4. When a sound from a source is refracted away from the surface of the earth, it gives an indication that the
A. air has high humidity.
B. ground is cooling faster than the air.
C. wind is

blowing in the direction of the sound.
D. air is cooler than the ground.

B. wind is blowing in the direction of the sound

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Asked 9/10/2013 4:26:11 AM

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W18. Which one of the following groups of numbers includes all prime numbers?
A. 1, 3, 11, 23
B. 7, 17, 63, 67
C. 3, 11, 23, 31
D. 2, 3, 5, 15

Question

Updated 2/3/2015 4:58:35 AM

1 Answer/Comment

3, 11, 23, 31includes all prime numbers.

Added 2/3/2015 4:58:35 AM

This answer has been confirmed as correct, not copied, and helpful.

Confirmed by jeifunk [2/3/2015 7:17:22 AM]

6. Jim bought a new pair of glasses. The lenses had six sides. The lenses were in the shape of a
A. heptagon.
B. hexagon.
C. square.
D. quadrilateral.

Question

Updated 78 days ago|12/12/2016 7:15:55 AM

1 Answer/Comment

17. For a button to fit through its buttonhole, the hole needs to be the size of the button's diameter. What size buttonhole is needed for a button with a circumference of 7.38 centimeters? (Use the value of 3.14 to represent pi.)
A. 5.14 centimeters
B. 1.14 centimeters
C. 2.35 centimeters
D. 3.69 centimeters
**Weegy:** B. 2.35 centimeters is needed for a button with a circumference of 7.38 centimeters. Sol: C = ? d, d = C / ? = 7.38 / 3.14 = 2.350. **User:**
20. The basketball court in the park is a rectangle. Two of the sides are 84 feet long, and the other two sides are 50 feet long. What is the perimeter of the basketball court?
A. 134 feet
B. 100 feet
C. 168 feet
D. 268 feet
**User:**
2. The distance from the center of a compact disc to the edge of the disc is 6 centimeters. What is the area of the compact disc?
A. 18.84 square centimeters
B. 113.04 square centimeters
C. 36 square centimeters
D. 452.16 square centimeters
**Weegy:** The answer is: A. 113.04 square. **User:** 3. What is the volume of a cube shaped box with edges 6 cm. in length?
A. 18 cu. cm.
B. 1,296 cu. cm.
C. 216 cu. cm.
D. 36 cu. cm.
**Weegy:** Volume of a cube with sides of length s:
V = s^3
V = 6^3 = 6 x 6 x 6 = 216
Answer:
B. 216 cu **User:**
4. A round patio is 14 m in diameter. What is the distance around the patio?
A. 21.98 m
B. 43.96 m
C. 153.86 m
D. 615.44 m
**Weegy:** A round patio is 14 m in diameter. the distance around the patio is 3.14*14=4396 **User:**
5. Store space in a shopping mall is often rented by the square foot. What is the area of a rectangular jewelry store that is 12 feet wide and 18 feet long?
A. 216 square feet
B. 288 square feet
C. 68 square feet
D. 576 square feet
**Weegy:** The answer is B. 216 square feet. **User:** 7. How much water can be held by a cylindrical tank with a radius of 12 feet and a height of 30 feet?
A. 2,260.8 cubic feet
B. 33,912 cubic feet
C. 13,564.8 cubic feet
D. 54,259.20 cubic feet
**Weegy:** The volume of water that can be held is D. 13564.8 cubic feet. **User:** 8. If a triangle has a height of 14 inches and a base of 9 inches, what is its area?
A. 46 square inches
B. 135 square inches
C. 126 square inches
D. 63 square inches
**Weegy:** The area of the triangle is 63 square inches. **User:** 9. The ... (More)

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Asked 9/8/2013 3:52:09 PM

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6. According to the text, the development of agriculture could have been a result of all of the following except
A. population pressure.
B. religion.
C. abundance and leisure.
D. increasing climatic stability.
**Weegy:** According to the text, the development of agriculture could have been a result of all of the following except - RELIGION.
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Expert Answered

Asked 9/8/2013 4:41:00 PM

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The most important contribution the Mongols made to encouraging trade along the Silk Roads was
A. lowering taxes for merchants.
B. providing security.
C. building a permanent road.
D. building permanent inns for travelers.
**Weegy:** The most important contribution the Mongols made to encouraging trade along the Silk Roads was providing security.
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Updated 28 days ago|1/31/2017 3:58:29 AM

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