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The quotient of a number and 2 is the same as the difference of the number doubled and 3.
What is the number? **Weegy:** If the quotient of a number and 2 is the same as the difference of the number doubled and 3. The number is 2. (More)

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Asked 6/3/2013 9:28:15 AM

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What is the percent of decrease on an item that went from $25 to $20?
20%
25%
80% **Weegy:** The answer is 40%
(More)

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Expert Answered

Updated 163 days ago|9/19/2014 1:47:07 AM

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20% is the percent of decrease on an item that went from $25 to $20 .

(25 - 20)/ 25 = 5/25 = 0.2 = 20%

(25 - 20)/ 25 = 5/25 = 0.2 = 20%

Added 163 days ago|9/19/2014 1:47:07 AM

The product of 8 and the sum of 4 and a number is 112. What is the number?
Which equation could be used to solve for the number?
8 + 4n= 112
8x4 +n= 112
8(4 +n) = 112 **Weegy:** The product of 8 and the sum of 4 and a number is 112.
The equation that could be used to solve for the number is: 8(4+n)=112.
To solve: 8(4+n)=112; 32+8n=112;
8n=112-32;
8n=80; n=80/8; n=10 (More)

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Expert Answered

Asked 6/4/2013 6:44:17 AM

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What is the slope of the line that passes through (-2, 7) and (4, 9)?
slope = -1/3
slope = 1/3
slope = 3 User: y is 5 when x is 2.5, and y varies directly with x.
Find y when x is 10.
5
7.5
12.5
20 **Weegy:** we can model this in terms of a linear equation.
y=mx+b
Since the question states that y varies directly with x, we know that m (the slope of the line) is 1. [ so:
y=x+b
Now, to solve for be we can sub in the two known values for x and y to complete our equation.
6=2+b
b=6-2
=4
So our final equation for the line is:
y=x+4
when x=5
y=(5)+4
=9 ] (More)

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Updated 271 days ago|6/3/2014 12:45:01 PM

2 Answers/Comments

The slope of the line that passes through (-2, 7) and (4, 9) is slope = 1/3. m = (9-7)/[4-(-2)]; m = 2/6 = 1/3

Added 271 days ago|6/3/2014 12:44:27 PM

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

Confirmed by andrewpallarca [6/3/2014 2:27:20 PM]

y is 5 when x is 2.5, and y varies directly with x. y is 20 when x is 10.

5/2.5 = y/10

2.5y = 50

y = 20

5/2.5 = y/10

2.5y = 50

y = 20

Added 271 days ago|6/3/2014 12:44:58 PM

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

Confirmed by andrewpallarca [6/3/2014 2:27:59 PM]

Find the GCF of 56 and 46.
2
8
10 User: Find the GCF of 56 and 46.

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Updated 249 days ago|6/25/2014 3:26:34 AM

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