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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 9/19/2014 1:47:07 AM

1 Answer/Comment

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 9/19/2014 1:47:07 AM

A writer often aims to convince the reader of his particular belief or viewpoint through the use of argumentative prose.
True
False **Weegy:** A writer often aims to convince the reader of his particular belief or viewpoint through the use of argumentative prose. TRUE. (More)

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Expert Answered

Updated 143 days ago|12/3/2016 12:29:39 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)

Question

Expert Answered

Updated 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 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 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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Expert Answered

Updated 6/25/2014 3:26:34 AM

1 Answer/Comment

Find the GCF of the given polynomial.
16a4b4 + 32a3b5 - 48a2b6

Question

Expert Answered

Updated 6/26/2014 2:02:12 AM

1 Answer/Comment

The GCF of 16a4b4 + 32a3b5 - 48a2b6 is 16a^2b^4.

Added 6/26/2014 2:02:11 AM

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

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