Question and answer
1. If four times a number plus 3 is 11, what is the number? A. 16 B. 5 C. 4 D. 2
Four times a number plus 3 is 11, 4x + 3 = 11 where x is the number 4x = 11 - 3 = 8 x = 8/4 = 2 The number is 2.
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Asked 1/20/2015 10:25:58 PM
Updated 1/20/2015 10:51:11 PM
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Four times a number plus 3 is 11,
4x + 3 = 11 where x is the number
4x = 11 - 3 = 8
x = 8/4 = 2
The number is 2.
Added 1/20/2015 10:51:11 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [1/20/2015 11:05:26 PM]
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Questions asked by the same visitor
20. 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. 3 × $32 + $45 + $39 B. $32 ÷ 3 + $45 ÷ 3 + $39 C. ($32 + $45 + $39) ÷ 3 D. $32 + $45 + $39 ÷ 3
Question
Not Answered
Updated 1/20/2015 10:54:22 PM
1 Answer/Comment
Will bought 3 college textbooks. One cost $32, one cost $45, and one cost $39. The average price of his books is: ($32 + $45 + $39) ÷ 3
Added 1/20/2015 10:54:22 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [1/20/2015 11:11:39 PM]
3. If 3 times a number minus 2 equals 13, what is the number? A. 2 B. –6 C. 5 D. 4
Question
Not Answered
Updated 1/20/2015 10:49:08 PM
1 Answer/Comment
The expression for 3 times a number minus 2 equals 13 is 3x - 2 = 13 where x is the number, 3x = 13 + 2 = 15, x = 15/3 = 5
Added 1/20/2015 10:49:08 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [1/20/2015 11:06:11 PM]
5. Solve this equation: 4y + 228 = 352. A. y = 3 B. y = 145 C. y = 31 D. y = – 31
Question
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Updated 1/20/2015 11:59:48 PM
1 Answer/Comment
4y + 228 = 352;

4y = 352 - 228;

4y = 124;

y = 124/4;

y = 31
Added 1/20/2015 11:59:48 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [1/21/2015 12:05:04 AM]
17. Simplify this expression: 13 + (–12) – (–5) = ? A. –30 B. 6 C. –6 D. 30
Question
Not Answered
Updated 1/20/2015 11:07:40 PM
2 Answers/Comments
13 + (–12) – (–5) = 13 - 12 + 5 = 1 + 5 = 6
Added 1/20/2015 11:07:04 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [1/20/2015 11:08:10 PM]
13 + (-12) - (-5) = 13 - 12 + 5 = 1 + 5 = 6
Added 1/20/2015 11:07:40 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [1/20/2015 11:08:52 PM]
16. Given the formula E = IR what is the formula for R? A. R = I ÷ E B. R = EI C. R = IE D. R = E ÷ I
Question
Not Answered
Updated 1/20/2015 11:07:56 PM
1 Answer/Comment
E = IR
R = E ÷ I
Added 1/20/2015 11:07:56 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/20/2015 11:28:08 PM]
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