| Subject | Date Asked |
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| Percentages | 11/21/2009 |
Q: An investor invests $3000 into two accounts earning 2% and 5% simple interest for one year. How ...
A: Taje $x abd invest it at 2%. That leaves $(3000-x) to be invested at 5%. The equation to solve is ...
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| maths problem | 11/20/2009 |
Q: a bicycle dealer allows 10% discount and still makes a profit of 20% on his bicycle if the total ...
A: Let me see if I understand the problem. A bicycle dealer allows 10% discount on his bicycles. He ...
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| Math | 11/20/2009 |
Q: ok if i have a 6 digit number how many possible codes can it be using the numbers 0-9 and you can ...
A: Since the numbers go from 000000 (which is 0) to 999999, which is 999,999, that looks like a million ...
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| Solving Systems of Linear Equations in Three Variables | 11/19/2009 |
Q: I am so confused. For homework this week my teacher gave us a critical thinking activity on 'solving ...
A: Suppose you are the director of purchasing for a large commercial airline company. Several years ...
|
| Math Story Problem | 11/18/2009 |
Q: The halftime marching band (football) must stand in a formation meeting these requirements: 1. ...
A: If a 5 pointed star is made with the top point on the 50 yard line and 21 people on each sides, this ...
|
| sinusoidal function | 11/18/2009 |
Q: The motion of a clock's hour and minute hand around the clock face can be modelled by a sinusoidal ...
A: 1a) The height of the end of the hands above the middle looks just like a cos() curve. The distance ...
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| Math-word problem help | 11/17/2009 |
Q: The Cougars played two games against the Bobcats. In the games, the Cougars scored a total of 96 ...
A: 1. The Cougars could have scored 48 points each game, and the Bobcats would have scored 44 for the ...
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| Umm | 11/17/2009 |
Q: Well I was doing a practice test for my exams and I did most of the other questions but this one is ...
A: Now I use hamburger in my spaghetti, and here we are going to add bologa. That way, no minced beef ...
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| math | 11/11/2009 |
Q: calculate the monthly payment by loan amortization table: loan 26,000 down payment 5,000 11% 36 ...
A: I don't have a load amoritization table, but I know the formula. The payment would be on 26,000 - ...
|
| Area of Rectangular | 11/10/2009 |
Q: A rectangular dog pen pen is to be made with 116 feet of fence wire. An existing property fence will ...
A: Perimeter P = 2W + L, since one L is already had, so L = P - 2W. Area A = WL, and L can be put in. ...
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| inequality word problem | 11/9/2009 |
Q: I have the following two questions that are stumping me and many others to no end. Any help with ...
A: For David, he wants the total to be %150,000 + $80,000 = $230,000 after he pays the realtor 7%. That ...
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| maths | 11/8/2009 |
Q: 1.find a fraction which reduces to 2/3 when 3 is added to both its numerator and denominator, and ...
A: 1. Let the fractioin be x/y. (x+3)/y = 2/3 and (x+1)/(y+1) = 3/5. The first one says that 3(x+3) = ...
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| Missing digits | 11/7/2009 |
Q: Problem: The sum of unused digits is 16 T E N T + S I T E __________ S L E E P ANSWER: S ...
A: The three sets of numbers I gave you were A) 0,1,3,6,7,8,9 B) 0,1,2,4,5,8,9 and C) 0,1,4,5,6,8,9 ...
|
| Trig | 11/7/2009 |
Q: I need help with this word problem, please: A building contractor is planning to use a ladder to ...
A: Most the time if the ladder reaches the bottom of the window that's OK, so if the ladder is 18' and ...
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| Word Problems | 11/7/2009 |
Q: 1. Find the two real numbers whose sum is 18 and whose product is a minimum. 2. Find the two real ...
A: 1. x+y=18, so y=18-x; maximize f(x) = x(19-x) = 19x - x² by solving f'(x) = 0. 2. x+y=24, so ...
|
| need a solving | 11/6/2009 |
Q: britney steals Jill's skateboard and the skateboard is going 35 mph and it takes Jill 20 seconds to ...
A: You've got to look at the units. 35 mph is 35 miles/hour. Now there is 1 hr/60 min and 1 min/60 ...
|
| Rate Distance problems | 11/6/2009 |
Q: This is a question my son cant figure out and I cant help can you please. At 9:30 a.m. Andrew left ...
