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Percentage-and-ratio-word-problems/730584: if 1/4 advert cost 5 dollars? how much would 5/8 cost?
1 solutions

Answer 446735 by rfer(12644) About Me  on 2013-03-26 01:08:19 (Show Source):
You can put this solution on YOUR website!
0.25/5=0.625/x
0.25x=3.125
x=3.125/0.25
x=$12.50


t e s t/730528: Norm invested $7500 in a certificate that will pay him 7% compound interest per year. What will the value of his investment be in 3 years?
I am coming up with 8586.75. Is that right? Please show work. Thanks.
1 solutions

Answer 446733 by rfer(12644) About Me  on 2013-03-26 01:05:29 (Show Source):
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FV=7500(1.07)^3
FV=7500*1.225
FV=$9187.50


Triangles/730576: The ratio of the measures of the sides of a triangle is 5:6:9, and its perimeter is 220 meters. What are the measures of the sides of the triangle?
1 solutions

Answer 446732 by rfer(12644) About Me  on 2013-03-26 01:00:50 (Show Source):
You can put this solution on YOUR website!
5x+6x+9x=220
20x=220
x=220/20
x=11
5x=55
6x=66
9x=99


Distributive-associative-commutative-properties/730585: Need to know the factor of x^2=0x-9

1 solutions

Answer 446731 by rfer(12644) About Me  on 2013-03-26 00:58:38 (Show Source):


Equations/730587: celeste wants to have her haircut and permed and also go to lunch. she knows she will need $59. the perm costs twice as much as her haircut and she needs $5 for lunch. how much does the perm cost
1 solutions

Answer 446730 by rfer(12644) About Me  on 2013-03-26 00:57:25 (Show Source):
You can put this solution on YOUR website!
2x+x+5=59
3x=54
x=54/3
x=18
2x=36 perm


Money_Word_Problems/730449: 1.Find the amount in an account where $100 is invested at 4% compounded quarterly for a period of two years.
2.Find the amount in an account where $1000 is invested at 3% compounded continously for a period of five years.
1 solutions

Answer 446710 by rfer(12644) About Me  on 2013-03-25 20:46:08 (Show Source):
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1)
FV=100(1.01)^8
FV=$108.29
2)
FV=1000(2.7183)^0.03*5
FV=1000(2.7183)^0.15
FV=1000*1.1618
FV=$1161.80


Equations/730515: d-2=21

1 solutions

Answer 446708 by rfer(12644) About Me  on 2013-03-25 20:40:33 (Show Source):


decimal-numbers/730514: I need to know how to solve .4999 x 16.00027. I have the answer but new to know how to actually solve it.
1 solutions

Answer 446707 by rfer(12644) About Me  on 2013-03-25 20:40:07 (Show Source):
You can put this solution on YOUR website!
Multiply then move decimal to the left 9 places
7.998534973


test/730453: Find the amount in a savings account that earns a simple interest rate of 4% after 3 years if $1000 was initially deposited.
Please show steps. Thanks.
1 solutions

Answer 446706 by rfer(12644) About Me  on 2013-03-25 20:37:55 (Show Source):
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I=Prt
1000/(0.04*3)=P
1000/0.12=P
P=$8333.33


Equations/730467: 9x-7=-7
1 solutions

Answer 446705 by rfer(12644) About Me  on 2013-03-25 20:32:44 (Show Source):


Percentage-and-ratio-word-problems/730508: Use the percent of change to find the new amount.
1. 40 employees increased by 15%
2. 120 pounds decreased by 30%
3. $84 increased by 12%
4. 820 bushes by 25%
1 solutions

Answer 446704 by rfer(12644) About Me  on 2013-03-25 20:31:40 (Show Source):
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1)
40*1.15=46
2)
120/1.30=92.3
3)
84*1.12=$94.08
4)Increase or decrease?


t e s t/730506: Determine the amount P that is invested at a simple interest rate of 6 1/2% for 5 years which earns $3250 total interest.
Please show steps. Thank you.
1 solutions

Answer 446702 by rfer(12644) About Me  on 2013-03-25 20:27:38 (Show Source):
You can put this solution on YOUR website!
I=Prt
3250=P*0.065*5
3250/0.325=P
P=$10,000


Inequalities/730471: Please help me solve this inequality: 7-3(7x-5)<1
1 solutions

Answer 446701 by rfer(12644) About Me  on 2013-03-25 20:24:26 (Show Source):
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7-21x+15 < 1
-21x < -21
x > -21/-21
x > 1


Radicals/730484: square root of 3/5 * square root of 6/4
1 solutions

Answer 446699 by rfer(12644) About Me  on 2013-03-25 20:21:40 (Show Source):
You can put this solution on YOUR website!
sqrt(3/5*6/4)=
sqrt 18/20=95/100


Linear-equations/730492: Find the slope of the line containing the pair of points
(-18,-9) and ((-19, -13)
1 solutions

Answer 446697 by rfer(12644) About Me  on 2013-03-25 20:19:40 (Show Source):
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slope
m=(-13--9)/(-19--18)
m=-4/-1
m=4


test/730494: Simplify3-2
1 solutions

Answer 446696 by rfer(12644) About Me  on 2013-03-25 20:18:11 (Show Source):


