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t e s t/696033: 4p+3p=6p-7 and 3+6(x-6)=-81
1 solutions

Answer 428787 by rfer(12657) About Me  on 2012-12-19 21:04:00 (Show Source):
You can put this solution on YOUR website!
A)
p=-7
B)
3+6x-36=-81
6x=-81-3+36
6x=-48
x=-48/6
x=-8


Linear-equations/696034: Using the point-slope form of a line,y-4=-2(x+3)identify the slope. Transform this given equation into slope-intercept form. Graph the line on the grid provided and explain how you determined your graph.
1 solutions

Answer 428786 by rfer(12657) About Me  on 2012-12-19 21:01:29 (Show Source):
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y-4=-2x-6
y=-2x-2
slope m=-2


Probability-and-statistics/696043: solve by factoring .
3x^2+10x-8=0
1 solutions

Answer 428785 by rfer(12657) About Me  on 2012-12-19 20:59:19 (Show Source):
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(-x-4)(-3x+2)


Percentage-and-ratio-word-problems/696037: what would be the sale price of an item that is 160.00 dollars but we get a discount for 10 %
1 solutions

Answer 428784 by rfer(12657) About Me  on 2012-12-19 20:56:54 (Show Source):
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160*0.90=$144


percentage/696016: Find the final price. Printer: $60.00 Discount: 25% Tax: 6.75%
1 solutions

Answer 428783 by rfer(12657) About Me  on 2012-12-19 20:55:12 (Show Source):
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(60*0.75)(1.0675)=#48.04


test/696023: -2+8h=6h+12
1 solutions

Answer 428782 by rfer(12657) About Me  on 2012-12-19 20:52:40 (Show Source):
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2h=14
h=14/2
h=7


percentage/696026: 45,000 * 2.8%
1 solutions

Answer 428781 by rfer(12657) About Me  on 2012-12-19 20:50:27 (Show Source):
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45000*0.028=1260


Linear_Equations_And_Systems_Word_Problems/696060: if i get a base salary of $355 and 20% commission for selling 145 items. Of each item was sold for $3.00 what is my total salary?
1 solutions

Answer 428780 by rfer(12657) About Me  on 2012-12-19 20:48:00 (Show Source):
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145*3=435
435*0.20=87
355+87=$442


Miscellaneous_Word_Problems/696072: A total of 568 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was three times the number of adult tickets sold . How many adult tickets were sold?

1 solutions

Answer 428779 by rfer(12657) About Me  on 2012-12-19 20:45:43 (Show Source):
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x+3x=568
4x=568
x=568/4
x=142 adults


Linear-equations/696071: Mr. Anthony wrote these 4 equations on the chalkboard.
-2x + 18 = 10
18 + (-2x) = 101
10 = 18 - 2x
10 = -2x - 18
Which of Mr Anthony's equations are equivalent
1 solutions

Answer 428778 by rfer(12657) About Me  on 2012-12-19 20:43:34 (Show Source):
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First and third.


Linear-equations/696068: Mr. Anthony wrote these 4 equations on the chalkboard.
-2x + 18 = 10
18 + (-2x) = 10
10 = 18 - 2x
10 = -2x - 18
Which of Mr Anthony's equations are equivalent?
1 solutions

Answer 428777 by rfer(12657) About Me  on 2012-12-19 20:42:36 (Show Source):
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The first two.


Linear_Equations_And_Systems_Word_Problems/696086: the sum of 2 numbers is 39. the greater number is 5 less than 3 times the smaller number. What are the two numbers? write a system of equations
1 solutions

Answer 428776 by rfer(12657) About Me  on 2012-12-19 20:40:44 (Show Source):
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x+3x-5=39
4x=44
x=11
3x-5=28


expressions/695922: 7-2[-6-(2-5)]
1 solutions

Answer 428708 by rfer(12657) About Me  on 2012-12-19 12:46:46 (Show Source):
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7-2[-6+3]
7-2[-3]
7+6=13


Percentage-and-ratio-word-problems/695893: PLEASE HELP before 20-dec-12
By selling an article for rs.660, P loses rs.60. At what price must he sell the article to gain 15%?
a)rs.728
b)rs.628
c)rs.828
d)rs.928
1 solutions

Answer 428707 by rfer(12657) About Me  on 2012-12-19 12:44:52 (Show Source):
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660+60=720
720*1.15=828


Equations/695924: b+7=-25
1 solutions

Answer 428705 by rfer(12657) About Me  on 2012-12-19 12:41:21 (Show Source):


Linear-equations/695929: I need help Simplify this problem 5(7-5m)-4
35-25m-4 i stopped there can u help me finish
My e-mail is karenbailey41@hotmail.com
1 solutions

Answer 428703 by rfer(12657) About Me  on 2012-12-19 12:39:48 (Show Source):
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Now combine like terms.
31-25m


test/695350: A recipe uses 6 cups of cheese to serve 30 people. How much cheese is needed for 50 people?

