Question and answer
13. A school custodian waxed a gymnasium floor that measured 20 feet by 20 feet. How many square feet did she have to wax? A. 80 square feet B. 800 square feet C. 400 square feet D. 40 square feet
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Asked 5/19/2014 12:37:36 AM
Updated 1/25/2015 4:31:08 AM
1 Answer/Comment
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User: 13. A school custodian waxed a gymnasium floor that measured 20 feet by 20 feet. How many square feet did she have to wax? A. 80 square feet B. 800 square feet C. 400 square feet D. 40 square feet

Weegy: B. 400 square feet
jeifunk|Points 23398|

User: 14. Which one of the following groups of numbers includes all prime numbers? A. 1, 3, 11, 23 B. 3, 11, 23, 31 C. 2, 3, 5, 15 D. 7, 17, 63, 67

Weegy: A. 3, 11, 23, 31
danichix|Points 158|

User: 15. Which of the following is a composite number? A. 91 B. 139 C. 13 D. 29

Weegy: 91 is a composite number.
debnjerry|Points 59945|

User: 16. Helen had to read 148 pages of her science textbook in the 4 days remaining before an exam. If she reads the same number of pages each day, how many pages will she need to read each day? A. 40 B. 38 C. 37 D. 36

Weegy: Helen had to read 148 pages of her science textbook in the 4 days remaining before an exam. If she reads the same number of pages each day, she will need to read (148/4) 37 pages each day.
erikalui|Points 912|

User: 17. What is the value of 12.5 × 107? A. 1.2500000 B. 1,250,000 C. 12.5000000 D. 125,000,000

Weegy: 12.5 ? 10^7 is 125,000,000
jeifunk|Points 23398|

User: 18. What is the prime factorization of 1,260? A. 2 × 2 × 3 × 3 × 5 × 7 B. 2 × 3 × 5 × 7 C. 2 × 3 × 5 × 6 × 7 D. 4 × 5 × 7 × 9

Weegy: The prime factorization of 1,260 is 2 x 2 x 3 x 3 x 5 x 7.
jerry06|Points 9175|

User: 19. What is the cube of 6? A. 36 B. 42 C. 18 D. 216

Weegy: The cube of 6 is 216.

6 * 6 * 6

36 * 6

= 216

User: 20. What is the value of 324? A. 18 B. 128 C. 1,048,576 D. 648

Weegy: D. 1,048,576
jeifunk|Points 23398|

User: 9. Will bought 3 college textbooks. One cost \$32, one cost \$45, and one cost \$39. What is the average price of his books? Choose the statement that correctly calculates the average. A. \$32 + \$45 + \$39 ÷ 3 B. \$32 ÷ 3 + \$45 ÷ 3 + \$39 C. 3 × \$32 + \$45 + \$39 D. (\$32 + \$45 + \$39) ÷ 3

Weegy: The answer is: B. (\$32 + \$45 + \$39) ? 3. The average price is: \$38.67. [smile]
stickman|Points 6262|

User: 1. Solve this equation: 80 = 3y + 2y + 4 + 1. A. y = –15 B. y = 75 C. y = 1/5 D. y = 15

Weegy: 80 = 3y + 2y + 4 + 1, 80 = 5y + 5, 75 = 5y, divide both sides by 5 to get y = 15. The answer is A. y = 15.
vchutkan|Points 6188|

User: 2. Simplify this expression: 4p + 9 + (–7p) + 2 = ? A. 3p + 7 B. –3p + 11 C. 3p + 11 D. 11p + 11

Weegy: 4p + 9 + ( 7p) + 2

= -3p + 11

User: 3. Solve the following inequality: 38 < 4x + 3 + 7 – 3x. A. x > 28 B. x < 4 C. x > 4 D. x < 28

User: 4. Solve this equation: 2s + s + 12 = 132. A. s = 120 B. s = –30 C. s = 40 D. s = 9

