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Question 572448: What percent of 45 is 7.2?
Click here to see answer by stanbon(57387)

Question 572566: Substition method problem:
2x-5y=25
X-2y=10
Click here to see answer by mananth(12270)

Question 572619: f(x)=√(x-3)(2+5x)
Im not sure how to solve it as well as to finding the domain
Click here to see answer by stanbon(57387)

Question 572651: Graph each function!
1- y=2x^2 - 8x+3
2- y= -(x+3)^2+4
Click here to see answer by josmiceli(9697)

Question 572791: The school that Imani goes to is selling tickets to the annual dance competition. On the first day of ticket sales the school sold 3 senior tickets and 3 child tickets for a total of $69. The school took in $91 on the second day by selling 5 senior citizen tickets and 3 child tickets. What is the price each of one senior ticket and one child ticket?
Click here to see answer by solver91311(16897)

Question 572805: Anthon paida 20 percent tip on a 15 dollar dinner bill. What was the total amount Anthony paid for dinner including tip.
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Question 572838: 7x squared plus 9x plus 4 equals zero. Solve using quadratic formula
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Question 572859: X-3 / 7x-21
Click here to see answer by stanbon(57387)

Question 572395: Factor the trinomial. If the trinomial cannot be factored, say so.
x^2+5x+4
Click here to see answer by richard1234(5390)

Question 573013: 10/10 = ?
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Question 573056: -20=-4x-6x
Click here to see answer by mathsmiles(68)

Question 573062: (x-5)^2+(y-1)^2=25
Click here to see answer by Alan3354(30993)

Question 573134: Multiply 9(5-x)
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Question 573135: Multiply 9(5-x)
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Question 573132: You have $3.50 , how many dimes and nickels are there?
Click here to see answer by mathsmiles(68)

Question 573183: Two pages that face each other in a book have 93 as the sum of their page numbers what are the page numbers
Click here to see answer by Alan3354(30993)

Question 573229: The perimeter of a rectangular fram is 72 inches. The width is 4 more than the length what are the measurements of the width and the length?
Click here to see answer by mathsmiles(68)

Question 573325: 3t-7/15=13/15 I need to show my work
Click here to see answer by stanbon(57387)

Question 573373: y=(-x)/(2)-4
-2x-y=-5
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Question 573393: 7-(-3)+9
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Question 573500: The bowling alley on wedge street charges $5.50 for shoe rental plus $2.50 per game. The bowling alley on Lawrence street charges $4 for shoe rental plus $3.00 per game. If one person rents a pair of shoes to bowl, how many games should they bowl to make the bowling alley on wedged street cheaper than the bowling alley on Lawrence street.
Click here to see answer by josmiceli(9697)

Question 573551: y = 2x
X + 3y = -14
Click here to see answer by nrussell1945(3)

Question 573626: Help me please.
Click here to see answer by unlockmath(1603)

Question 573591: 2+2
Click here to see answer by unlockmath(1603)

Question 573590: Whats a cliche?
Click here to see answer by richard1234(5390)

Question 573686: original price :$500
Discount: $ ?
Sale price :$174
What is the discount
Click here to see answer by stanbon(57387)

Question 573821:
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Question 573782: F(x)=1.50
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Question 573780:
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Question 573833: Algebra
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Question 573889: Kevin wants to purchase a new snowboard for winter. It costs $300. It is now September. He gets paid every two weeks. After he pays his bills he has about $100 left over. Write a goal for him.

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Question 573959: How do I solve for n? C(n, 5) = C(n, 7)
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Question 573959: How do I solve for n? C(n, 5) = C(n, 7)
Click here to see answer by richard1234(5390)

Question 573990: solve using the substitution method
9x-6y=-54
7x+53=y
I can not figure this method out please help
Click here to see answer by stanbon(57387)

Question 574152: What's 8u2-9u+1?
Click here to see answer by Maths68(1474)

Question 574153: (7y-3)^3 = 343y^3- 201y^2+189y-27
is this correct?
Click here to see answer by Maths68(1474)

Question 573739: what is e^(2)(i)(pie)
Click here to see answer by richard1234(5390)

Question 574511: Were do the graphs of the lines y=3 and 4x-3y=6 intersect?
Click here to see answer by reviewermath(534)

Question 574538: MR.Ben is 4 times older than his son.The sum of their sges is 45 years.Find the age of his son.

Click here to see answer by chana(69)

Question 574528: I need to calculate how many different groups of 3 I can make out of a total of 15, eg 1,2,3 or 1,14,15.
Is there a formala that allows me to do this, if so what type of formula is it.
Thanks
Click here to see answer by jim_thompson5910(28598)

Question 574541: find the product of the given complex number and its conjugate
4-6i
Click here to see answer by jim_thompson5910(28598)

Question 574363: -8=m-10
Click here to see answer by jim_thompson5910(28598)

Question 574707: 2x+x^2+4x-13=-6
Click here to see answer by unlockmath(1603)

Question 574698:
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