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Question 193330: If the price of a product is given by p=100e^q/(q+1), where q represents the number of hundreds of units, what will be the price when the producers are willing to supply 300 units? Hint: e~2.718
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Question 193481: IN what time will interest on a given sum of at 5 1/3 amount to one third of the sum?
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Question 193524: Joe has a collection of nickels and dimes that is worth $6.05. If the number of dimes was doubled and the number of nickels was decreased by 10, the value of the coins would be $9.85. How many dimes does he have?

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Question 193661: (2500/0.07)(1-(1+0.05)^10. I do I set up an exponent on a scientific calculator
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Question 193734: 4.) Solve equation for y
14=7y/8

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Question 193733: 3.) Simplify by combining like terms
2(w+6) –3(-w-5)

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Question 193730:
1.) Find the difference

3/16-1/20

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Question 193749: I am trying to figure the original amount & sales tax amount to come up with the total amount charged when I've lost receipts... Sales tax rate of 8.7% - So I think you do something like: X + (X*8.7%)= 25.31 (total amount)
So I remember that you want to get all the x's on one side, so divide both sides by 8.7% but that comes up way wrong... so I'm doing something wrong. Can someone please give me the right formula. Thank you. Jackie

Click here to see answer by user_dude2008(1862) About Me 

Question 193991: I need to your help please solve these problems


1)A total of Rs 14000 invested for a year , part at 5% and the rest at 6.5% . If Rs 760 is the total interest, how much is invested at 5%.


2)Mr javed invested a total of Rs 10,000 in three different accouts , the accounts paid simple interest at an annual rate of 8%, 9%,7.5% respectively. Total interest earned for the year was Rs 845 . The amount in the 9% account was the twice the amount invested in the 7.5% account. How much did Mr.Javed invest in each account.

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Question 194218: Can you help me please? Solve the system by the addition method.
x – y = 100
0.20x + 0.06y = 150
Thank you all

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Question 194216: Can you help-- Solve the system by the addition method.
x/3-y/2=-5/6, x/5-y/3=-3/5
Thank you all

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Question 194214: Can you help me-- Solve the system by the addition method. Determine whether the equations are independent, dependent or inconsistent.
4x+3y = 2
-12x – 9 y = - 6
Thank you all

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Question 194213: 1.Can you help me with this? ) Let’s assume that the combined population of Anchorage and Tampa was 25,000 in 1955. By 1960 the population of Anchorage had increased by 10% while Tampa had increased by 9%. If the total population increased by 2380 people, then what was the population of each city in 1955.
Thank you all

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Question 194956: How to do calculation 223.13 = x + 5%. What is x? I don't know how to do this.
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Question 194947: given the following three equations, solve for a, b, and c:
7^a * 7^b = 7^c
(2^a)^b = 64
(3^b)/(3^c) = 1/9
thankz:D

Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 195253: the perimeter of the quadrilateral is 130 inches. Find the lengths of the sides. The given sides are x+2, 2x+1, x-5, x^2-3x.
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Question 195889: Calvin invested $7500 for one year, part at 12% annual interest and the rest at 10% annual interest. his total interest fot the year was $890. How much money did he invest at 12%?
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Question 196180: Three-fifths of the men in chemistry class have beards and two-thirds of the women have long hair. If there are 120 men in the class and 46 are not in the above groups, how many men and how many women are there in the class?
I have the answer but I can't figure out how to get it. I've done it a zillion different ways and get nothing close.

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Question 197309: Hello,
My question is that, i don't fully understand the concept of markup and discount. I keep forgetting the formula of what you have to do for getting the answer in markup or discount. I need to know how to solve problems which involve using markup or discount

Click here to see answer by stanbon(75887) About Me 

Question 197401: I would like to know if I am on the right track or not in answering this question. 5-5A (compound annuity) What is the accumulated sum of each of the following streams of payments?
d. $25 a year for 3 years compounded annually at 2 percent
This is what I have done:
25.00 + 25.00(1+.02) + 25.00(1+.02)^2 = 76.51
Am I on the right track?

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Question 195540: Pep invested x dollars in a savings account and y dollars in a certificate of deposit, for a totly investment of $500.
After 1 yr. he received 4% interest on the money in his savings account and 6% savings on the certificate of deposit for a totaly interest earned of $26.
Find out how much he invested at each rate.

Click here to see answer by MathTherapy(10552) About Me 

Question 197607: I'm 50 years old and it's been years since I did algebra. I know the equation is as follows, but I can't remember how to solve it.
(2,145,000+X)/(858,000+X)=2

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Question 197926: What are the steps to solving: (Y cubed + 3Y squared - 5Y - 4) divided by (Y +4)
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Question 198159: how do you solve the following:
172000/(1+x^12)

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Question 198358: If profit of 40% on selling price is equivalent to what percent profit on cost price.
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Question 198280: Solve for x if $20,000(profits)=24x/x+3, x being monthly advertising budget.
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Question 198458: (1-(1+y)^(-60))/(y)=36.467316
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Question 198579: A charity group which feeds homeless children, receives a donation of $3780 for food. They plan to use $180 each day. At the end of what day will they have $1260 left?

