Q:
14. In the equation R + 14 = 39, what is the value of R?
A. 24
B. 546
C. 25
D. 53

A: C. 25

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9. Solve the following equation: 28 ÷ 7 + 2 × 3 = ?
A. 18
B. 10
C. 24
D. 12

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Expert Answered

Updated 12/5/2012 8:23:31 PM

1 Answer/Comment

28 ÷ 7 + 2 × 3 = 4 + 6 = 10

Following the order of operations, multiplication and division is performed before addition and subtraction.

Following the order of operations, multiplication and division is performed before addition and subtraction.

Added 12/5/2012 8:23:31 PM

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

Confirmed by andrewpallarca [11/1/2014 6:18:54 AM]

4. If four times a number plus 3 is 11, what is the number?
A. 16
B. 4
C. 5
D. 2

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Updated 11/3/2014 2:51:35 AM

1 Answer/Comment

2. Solve this inequality: 9h + 2 **Weegy:**
9h + 2 < –79;
9h < -79 - 2;
9h < -81;
h < -81/9; h < - 9
(More)

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Updated 5/14/2014 11:42:22 PM

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16. Solve this equation for A: A ÷ 2 = 4
A. 8
B. 4
C. 6
D. 2
**Weegy:** Mathematically speaking, the answer would be U = 2 (More)

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Expert Answered

Updated 12/5/2012 8:51:58 PM

1 Answer/Comment

A ÷ 2 = 4

A = 4 * 2

A = 8

A = 4 * 2

A = 8

Added 12/5/2012 8:51:58 PM

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

Confirmed by andrewpallarca [11/1/2014 6:20:02 AM]

18. If 3 times a number minus 2 equals 13, what is the number?
A. 5
B. 2
C. 4
D. –6

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Expert Answered

Updated 12/5/2012 8:47:28 PM

1 Answer/Comment

3n-2=13

3n=15

n=15/3

n=5

If 3 times a number minus 2 equals 13, the number is 5.

3n=15

n=15/3

n=5

If 3 times a number minus 2 equals 13, the number is 5.

Added 12/5/2012 8:47:28 PM

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

Confirmed by andrewpallarca [11/1/2014 6:20:17 AM]

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