Weegy: 2s + s + 12 = 132, 3s + 12 = 132, subtract 12 from both sides, 3s = 120, divide both sides by 3 to get s = 40. Your answer is A. s = 40.
vchutkan|Points 6188|

Question
Asked 5/19/2014 12:37:36 AM
Updated 1/25/2015 4:31:08 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by janezeshun [1/25/2015 4:31:08 AM]
New answers
Rating
3
38 < 4x + 3 + 7 – 3x
38 < x + 10
38 - 10 < x
28 < x
x > 28
Added 1/25/2015 4:31:03 AM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [1/25/2015 9:55:39 AM]
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Questions asked by the same visitor
6. Simplify the following expression: 35 + (–13) + (+8) – (–6). A. 50 B. 36 C. 44 D. 24 User: 7. Solve this inequality: 8z + 3 – 2z
Weegy: The answer is D. z User: 8. Simplify and solve this equation for q: 3q + 5 + 2q – 5 = 65. A. q = 15 B. q = 23 C. q = 11 D. q = 13 Weegy: Simplify and solve this equation for q: 3q + 5 + 2q ? 5 = 65. Answer D. q = 13 User: 9. Solve this equation: 4y + 228 = 352. A. y = 31 B. y = – 31 C. y = 145 D. y = 3 Weegy: 4y + 228 = 352, 4y = 352 - 228, 4y = 124, y = 31. The answer is A. y = 31 User: 10. Given the formula K = LMN, what is the formula for M? A. M = LNK B. M = LN/K C. M = K/LN D. M = KL/N Weegy: A. M = K/LN User: 11. If 3 times a number minus 2 equals 13, what is the number? A. 2 B. –6 C. 4 D. 5 (More)
Question
Not Answered
Updated 5/19/2014 6:31:18 PM
1 Answer/Comment
The expression for "3 times a number minus 2 equals 13" is: 3n - 2 = 13 where n is the number. 3n = 15, so n = 5.
3 times a number minus 2 equals 13, the number is 5.
Added 5/19/2014 6:31:18 PM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [5/20/2014 10:13:54 AM]
1. Which of the following groups of numbers are all prime numbers? A. 2, 5, 15, 19 B. 7, 17, 29, 49 C. 2, 3, 5, 9 D. 3, 11, 23, 31
Weegy: 3,11,23,31 is the group of numbers that have all prime numbers. (More)
Question
Expert Answered
Updated 5/19/2014 4:13:42 AM
0 Answers/Comments
11. If 3 times a number minus 2 equals 13, what is the number? A. 2 B. –6 C. 4 D. 5
Question
Not Answered
Updated 5/19/2014 8:29:02 AM
1 Answer/Comment
If 3 times a number minus 2 equals 13, the number is 5.
3n-2=13
3n=13+2
3n=15
n=15/3
n=5
Added 5/19/2014 8:29:02 AM
This answer has been confirmed as correct and helpful.
12. Simplify and solve this equation: 4m + 9 + 5m – 12 = 42. A. m = 4 B. m = 5 C. m = -4 D. m = –5
Weegy: 4m + 9 + 5m – 12 = 42, 9m - 3 = 42, 9m = 45, m = 45/9, m = 5 User: 13. If four times a number plus 3 is 11, what is the number? A. 2 B. 16 C. 4 D. 5 (More)
Question
Not Answered
Updated 5/19/2014 5:11:54 AM
1 Answer/Comment
If four times a number plus 3 is 11, the number is 2.

4n + 3 = 11;
4n = 11 - 3;
4n = 8;
n = 8/4;
n = 2
Added 5/19/2014 5:11:53 AM
This answer has been confirmed as correct and helpful.
11. Which of the following best describes a plane? A. The surface of a flat table B. A curve in a road C. The point of intersection of two walls D. The edge of a desk
Question
Not Answered
Updated 5/19/2014 7:48:04 AM
1 Answer/Comment
The surface of a flat table best describes a plane.
Added 5/19/2014 7:48:04 AM
This answer has been confirmed as correct and helpful.
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