A: At 10, A has gone 6 miles, so there are 14 miles left between them. The speed combined is 12+16 = ...
|
| word problem | 11/5/2009 |
Q: a student has 100 coins totaling $5.00. The student has no nickels, what coins does the student ...
A: This would mean that 60 of the coins are pennies, so that leaves 40 coins and $4.40. 40 dimes would ...
|
| Missing digits | 11/4/2009 |
Q: Problem: The sum of unused digits is 16 T E N T + S I T E __________ S L E E P
A: S has to be a 1, since there is 1 more digit in the answer and the sum of two distinct digits is no ...
|
| need help getting the equation | 11/4/2009 |
Q: The feed company sells 1 ounce package containing a mixture of lettuce seeds. Green stem seeds sell ...
A: Let p be the percentage in that one ounce package of green stem seeds. This makes 1-p the percentage ...
|
| Transformations | 11/4/2009 |
Q: For y=3f(2pheta-90')-1 , f(pheta)=sin pheta Evaluate for 30'
A: Is that y = 3f(2Θ-90°)-1? By the way, Θ is alt-233 (numbers on the right) and ° is ...
|
| 8th Grade Math word prblem | 11/4/2009 |
Q: Need help with how to set up following equation. Fred begins walking towards John's house at ...
A: It would be the same as if we asked how long it would take on to get across if they walked at (3+2) ...
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| Linear programming word problem | 11/3/2009 |
Q: Matt is trying to determine the correct amount of fertilizer that should be applied to his lawn. A ...
A: I have put the answer in the attachment. Note that I put a +1 and a -1 where the rows have to have ...
|
| Math | 11/3/2009 |
Q: A principal of $2100 was invested in the stock market. Some shares of World Oil were bought at ...
A: Let the shares of World Oil be W. Let the shares of Zinco Mines be Z. What we are given is that ...
|
| story problem | 11/3/2009 |
Q: *etra bought gasoline when the odometer read 15,345.4 After the next filling, the odometer read ...
A: To get the number of miles that she drove take the ending value on the odometer - start value on ...
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| fraction story problem please help | 11/3/2009 |
Q: 1. A recipe for strawberry punch calls for 1/5(qt) of ginger ale and 3/5(qt) of strawberry soda. a) ...
A: a) Well, it calls for one fifth of a quart and three fifths of a quart. Since the fractions are 1/5 ...
|
| Ask You somethg. | 11/2/2009 |
Q: one thing that always come to my mind and still its not being answered yet. To what extend truth in ...
A: With basic math, no. In graduate math, there might be one, though I can't recall studying sanything ...
|
| Trig | 11/1/2009 |
Q: I need help with this problem, please: Two hikers leave a tent at a campground and go separate ...
A: Put the campground at the origin on an x-y graph. This would put one town at (-15,0) and the other ...
|
| Fractions | 11/1/2009 |
Q: I sent you this question recently, and I have a follow-up question that follows your answer to my ...
A: I assume second Mary is supposed to be a different person. After all, the first one is 10 and the ...
|
| Trig | 11/1/2009 |
Q: I need help with this word problem, please: A building contractor is planning to use a ladder to ...
A: The ladder is the hypoteneuse of a right triangle. The ground is the horizontal edge and the ...
|
| Fractions | 11/1/2009 |
Q: I sent you this question recently, and I have a follow-up question that follows your answer to my ...
A: If Mary is M and Ruth is R, is this to say that M/2 + 2R/5 + M/4 = 14? That would say that 3M/4 + ...
|
| Algebra i | 10/30/2009 |
Q: grace dilutes 4.8 fl. oz. of pure hydrogen peroxide with 27.2 floz. of water to make 32 fl oz of a ...
A: What would happen if we added 1 oz of hydrogen peroxide, in theory only: 4.8 oz hydrogen peroxide ...
|
| Uniform Motion Problem | 10/30/2009 |
Q: A passenger train leaves a train depot 2 h after a freight train leaves the same depot. The freight ...
A: Time for P is time for F + 2. Both meet after 3 hours. Speed of F is speed of P - 20. This says ...
|
| Fractions | 10/29/2009 |
Q: 2/3 of Mary’s age equals Sarah’s age and 3/4 of Ruth’s age equals Sarah’s age. If the total ages ...
