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Money_Word_Problems/717683: the interest on Rs3000 for one year is Rs210. what is the interest on Rs4500 for a year.

1 solutions

Answer 440521 by rfer(12660) About Me  on 2013-02-22 23:36:58 (Show Source):
You can put this solution on YOUR website!
3000/210=4500/x
3000x=945000
cancel zeros
x=945/3
x=315


Linear-equations/717770: my Question is on finding the slope intercept for
slope 4/5,passing through (9,7)?
1 solutions

Answer 440520 by rfer(12660) About Me  on 2013-02-22 23:34:28 (Show Source):
You can put this solution on YOUR website!
y=mx+b
7=4/5*9+b
7=7.2+b
7-7.2=b
0.2=b
------------
(0,0.2)


Exponential-and-logarithmic-functions/717738: How much should be deposited in an account paying 2.5% interest, compounded quarterly, in order to have a balance of $6000 after 32 years and 9 months?
1 solutions

Answer 440519 by rfer(12660) About Me  on 2013-02-22 23:32:05 (Show Source):
You can put this solution on YOUR website!
6000=P(1+0.025/4)^4*32.75
6000=P(1.00625)^131
6000=P(2.2619)
6000/2.2619=P
P=$2652.64


test/717766: Are you available now
1 solutions

Answer 440518 by rfer(12660) About Me  on 2013-02-22 23:26:22 (Show Source):


Equations/717767: 2 + 7a - 5 - 4a and
3(4y + 2) - 2(3-y)
Do I use a scientific calculator to work this out and if so can you explain how to get the answer. Thanks
1 solutions

Answer 440517 by rfer(12660) About Me  on 2013-02-22 23:25:58 (Show Source):
You can put this solution on YOUR website!
A) =3a-3
B) 12y+6-6+2y=14y


Polynomials-and-rational-expressions/717472: Can someone please simplify this expression with steps?
Assume that all variables represent nonzero numbers.
6p^6 x 8p^8


1 solutions

Answer 440323 by rfer(12660) About Me  on 2013-02-22 01:01:08 (Show Source):
You can put this solution on YOUR website!
mutiply the numbers and add the exponents
48p^14


Rational-functions/717499: (x-3)cubed
1 solutions

Answer 440322 by rfer(12660) About Me  on 2013-02-22 00:59:27 (Show Source):
You can put this solution on YOUR website!
(x-3)(x-3)(x-3)=
x^2-3x-3x+9
(x^2-6x+9)(x-3)=
x^3-3x^2-6x^2+18x+9x-27=
x^3-9x^2+27x-27


Proportions/717493: Solve -x/3+2>8
1 solutions

Answer 440321 by rfer(12660) About Me  on 2013-02-22 00:55:42 (Show Source):
You can put this solution on YOUR website!
-x/3+2 > 8
-x/3 > 6
-x > 6*3
-x > 18
x < -18


Polynomials-and-rational-expressions/717488: Use the formula for compond interest to find A
A = P(l + r)^n
P=$300000,R = 0.12, AND N = 2 YEARS
At the end of 2 years A is $_
1 solutions

Answer 440318 by rfer(12660) About Me  on 2013-02-22 00:52:43 (Show Source):
You can put this solution on YOUR website!
A=300000(1.12)^2
A=300000(1.2544)
A=$376,320.00


Linear-systems/717492: Hi i need help on solving using substitution for two problems:
x+y=1
2x+3y=-4
Please show all work thank you!
1 solutions

Answer 440317 by rfer(12660) About Me  on 2013-02-22 00:50:14 (Show Source):
You can put this solution on YOUR website!
y=-x+1
2x+3y=-4
2x+3(-x+1)=-4
2x-3x+3=-4
-x=-7
x=7
-----------
2(7)+3y=-4
14+3y=-4
3y=-4-14
3y=-18
y=-18/3
y=-6
(7,-6)
-------------
x+y=1
7-6=1


Travel_Word_Problems/717507: how long will it take me to reach 3.96 kilometers if I'm going 4.8 kilometers per hour?
1 solutions

Answer 440315 by rfer(12660) About Me  on 2013-02-22 00:45:44 (Show Source):
You can put this solution on YOUR website!
4.8/1=3.96/x
4.8x=3.96
x=3.96/4.8
x=0.825 hrs
x=50 min


Inequalities/717534: a salesperson has two job offers. Company A offers a weekly salary of $630 plus commission of 14% of sales.Company B offers a weekly salary of $1260 plus commission of 7% of sales. What is the amount of sales above which Company A's offer is the better of the two?
1 solutions

Answer 440314 by rfer(12660) About Me  on 2013-02-22 00:41:29 (Show Source):
You can put this solution on YOUR website!
630+0.14x=1260+0.07x
0.07x=1260-630
0.07x=630
x=630/0.07
x=$9000


Inequalities/717527: x + 9 < 21

1 solutions

Answer 440312 by rfer(12660) About Me  on 2013-02-22 00:38:49 (Show Source):
You can put this solution on YOUR website!
x < 21-9
x < 12


Numeric_Fractions/717533: 6 2/3 + (5 1/4-3 7/8)
1 solutions

Answer 440311 by rfer(12660) About Me  on 2013-02-22 00:37:54 (Show Source):
You can put this solution on YOUR website!
20/3+21/4-31/8=
80/12+63/12-31/8=
143/12-31/8=
286/24-93/24=193/24=8 1/24


