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Travel_Word_Problems/734936: David drives 60 miles every hour. How far will he drive after 5 hours?
1 solutions

Answer 449197 by rfer(12678) About Me  on 2013-04-07 20:02:26 (Show Source):
You can put this solution on YOUR website!
60*5=300miles


Linear-equations/734946: what is the ordered pair if the x-intercept is -2
1 solutions

Answer 449196 by rfer(12678) About Me  on 2013-04-07 19:59:49 (Show Source):


Money_Word_Problems/734887: a bank in houston loans 50000 to a business at 12.5% annual simple interest for 15 months. how much interest will the bank earn?
1 solutions

Answer 449178 by rfer(12678) About Me  on 2013-04-07 18:28:00 (Show Source):
You can put this solution on YOUR website!
I=50000*0.125*15/12
I=$7812.50


Travel_Word_Problems/734888: Hello, this is an example problem that we were given to solve and i don't understand if you could tell me the steps i would be very happy!
-A bus travels at an average rate of 30 miles per hour left the city at 11:45 A.M. A car fallows the bus at 45 miles per hour left the city at noon. AT what time did the car catch up to the bus?
1 solutions

Answer 449176 by rfer(12678) About Me  on 2013-04-07 18:25:24 (Show Source):
You can put this solution on YOUR website!
overtake speed is 15 mph
15 minute leador
30*0.25=7.5 mile lead
7.5/15=0.5=30 minutes to catch up or 12:30pm


Linear-equations/734593: What are the ordered pairs for this equation?
y= 1/4x-1
(4, ) and (0, )
1 solutions

Answer 449075 by rfer(12678) About Me  on 2013-04-07 01:42:50 (Show Source):


logarithm/734570: Find the amount after 3 years if $700 is invested at 17% compound
a) annually
b)semiannually
C)Quarterly
D) Monthly
1 solutions

Answer 449074 by rfer(12678) About Me  on 2013-04-07 01:40:07 (Show Source):
You can put this solution on YOUR website!
A)
FV=700(1.17)^3
B)
FV=700(1+0.17/2)^3*2
C)
FV=700(1+0.17/4)^^3*4
D)
FV=700(1+0.17/12)^3*12
You do the math.


test/734644: use the cycle graph to solve the problem a survey of the 5222 vehicles on the campus of state university yielded the following circle graph find the number of vans round your result to the nearest whole number motorcycles 9%, hatchbacks 35%, pickups 27%, sedans 5%, vans 8%, convertibles 16%,
1 solutions

Answer 449072 by rfer(12678) About Me  on 2013-04-07 01:33:12 (Show Source):
You can put this solution on YOUR website!
5222*0.08=418


Money_Word_Problems/734627: The admission fee at a small fair is $2 for children and $4 for adults. On a certain day, 750 people entered the fair and $2,500 was collected. How many children attended the small fair on that day?
1 solutions

Answer 449071 by rfer(12678) About Me  on 2013-04-07 01:30:11 (Show Source):
You can put this solution on YOUR website!
c+a=750
2c+4a=2500
--------
a=750-c
----------
2c+4(750-c)=2500
2c+3000-4c=2500
-2c=2500-3000
c=-500/-2
c=250 children
-----------
2*250+4a=2500
500+4a=2500
4a=2500-500
a=2000/4
a=500 adults


Volume/734645: a cylindrical water tank near the town library is 15 meters high and has a circumference of 85 meters. what is the APPROXIMATE volume, to the nearest whole number, of the water tank?
1 solutions

Answer 449069 by rfer(12678) About Me  on 2013-04-07 01:21:22 (Show Source):
You can put this solution on YOUR website!
85/3.14=27
27/2=13.5
3.14*13.5^2*15=8629 cu meters


Age_Word_Problems/734610: John is 1/4 as old as is his father. In 8 years the sum of their ages will be 61. How old is John's father?
1 solutions

Answer 449068 by rfer(12678) About Me  on 2013-04-07 01:17:47 (Show Source):
You can put this solution on YOUR website!
1/4x+8+x+8=61
1 1/4x=61-16
5/4x=45
x=45/(5/4)
x=45*4/5
x=36