1 solutions

Answer 428494 by rfer(12657) About Me  on 2012-12-17 22:34:03 (Show Source):
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6/30=x/50
30x=300
x=300/30
x=10


expressions/695360: The product of a number decreased by 10 and 3 is -15
1 solutions

Answer 428493 by rfer(12657) About Me  on 2012-12-17 22:32:06 (Show Source):
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3(x-10)=-15
3x-30=-15
3x=-15+30
3x=15
x=5


Age_Word_Problems/695429: A car and trailer weigh a total of 3260 pounds. If the car weighs 3 times as much as the trailer, how much does each weigh?
1 solutions

Answer 428492 by rfer(12657) About Me  on 2012-12-17 22:29:17 (Show Source):
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x+3x=3260
4x=3260
x=3260/4
x=815
3x=2445


Numeric_Fractions/695276: a wheel makes 8 2/3 revolutions per minute if it rotates for 51 minutes
how many revolutions will it make in 51 minutes
1 solutions

Answer 428409 by rfer(12657) About Me  on 2012-12-17 17:57:50 (Show Source):


Percentage-and-ratio-word-problems/695179: 3 is what percent of 2 9/16
1 solutions

Answer 428372 by rfer(12657) About Me  on 2012-12-17 15:09:58 (Show Source):
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3/2.5625=1.17=117%


Linear_Equations_And_Systems_Word_Problems/694632: joe and ahmed had 80 marbles altogether ahmad has 4 times as many marbles as joe how many marbles does each boy have
1 solutions

Answer 428095 by rfer(12657) About Me  on 2012-12-15 20:00:14 (Show Source):
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4x+x=80
5x=80
x=80/5
x=16
4x=64


Proportions/694454: Eliot needs to replace a window that is in the shape of a semi-circle.
What is the area of the window? Use 3.14
Round your answerto the nearest square inch.
radius equals 15in.
1 solutions

Answer 427954 by rfer(12657) About Me  on 2012-12-14 23:10:20 (Show Source):
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a=(pir^2)/2
a=(3.14*15^2)/2
a=706.5/2
a=353 sq in


Finance/694437: A company offers a starting salary of 34,000 dollars with raises of 3,000 dollars each year. Find the total salary over a 10 year period.
1 solutions

Answer 427924 by rfer(12657) About Me  on 2012-12-14 19:59:22 (Show Source):


Finance/694394: How much money will there be in an account at the end of 4 years if $6000 is deposited at 3% interest compounded quarterly? (Assume no withdrawals are made.)
Can someone please help me with this question? Thank you!
1 solutions

Answer 427923 by rfer(12657) About Me  on 2012-12-14 19:56:01 (Show Source):
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FV=6000(1+0.03/4)^4*4
FV=6000(1.0075)^16
FV=6000*1.126992
FV=$7019.50


test/694438: Sales of frozen pizza for a club fund-raiser increased from 500 to 705 what is the percentage increase
1 solutions

Answer 427922 by rfer(12657) About Me  on 2012-12-14 19:52:25 (Show Source):
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205/500=0.41=41%


test/694440: 22 people is 6% of what number of people
1 solutions

Answer 427920 by rfer(12657) About Me  on 2012-12-14 19:51:02 (Show Source):


Travel_Word_Problems/694110: If 350 cars pass by in 2hrs how many cars pass by in 9 hrs?
1 solutions

Answer 427746 by rfer(12657) About Me  on 2012-12-13 20:28:17 (Show Source):
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350/2=x/9
2x=3150
x=3150/2
x=1575


Travel_Word_Problems/694108: If 350 cars pass by every 2 hrs then how many cars pass by in 1 hr
1 solutions

Answer 427745 by rfer(12657) About Me  on 2012-12-13 20:26:18 (Show Source):


Quadratic_Equations/694122: what times what= 3 but also
adds up to -4
1 solutions

Answer 427743 by rfer(12657) About Me  on 2012-12-13 20:25:20 (Show Source):
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-1*-1=3
-1+-3=-4


Coordinate-system/694042: fins the slope of the line that passes through each pair of points. (-3,-1) & (-1,5)
1 solutions

Answer 427713 by rfer(12657) About Me  on 2012-12-13 18:17:33 (Show Source):
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slope
m=(5--1)/(-1--3)
m=6/2
m=3