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Question 198571: How do i set up an equation for this problem? There are a total of 500 douglas fir and hemlock trees in a section of the forest purchased by the hoodoo logging co. the company paid an average of $205 for each douglas fir and $300 for each hemlock. If the company paid a total of $132,000 for the trees how many of each kind did the company buy?
Click here to see answer by jim_thompson5910(35256) About Me 
Question 198571: How do i set up an equation for this problem? There are a total of 500 douglas fir and hemlock trees in a section of the forest purchased by the hoodoo logging co. the company paid an average of $205 for each douglas fir and $300 for each hemlock. If the company paid a total of $132,000 for the trees how many of each kind did the company buy?
Click here to see answer by stanbon(75887) About Me 

Question 199779: hello, can you help? I have this dual rate YP formula and I need to work out what x equals (x equals the interest rate)
1/
X = 0.03/(1.03)-1

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Question 200289: At a football game, 200 souvenirs were sold, some at $1.50 each and the rest at $2.50 each. If the proceeds from the sales totaled $380, how many of each kind were sold?
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Question 200290: Janet has five fewer fifteen-cent stamps than twenty-cent stamps. If the total value of the stamps is $3.45, how many twenty-cent stamps does she have?
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Question 200288: An experienced mechanic earns $8.00 per hour more than an apprentice. If it takes the apprentice 18 hours to earn the same amount of money as the mechanic can earn in 12 hours, what is the hourly pay rate of the mechanic?
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 201035: Phillip charged $400 worth of goods on his credit card. On his first bill, he was not charged any interest, and he made a payment of $20. He then charged another $18 worth of goods. On his second bill a month later, he was charged 2% interest on his entire unpaid balance. How much interest was Phillip charged on his second bill?
Click here to see answer by rfer(16322) About Me 

Question 201431: Hi can someone please help me solve for this problem, it's from the Financial Management: Principles and Application book by Keown ch. 15, study question 15-13A:
(Break-even point and operating leverage) Allison Radios manufactures a complete line of radio and communication equipment for law enforcement agencies. The average selling price of its finished product is $180 per unit. The variable cost for these same units is $126. Allison Radios incurs fixed costs of $540,000 per year.
a. What is the break-even point in units for the company?
b. What is the dollar sales volume the firm must achieve in order to reach the break-even point?
c. What would be the firm’s profit or loss at the following units of production sold:
12,000 units? 15,000 units? 20,000 units?
d. Find the degree of operating leverage for the production and sales levels given in part (c).
Thank you

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Question 201637: In a loan of 8% compounded quarterly, what is the periodic interest?
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Question 201824: I am stumped. I am trying to solve for X
+X+=+B+%2A+%28X+%2B+Y+%2B+Z%29+

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Question 201824: I am stumped. I am trying to solve for X
+X+=+B+%2A+%28X+%2B+Y+%2B+Z%29+

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Question 201930: How much does the job pay each week? _____
SALES CLERK
Monday - Friday
8-hr. day $4.35/hr.
Apply in person.
Pedal Power Bike Shop

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Question 201931: Suppose that $27.40 is withheld for federal income tax and $12.35 is
withheld for Social Security. What would your net pay be? _____
SALES CLERK
Monday - Friday
8-hr. day $4.35/hr.
Apply in person.
Pedal Power Bike Shop

Click here to see answer by rfer(16322) About Me 

Question 201929: How many hours would you work each week? _____
SALES CLERK
Monday - Friday
8-hr. day $4.35/hr.
Apply in person.
Pedal Power Bike Shop

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Question 201932: How much less would the net pay be than the gross pay? _____
SALES CLERK
Monday - Friday
8-hr. day $4.35/hr.
Apply in person.
Pedal Power Bike Shop

Click here to see answer by Alan3354(69443) About Me 

Question 202096: Need help double-checking: Express the following word problem algebraically and solve the following problem:
Joe must have a take home pay of $30,400 to live comfortably and pay all his bills. If the government gets 24% of Joe’s income, then what must Joe’s income be in order for him to live comfortably and pay all this bills.
(1 - 0.24) = 0.76x
x = 30,400/.76 = $40,000
This is what I have so far.. I need someone to double check it and let me know if my answer is correct. Thanks!

Click here to see answer by checkley77(12844) About Me 

Question 202139: Margin calculation (Revenue-Expense)/Revenue = Margin or (x-y)/x=Z. In my case, I know the desired Margin (z) and know the Expense (y). I would like to plug in various values for (z) and have it calculate the revenue required, solve for X.
Thanks.

Click here to see answer by stanbon(75887) About Me 

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