Linear-equations/734580: What is the slope of line containing these points?
(6,-8) and (-6,-8)
1 solutions

Answer 449067 by rfer(12678) About Me  on 2013-04-07 01:13:58 (Show Source):
You can put this solution on YOUR website!
m=(-8--8)/(-6-6)
m=0/-12
m=0
no slope


Percentage-and-ratio-word-problems/734649: A shopkeeper buys a TV set for Rs 10000. His selling expenses are 20% of his purchase price. If he wants to earn a profit of 20% on his selling price then what will be the selling price of TV set?
A) 15000
B) 14400
C) 16000
D) 16500
Please post the complete solution!
1 solutions

Answer 449066 by rfer(12678) About Me  on 2013-04-07 01:06:49 (Show Source):
You can put this solution on YOUR website!
10000*1.2*1.2=14400


Finance/734501: Use the formula for computing future value using compound interest to determine the value of the account after 5 years when:
Principal = $10,000
Annual Interest Rate is 6%
Compounded monthly.
In the least, give can you give me the proper formula, and get me started? Thanks Dearly.
1 solutions

Answer 448991 by rfer(12678) About Me  on 2013-04-06 16:09:27 (Show Source):
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FV=10000(1+0.06/12)^12*5


Linear_Algebra/734244: find the indicated product
(x+4)(x-5)(x-6)
1 solutions

Answer 448856 by rfer(12678) About Me  on 2013-04-05 20:54:19 (Show Source):
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(x+4)(x-5)(x-6)
(x^2-5x+4x-20)(x-6)
x^3-5x^2+4x^2-20x-6x^2-30x+24x+120=
x^3-11x^2-26x+120


Average/734312: On the first 5 tests of her chemistry class, Emily got an average score of 88.
What does she need on the next test to have an overall average of 90?
1 solutions

Answer 448855 by rfer(12678) About Me  on 2013-04-05 20:50:07 (Show Source):
You can put this solution on YOUR website!
((5*88)+x)/6=90
440+x=90*6
440+x=540
x=540-440
x=100


Exponents-negative-and-fractional/734313: 1 1/6 + x/8 = 7/24 Not sure what to do once I turn the mixed fraction to an improper one. any help would be appreciated. thanks.
1 solutions

Answer 448854 by rfer(12678) About Me  on 2013-04-05 20:48:12 (Show Source):
You can put this solution on YOUR website!
7/6+x/8=7/24
x/8=7/24-7/6
x/8=7/24-28/24
x/8=-21/24
x=-21/24*8
x=-7


Money_Word_Problems/734292: If you invest a sum of money in an account earning 12% annual interest, how long will it take for your money to double?
1 solutions

Answer 448847 by rfer(12678) About Me  on 2013-04-05 20:27:21 (Show Source):


Quadratic_Equations/734175: if 4(3x+2)-(x+5)=-3 then x=? with explanation and solution
1 solutions

Answer 448743 by rfer(12678) About Me  on 2013-04-05 12:05:58 (Show Source):
You can put this solution on YOUR website!
12x+8-x-5=-3
11x=-3-8+5
11x=7
x=7/11


Surface-area/733934: The length and width of a rectangular field are in the ratio 4:3. If the area is 432 square units, find its perimeter.

What I have done so far was multiply 4 by 3 and divided the product by 432.
1 solutions

Answer 448654 by rfer(12678) About Me  on 2013-04-04 20:31:46 (Show Source):
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4x*3x=432
12x^2=432
x^2=432/12
x^2=36
x=sqrt 36
x=6
4x=24
3x=18
-------------
P=2(24)+2(18)
P=48+36
P=84 units


Numeric_Fractions/733964: How do I solve 7/8 - v = 13/16?
1 solutions

Answer 448652 by rfer(12678) About Me  on 2013-04-04 20:27:06 (Show Source):
You can put this solution on YOUR website!
-v=13/16-7/8
-v=13/16-14/16
-v=-1/16
v=1/16


Money_Word_Problems/733951: Kristina invests $15,000 at 7% simple interest for 1 year. How much is in the account at the end of the 1 year period?
1 solutions

