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The amount that Susan charges per hour for babysitting is directly proportional to the number of children she is watching. She charges $4.50 for 3 kids. How much would she charge to babysit 5 kids?
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Asked 4/30/2013 7:35:29 AM
Updated 7/15/2014 2:00:30 AM
2 Answers/Comments
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User: The amount that Susan charges per hour for babysitting is directly proportional to the number of children she is watching. She charges $4.50 for 3 kids. How much would she charge to babysit 5 kids?

Weegy: 4.50 dollars/(3 children) = 1.50 dollars/child 5 children ? 1.50 dollars/child = 7.50 dollars She would charge $7.50 to babysit 5 kids.
Sting|Points 3671|

User: What is the equation of a direct variation that goes through the points (-6, 2) and (9, -3)?

User: Find 4 1/5 · 7 2/3

User: 4 1/5 · 7 2/3

User: 4 1/5 x 7 2/3

Weegy: x+(4)/(x)+2=x+(1)/(x)+5 To add fractions, the denominators must be equal. The denominators can be made equal by finding the least common denominator (LCD). In this case, the LCD is x. [ Next, multiply each fraction by a factor of 1 that will create the LCD in each of the fractions. x+(4)/(x)+2=x*(x)/(x)+(1)/(x)+5*(x)/(x) Multiply x by x to get x^(2). x+(4)/(x)+2=(x^(2))/(x)+(1)/(x)+5*(x)/(x) Multiply 5 by x to get 5x. x+(4)/(x)+2=(x^(2))/(x)+(1)/(x)+(5x)/(x) Combine the numerators of all expressions that have common denominators. x+(4)/(x)+2=(x^(2)+1+5x)/(x) Reorder the polynomial x^(2)+1+5x alphabetically from left to right, starting with the highest order term. x+(4)/(x)+2=(x^(2)+5x+1)/(x) Find the LCD (least common denominator) of x+(4)/(x)+2+((x^(2)+5x+1))/(x). Least common denominator: x Multiply each term in the equation by x in order to remove all the denominators from the equation. x*x+(4)/(x)*x+2*x=(x^(2)+5x+1)/(x)*x Cancel the common factor of x in the denominator of the first term (4)/(x) and the second term x. x*x+(4)/( x )* x +2*x=(x^(2)+5x+1)/(x)*x Reduce the expression by removing the common factor of x in the denominator of the first term (4)/(x) and the second term x. x*x+4*1+2*x=(x^(2)+5x+1)/(x)*x Multiply x by x to get x^(2). x^(2)+4*1+2*x=(x^(2)+5x+1)/(x)*x Multiply 4 by 1 to get 4. x^(2)+4+2*x=(x^(2)+5x+1)/(x)*x Multiply 2 by x to get 2x. x^(2)+4+2x=(x^(2)+5x+1)/(x)*x Reorder the polynomial x^(2)+4+2x alphabetically from left to right, starting with the highest order term. x^(2)+2x+4=(x^(2)+5x+1)/(x)*x Cancel the common factor of x from the denominator of the first expression and the numerator of the second expression. x^(2)+2x+4=(x^(2)+5x+1)/( x )* x Cancel the common factor of x from the denominator of the first expression and the numerator of the second expression. x^(2)+2x+4=(x^(2)+5x+1) Remove the parentheses around the expression x^(2)+5x+1. x^(2)+2x+4=x^(2)+5x+1 Since x^(2) contains the variable to solve for, move it to the left-hand side of the equation by subtracting x^(2) from both sides. x^(2)+2x+4-x^(2)=5x+1 Since 5x contains the variable to solve for, move it to the left-hand side of the ]
thederby|Points 1530|

User: Which expression below best shows how to estimate an answer for 5 ÷ -3 3/8 ?

Weegy: The answer for 5 ÷ -3 3/8 is -40/27
Expert answered|jeifunk|Points 9558|



Question
Asked 4/30/2013 7:35:29 AM
Updated 7/15/2014 2:00:30 AM
2 Answers/Comments
New answers
Rating
3
The equation of a direct variation that goes through the points (-6, 2) and (9, -3) is y = (-1/3)x
Added 7/15/2014 1:57:49 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [7/15/2014 2:56:12 AM]
3
4 1/5 · 7 2/3
= 21/5 · 23/3
= 483/15
= 161/5
= 32 1/5
Added 7/15/2014 2:00:30 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [7/15/2014 2:56:28 AM], Unconfirmed by jeifunk [7/15/2014 2:56:28 AM], Confirmed by andrewpallarca [7/29/2014 11:44:00 AM]
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