Equations/717321: 0+50x1-60-60x0+10=
1 solutions

Answer 440207 by rfer(12660) About Me  on 2013-02-21 18:07:06 (Show Source):
You can put this solution on YOUR website!
0+50-60-0+10=0


test/717285: You ride your bike at an average of 12 miles per hour. You have already gone 13 miles. Your goal is to ride for 25 miles. How much longer do you need to ride to meet your goal?
1 solutions

Answer 440206 by rfer(12660) About Me  on 2013-02-21 18:04:40 (Show Source):
You can put this solution on YOUR website!
60/12=5 min per mi
5*13=65 min so far
25*5=125 min total
125-65=60 min or 1 hr to go


Numbers_Word_Problems/717323: The sum of the two numbers is 62. The smaller number is 16 less than the larger number. What are the numbers?
1 solutions

Answer 440205 by rfer(12660) About Me  on 2013-02-21 17:59:11 (Show Source):
You can put this solution on YOUR website!
x+x-16=62
2x=62+16
x=78/2
x=39
x-16=23


test/717327: Warm-up: David weighs one-and-a-half times as much as Maddie. Together they weigh 250 pounds. Find David and Maddie’s weights.
1 solutions

Answer 440204 by rfer(12660) About Me  on 2013-02-21 17:56:47 (Show Source):
You can put this solution on YOUR website!
1.5x+x=250
2.5x=250
x=250/2.5
x=100 lbs Maddie
1.5x=150 lbs David


test/717330: You plan to drive to the beach for a vacation. You estimate that you will travel 200 miles total at an average speed 55 per hour. You have already been driving for 1 hour. About how much more time will it take you to get to the beach?
1 solutions

Answer 440203 by rfer(12660) About Me  on 2013-02-21 17:53:07 (Show Source):
You can put this solution on YOUR website!
200/55-1=2.6 hrs=2 hrs 36 min


test/716980: All right angles are
1 solutions

Answer 440049 by rfer(12660) About Me  on 2013-02-20 21:27:07 (Show Source):


Equations/716981: what is the y-intercept of the following equation Y=14x-5
1 solutions

Answer 440048 by rfer(12660) About Me  on 2013-02-20 21:26:39 (Show Source):


Quadratic_Equations/716913: whats the solution for (x+2)(-3)=24 when you FOIL
1 solutions

Answer 440047 by rfer(12660) About Me  on 2013-02-20 21:25:13 (Show Source):
You can put this solution on YOUR website!
-3x-6=24
-3x=24+6
x=30/-3
x=-10


Travel_Word_Problems/716940: A hiker travels 30 miles in 8 hours . How fast was he going ?

1 solutions

Answer 440046 by rfer(12660) About Me  on 2013-02-20 21:22:50 (Show Source):
You can put this solution on YOUR website!
30/8=3.75 mph


Equations/716927: How do you do a problem like this:
X+1/8x=54?
1 solutions

Answer 440044 by rfer(12660) About Me  on 2013-02-20 21:21:33 (Show Source):
You can put this solution on YOUR website!
1 1/8x=54
1.125x=54
x=54/1.125
x=48


Numeric_Fractions/716934: 12 + 2{16 - (10 - 8)} need help on this problem

1 solutions

Answer 440043 by rfer(12660) About Me  on 2013-02-20 21:19:25 (Show Source):
You can put this solution on YOUR website!
12+2{16-2}
12+2(14)
12+28=40


Money_Word_Problems/716941: mr black bought a television set for $450.00. He later sold the television set at a loss of 30%. calculate the amount of the loss.
1 solutions

Answer 440042 by rfer(12660) About Me  on 2013-02-20 21:17:09 (Show Source):
You can put this solution on YOUR website!
450*0.30=$135.00


Average/716948: A discount on a new copier is $210. This was a 15% discount. What was the original price?
1 solutions

Answer 440040 by rfer(12660) About Me  on 2013-02-20 21:14:56 (Show Source):
You can put this solution on YOUR website!
210/0.15=$1400.00


Rectangles/716959: if the perimeter of a rectangle is 400 cm and the ratio of width to length is 9 to 11 what are the deminsions of the rectangle
1 solutions

Answer 440038 by rfer(12660) About Me  on 2013-02-20 21:13:05 (Show Source):
You can put this solution on YOUR website!
400=2(9x)+2(11x)
400=18x+22x
400=40x
400/40=x
x=10
9x=90 W
11x=110 L


Money_Word_Problems/716964: If you deposited $2500 at 5% for 6 years compounded annually, what is you total amount? What is your interest amount?
1 solutions

Answer 440036 by rfer(12660) About Me  on 2013-02-20 21:09:45 (Show Source):
You can put this solution on YOUR website!
FV=2500(1.05)^6
FV=$3350.24
interest
3350.24-2500=$850.24


Money_Word_Problems/716966: How much was deposited if the simple interest earned after 120 days at 3.5% was $52.50?
1 solutions

Answer 440034 by rfer(12660) About Me  on 2013-02-20 21:07:04 (Show Source):
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I=Prt
52.50=P*0.035*120/365
52.50/0.0115=P
P=$4565.22


Numeric_Fractions/716614: 2/5 + 3/5=
1 solutions

Answer 439934 by rfer(12660) About Me  on 2013-02-20 10:59:00 (Show Source):