = 3.20 (rounded)
Added 3/25/2019 11:15:47 AM
This answer has been confirmed as correct and helpful.
Find the circumference of a circle that has an area of 452.16 square meters. (Use 3.1416 as the value of .) A. 37.6992 meters B. 12 meters C. 75.3984 meters D. 24 meters
Question|Asked by dmlharris
Not Answered
Updated 7/8/2019 7:41:24 AM
1 Answer/Comment
The circumference of a circle that has an area of 452.16 square meters is 75.3984 meter.
Area = pie *r^2 = 452.16
r^2 = 452.16 /3.14
r = 12
circumference = 2*pi*r
C = 2 * 3.1416 * 12 = 75.3984
Added 7/8/2019 7:41:24 AM
This answer has been confirmed as correct and helpful.
What's the area of a square computer screen with 21-inch sides? A. 42 sq. in. B. 220 sq. in. C. 441 sq. in. D. 84 sq. in.
Weegy: The area of a square computer screen with 21-inch sides is 441 sq.inches . Area = a^2 = 21^2 = 21*21 = 441 User: If the area of a circle is 58 square feet, find the circumference. A. 42.5 ft. B. 22.35 ft. C. 4.25 ft. D. 26.99 ft. Weegy: if the area of a circle is 58 square feet, the circumference is 26.99 ft. A = pi * r^2 r = sqr(A/pi) r = sqr(58/3.1416) r = sqr(18.46) r = 4.2967 d = 4.2967 * 2 d = 8.5934 c = d * pi c = 8.5934 * 3.1416 c = 26.99 (rounded) User: Sheri's freezer is 2 feet wide, 6 feet long, and 2 feet deep. What's the volume of her freezer? A. 10 cubic feet B. 4 cubic feet C. 24 cubic feet D. 12 cubic feet (More)
Question|Asked by dmlharris
Expert Answered
Asked 3/25/2019 11:00:35 AM
0 Answers/Comments
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