Which of the following is a composite number?
A. 61
B. 13
C. 31
D. 63

The answer is letter D. 63
63 is divisible by 3, 8, 9, and 21 so it is composite.

drako888|Points 77|

rugmaker|Points 3286|

emdjay23|Points 2407|

Expert answered|Kamina|Points 20|

Expert answered|Kamina|Points 20|

Question

Asked 10/1/2013 10:06:16 AM

0 Answers/Comments

Rating

There are no new answers.

Solve this equation: 80 = 3y + 2y + 4 + 1.
A. y = 15
B. y = –15
C. y = 75
D. y = 1/5
User: Solve the following inequality: 38 28
B. x > 4
C. x **Weegy:** 38 28 (More)

Question

Expert Answered

Asked 10/1/2013 10:24:41 AM

0 Answers/Comments

What is the value of 4 cubed?
A. 16
B. 43
C. 24
D. 64
**Weegy:** The value of 4 cubed is : D. 64 **User:** 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. 40 square feet
C. 400 square feet
D. 800 square feet
**Weegy:** B. 400 square feet **User:** Simplify this expression: 4p + 9 + (–7p) + 2 = ?
A. 11p + 11
B. 3p + 7
C. –3p + 11
D. 3p + 11
**Weegy:** 4p + 9 + ( 7p) + 2 = 4p + 9 - 7p + 2 = -3p + 11 **User:** Solve this equation: 4y + 228 = 352.
A. y = – 31
B. y = 3
C. y = 145
D. y = 31
**User:** Given the formula E = IR what is the formula for R?
A. R = EI
B. R = I ÷ E
C. R = E ÷ I
D. R = IE
(More)

Question

Not Answered

Updated 345 days ago|4/16/2014 7:59:40 AM

2 Answers/Comments

4y + 228 = 352

4y = 352 - 228

4y = 124

y = 124/4 = 31

4y = 352 - 228

4y = 124

y = 124/4 = 31

Added 345 days ago|4/16/2014 7:59:02 AM

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

Confirmed by jeifunk [4/16/2014 8:01:58 AM]

18. Simplify and solve this equation: 4m + 9 + 5m – 12 = 42.
A. m = 5
B. m = –5
C. m = 4
D. m = -4
**Weegy:** 4m + 9 + 5m ? 12 = 42, 9m - 3 = 42, 9m = 45, m = 45/9, m = 5. The answer is C. m = 5. **User:** Solve this inequality: 3p – 16 **Weegy:** Solve this inequality: 3p ? 16 **User:** Using the formula C = 2 r, find the circumference of a circle with diameter of 28 inches.
A. 28 in.
B. 56 in.
C. 44 in.
D. 88 in.
**Weegy:** 87.96 inches is the circumference of a circle with diameter of 28 inches. **User:** What is the circumference of a circle with a diameter of 45 centimeters?
A. 141.4 centimeters
B. 6,361.7 centimeters
C. 70.7 centimeters
D. 282.7 centimeters
**Weegy:** In circles the circumference is 3.14 (p) times the Diameter.
Thus the formula looks like:
2pr or pd. Answer: D. 141.4 centimeters **User:** What is the circumference of a circle with a diameter of 30 centimeters?
A. 188.4 centimeters
B. 47.1 centimeters
C. 9.55 centimeters
D. 94.2 centimeters
(More)

Question

Not Answered

Updated 273 days ago|6/27/2014 12:37:02 AM

1 Answer/Comment

The circumference of a circle with a diameter of 30 centimeters is C = Pi*d = 3.14*30 = 94.2 centimeters.

Added 273 days ago|6/27/2014 12:37:02 AM

20,144,479 questions answered

There are no comments.