Answer 448651 by rfer(12678) About Me  on 2013-04-04 20:25:39 (Show Source):
You can put this solution on YOUR website!
I=15000*0.07*1
I=1050
15000+1050=$16050


Problems-with-consecutive-odd-even-integers/733960: Q. Find two consecutive integers such that the sum of twice the first and three times the second is 38.
I do not really understand this question, when it says "such that the sum of twice the first and three times the second is 38"..
1 solutions

Answer 448650 by rfer(12678) About Me  on 2013-04-04 20:23:17 (Show Source):
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2x+3(x+1)=38
2x+3x+3=38
5x=38-3
x=35/5
x=7
x+1=8


Travel_Word_Problems/733961: A train leaves Little Rock, Arkansas, and travels north at 65 kilometers per hour. Another train leaves at the same time and travels south at 90 kilometers per hour. How long will it take before they are 310 kilometers apart?
1 solutions

Answer 448649 by rfer(12678) About Me  on 2013-04-04 20:19:58 (Show Source):
You can put this solution on YOUR website!
moving apart at 90+65=155 mph
310/155=2 hrs


percentage/733890: Hi, I'm having some trouble with math work and need some help. Please show the work with it.
What is 92 percent of 175?
What is 20 percent of 115?
What percent of 115 is 69?
23 is 46 percent of what?
57 is 30 percent of what?
What is 44 percent of 25?
What percent of 84 is 63?
What percent of 350 is 77?
1 solutions

Answer 448647 by rfer(12678) About Me  on 2013-04-04 20:18:12 (Show Source):
You can put this solution on YOUR website!
175*0.92=161
115*0.20=23
69/115=0.60=60%
23/0.46=50
57/0.30=190
25*0.44=11
63/84=0.75=75%
77/350=0.22=22%


Money_Word_Problems/733906: The simple interest I on an investment of P dollars at an interest rate r for t years is given by I=Prt. Find the time it would take to earn $1800 in interest on an investment of $25000 at a rate of 6.2%.
1 solutions

Answer 448642 by rfer(12678) About Me  on 2013-04-04 19:12:10 (Show Source):
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1800=25000*0.062t
1800=1550t
1800/1550=t
t=1.16 yrs


Linear-equations/733903: Write the equation of a line to the given line but passing given point
y=-3x-6; (-1,5)
1 solutions

Answer 448640 by rfer(12678) About Me  on 2013-04-04 19:05:31 (Show Source):
You can put this solution on YOUR website!
5=-3*-1+b
5=3+b
b=2
-----------
y=-3x+2


?t?e?s?t/733438: find the slope of the line passing through the points (5,1) and (5,4)

1 solutions

Answer 448424 by rfer(12678) About Me  on 2013-04-03 18:33:07 (Show Source):
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m=(4-1)/(5-5)
m=3/0
m=0
vertical line


Polynomials-and-rational-expressions/733458: Multiply the following binomials.
(6y-1/2)(y+9/2)
1 solutions

Answer 448422 by rfer(12678) About Me  on 2013-04-03 18:31:14 (Show Source):
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6y^2+27y-1/2y-2 1/4
6Y^2+26 1/2y-1 1/4


Rate-of-work-word-problems/733459: sue read a 321 page book in 4 hours at that rate how long would it take her to read a book with 1658 pages
1 solutions

Answer 448417 by rfer(12678) About Me  on 2013-04-03 18:27:57 (Show Source):
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321/4=1658/x
321x=6632
x=6632/321
x=20.7 hrs


�t�e�s�t/733447: how to find the slope of the line passing through the given points
(-7,2) and (-1,-4)
1 solutions

Answer 448413 by rfer(12678) About Me  on 2013-04-03 18:24:57 (Show Source):
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slope
m=(-4-2)/(-1--7)
m=-6/6
m=-1


Polynomials-and-rational-expressions/733460: Multiply the following polynomials.
(x-6)(x^2-2x+3)
1 solutions

Answer 448412 by rfer(12678) About Me  on 2013-04-03 18:23:11 (Show Source):
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x^3-2x^2+3x-6x^2+12x-18=
x^3-8x^2+15x-18