Surface-area/730505: Lena is cutting a piece of plywood serve as the base for a model. the base is a square whose perimeter is 48 cm. Lena knows that perimeter for the formula is 4s. how long should she make the length of each side of the square base?
1 solutions

Answer 446695 by rfer(12644) About Me  on 2013-03-25 20:17:39 (Show Source):


Money_Word_Problems/730497: what is the value after 4 years if $8,700 is invested in an account that pays 9% interest compounded monthly?
1 solutions

Answer 446694 by rfer(12644) About Me  on 2013-03-25 20:16:17 (Show Source):
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FV=8700(1+0.09/12)^4*12
FV=8700(1.0075)^48
FV=8700(1.4314)
FV=$12,453.18


test/730501: Find the amount in a savings account that earns a simple interest rate of 4% after 3 years if $1000 was initially deposited.
Please show steps. Thanks
1 solutions

Answer 446693 by rfer(12644) About Me  on 2013-03-25 20:11:41 (Show Source):
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I=1000*0.04*3
I=120
120+1000=$1120


Volume/730457: a can of vegetables is 4.5 in. high and has a diameter of 3 in.
find the volume of the can to the nearest tenth of a unit. use 3.14
1 solutions

Answer 446682 by rfer(12644) About Me  on 2013-03-25 18:41:28 (Show Source):
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v=pi*r^2*h
v=3.14*1.5^2*4.5
v=31.8 cu in


Miscellaneous_Word_Problems/730408: one number is 3 more than twice the other number. if the sum of the two numbers is 33, find the two numbers
1 solutions

Answer 446681 by rfer(12644) About Me  on 2013-03-25 18:38:53 (Show Source):
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x+2x+3=33
3x=30
x=10
2x+3=23


Angles/730406: The supplementary angle of an angle measuring 95 degrees is
1 solutions

Answer 446680 by rfer(12644) About Me  on 2013-03-25 18:28:22 (Show Source):


Equations/730413: 6c+4=22
i need it done before tomorrow please help
1 solutions

Answer 446679 by rfer(12644) About Me  on 2013-03-25 18:25:46 (Show Source):
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6c+4=22
6c=22-4
6c=18
c=18/6
c=3


Complex_Numbers/730436: IF 1000 YEARS EQUAL A 24 HOUR DAY HOW MUCH WOULD 1 SECOND EQUAL PLESE HELP ME
1 solutions

Answer 446678 by rfer(12644) About Me  on 2013-03-25 18:23:38 (Show Source):
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24*120=2880
1000/2880=0.347 yrs


test/730439: How to solve : a sale price for an item is 120.00 after a 20% discount . What was original price
1 solutions

Answer 446677 by rfer(12644) About Me  on 2013-03-25 18:20:21 (Show Source):
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120/0.80=$150


Travel_Word_Problems/730421: If a car is traveling at a rate of 45 mi/hr. what is the car's speed in feet per second?

1 solutions

Answer 446674 by rfer(12644) About Me  on 2013-03-25 17:43:08 (Show Source):
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45/120=0.375 miles per second


Probability-and-statistics/730314: if you can get a light bulb in your choice of 3 different sizes, 5 different shapes, and 5 different power levels, how many different bulbs can you choose from?
1 solutions

Answer 446660 by rfer(12644) About Me  on 2013-03-25 15:27:24 (Show Source):


Numbers_Word_Problems/730312: 4/5 of a certain number is 64.Find half of that number.
what is the beast way to solve this type of Que.??
1 solutions

Answer 446659 by rfer(12644) About Me  on 2013-03-25 15:25:38 (Show Source):
You can put this solution on YOUR website!
(64/.80)/2=40
---------------
(64/(4/5))/2=
(64*5/4)/2=40
Your choice


Percentage-and-ratio-word-problems/730319: Gregor works as a political intern and revieves a monthly pay-check. He spends 20% of his paycheck on rent and deposits the remainder into a savings account. If his deposit is $3,200, how much does he recieve as his monthly pay?

1 solutions

Answer 446658 by rfer(12644) About Me  on 2013-03-25 15:22:21 (Show Source):
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3200/0.80=$4000


percentage/730350: A car cost $590, if the car has a sale of 15% off, what is the new prize of the car?
1 solutions

Answer 446656 by rfer(12644) About Me  on 2013-03-25 15:20:38 (Show Source):
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590*0.85=$501.50


Money_Word_Problems/730369: The principal P is borrowed at a single interest rate r for a period of time t. Find the simple interest owed for the use of the money. Assume 360 days in a year and round answers to the nearest cent.
P=270, r=5%, t=2 years. I know I=Prt is the formula and its set up as 270*.05*___ the time is what is confusing me for some reason.. do i make the time 24 months? or 720 days /12 which is 60?

1 solutions

Answer 446655 by rfer(12644) About Me  on 2013-03-25 15:18:52 (Show Source):
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Interest is always given as an annual rate.
I would use two years. I don't know if the 360 is to confuse you or you should convert to days.
I=Prt
I=270*0.05*2
I=$27
----------------
or
I=270*0.05/360*720
I=$27