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All of the following are examples of history's sister disciplines EXCEPT which one? A. anthropology B. political science C. geography D. chemistry
Weegy: All of the following are examples of history's sister disciplines EXCEPT chemistry. (More)
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Updated 6/24/2014 7:55:54 AM
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Modern humans are known by their Latin name _____. A. Homo habilis B. Homo erectus C. Homo sapiens D. paranthropus boisei
Weegy: Modern humans are known by their Latin name as Homo sapiens. (More)
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Updated 248 days ago|12/27/2014 5:27:39 AM
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Tito bought a baseball card for $24.00 and sold it for $37.00. What is the percent of increase rounded to the nearest tenth? A. 35.1% B. 54.2% C. 64.9% D. 54.1%
Weegy: Tito bought a baseball card for $24.00 and sold it for $37.00. What is the percent of increase rounded to the nearest tenth? 24+24x=37 24x=13 x=13/24 x=.542 x=54.2% User: Ticket prices were on sale from $8.75 to $6.00. What is the percent of decrease rounded to the nearest tenth? A. 27.5% B. 31.4% C. 45.8% D. 33.7% Weegy: Ticket prices were on sale from $8.75 to $6.00. What is the percent of decrease rounded to the nearest tenth? D. 33.7% User: A furniture store has a chair originally priced at $76 on sale for $58. What is the percent of decrease rounded to the nearest tenth? A. 31% B. 23.6% C. 24.6% D. 23.7% Weegy: The perecent decrease rounded to the nearest tenth is D. 23.7%. User: 51 is 85% of what number? A. 1.67 B. 51 C. 60 D. 43.35 Weegy: 51 is 85% of 60. .85x=51, x=51/.85, c. 60 User: The electric bill in May was $215.00. In June the bill was $274.00. What is the percent of increase rounded to the nearest tenth? A. 21.5% B. 28.5% C. 27.4% D. 26.7% Weegy: (274-215)/215*100 = 27.4. The percent of increase rounded to the nearest tenth is 27.4%. Thanks for asking Weegy! User: The electric bill in May was $248.00. In June the bill was $265.00. What is the percent of increase rounded to the nearest tenth? A. 6.85% B. 6.41% C. 7.21% D. 6.42% Weegy: The electric bill in May was $248.00. In June the bill was $265.00. What is the percent of increase rounded to the nearest tenth? C. 7.21% User: Ticket prices were on sale from $7.50 to $4.00. What is the percent of decrease rounded to the nearest tenth? A. 12.5% B. 87.5% C. 3.5% D. 46.7% Weegy: D. the tickets were 46.7 percent off of the normal price. (More)
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Expert Answered
Asked 1/29/2013 6:08:48 PM
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The value of y varies directly with x, and y = 3 when x = -6. Find y when x = 1. A. -0.5 B. 0.5 C. 2 D. -2 User: The value of y varies directly with x, and y = 1 when x = 2. Find y when x = 4. A. 2 B. 4 C. -2 D. 8
Weegy: If y = kx, then when y = 8, x = 1. User: The value of y varies directly with x, and y = 4 when x = 10. Find y when x = 1. A. -2.5 B. 2.5 C. 0.4 D. -0.4 User: The value of y varies directly with x, and y = 1 when x = 3. Find y when x = 18. A. 9 B. 3 C. 6 D. -2 Weegy: y = 2.5 when x =4. User: The value of y varies directly with x, and y = 1 when x = 3. Find y when x = 18. A. 9 B. 3 C. 6 D. -2 Weegy: y = 2.5 when x =4. User: Which equation below is a direct variation? A. 0.05x = y B. x + 2 = y C. D. y = 2x + 6 Weegy: slope is 2 (More)
Question
Expert Answered
Updated 283 days ago|11/22/2014 1:57:17 AM
4 Answers/Comments
The value of y varies directly with x, and y = 1 when x = 2. y = 2 when x = 4.
Let y = kx , 1 = 2k, k = 1/2 , so y = 1/2x ,
When x = 4 , y = 1/2*4 = 2 .
Added 283 days ago|11/22/2014 1:52:20 AM
The value of y varies directly with x, and y = 4 when x = 10. y = 0.4 when x = 1.
Let y = kx ,
4 = 10k
k = 4/10 = 2/5
so y = 2/5x
when x = 1
y = 2/5*1
y = 2/5
y = 0.4
Added 283 days ago|11/22/2014 1:54:31 AM
The value of y varies directly with x, and y = 1 when x = 3. y = 6 when x = 18.
Let y = kx
1 = 3k
k = 1/3
so y = 1/3x
when x = 18
y = 1/3*18
y = 6 .
Added 283 days ago|11/22/2014 1:56:34 AM
The equation below 0.05x = y is a direct variation.
Added 283 days ago|11/22/2014 1:57:17 AM
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