A: 2M/3 = R, 3R/4 = S, so putting R in gives 3(2M/3)/4 = S, so M/2 = S, so M = 2S. Also, it can be seen ...
|
| Uniform Motion Problem | 10/29/2009 |
Q: a car and a bus set out at 2 p.m. from the same point headed in the same direction. The average ...
A: Let C = car spped and B = bus speed. It is known that C+30=2B. Distance in 2 hours is 2C and 2B. It ...
|
| systems of equations | 10/28/2009 |
Q: a collection of nickels and dimes is $3.30. there are 42 coins in all. how many of each kid of coin ...
A: If they were all dimes, that would be $4.20. For each nickel added and dime subtracted, that makes ...
|
| Speed, time & distance | 10/28/2009 |
Q: Two cars left points A and B simultaneously, traveling towards each other. 9 hours after their ...
A: One of the basic physice equation is d = rt, where d=distance, r=rate, and t=time. I will try to ...
|
| Algebra i | 10/28/2009 |
Q: Grace dilutes 4.8 fluid oz. of pure hydrogen peroxide with 27.2 fluid oz. of water to make 32 fluid ...
A: Currently, we have 4.8/32 = 24/160 = 3/20 = 15/100 = 15% as the concentration of hydrogen peroxide. ...
|
| math word problem | 10/28/2009 |
Q: many of my teachers disagree with the answer some say -10 some say-16 What do you think? Rachel ...
A: R and L are swimmers. When L has 2 laps, R has 4 laps. Since they swim at the same rate, this means ...
|
| Math word problems | 10/27/2009 |
Q: I need help doing these two problems. I have a software of SAT Prep and it gave me these two ...
A: The distance from A to B is x. At 40 mph, this takes x/40 hours to drive. At 60 mph, this takes x/60 ...
|
| Advanced algebra | 10/26/2009 |
Q: A math teacher has a ream of 500 sheets of graph paper. Each week the advanced algebra class uses 90 ...
A: a. There are 90 used per week, so that is -90w. They start with 500, so the number of sheet left is ...
|
| Question about figuring inflation | 10/26/2009 |
Q: The equation S=C(1+r/100)^5 is to find the inflated cost S, in five years of an item, where C is the ...
A: If the inflation rate is -0.3%, that means that next year the product will only be worth 99.7% of ...
|
| Problem about two lottery winners | 10/26/2009 |
Q: Two winners of lottery tickets had a payoff of $3.65 million. If they receie monthly payments over ...
A: There is $3.65 million, which is 3,650,000. Divide by 20 to get the amount per year. Now 3.65/2 = ...
|
| Quadratic Function Story Problem | 10/26/2009 |
Q: Big Bertha, a cannon used in World War I, could fire shells incredibly long distances. The path of a ...
A: To find out how far, solve for y = 0. The equation factors into x(-0.0196x + 1.27). The 1st ...
|
| math | 10/23/2009 |
Q: plane flying at 500 miles per hour leaves chicago. 1/2 hour later, second plane leaves flying in the ...
A: Since only half an hour has passed, the one flying at 500 mph is only 500/2 = 250 miles ahead. ...
|
| Probability Word problem | 10/22/2009 |
Q: If you can help with this problem also, it would be greatly appreciated. I have been banging my head ...
A: Let G=goalie, B=back, M=midfielder, and F=forward. The soccer team has 16 members. Now to go ...
|
| Algebra i | 10/22/2009 |
Q: An alloy containing 30% gold is mixed with a 60% gold alloy to get 300 kilograms of an alloy that is ...
A: If N kilograms of alloy 1 were used, then 300-N kilograms of ally 2 were used. Using this, there ...
|
| algebra 1-b | 10/22/2009 |
Q: Sally wants to buy some accessories for her hair. She can buy two scrunchies and four barrettes for ...
A: Let S be the scrunchies and B be the batteries. We are given that 2S + 4B = $12.50 and that S + 6B ...
|
| word problem | 10/21/2009 |
Q: please bear with me, i' a slow typist M is 8 more than a second number. which of the following ...
A: B, since M is 8 more, the second number is M-8. 1) If you had 5 and you had one more than your ...
|
| welding/math | 10/20/2009 |
Q: A tensile test was performed on a 0.505 inch diameter standard tensile bar machined from a weld ...
A: If the diameter of the bar was d = 0.505, the radius is r = 0.505/2 = .2525. This makes the area = ...
|
| Math Word problem | 10/19/2009 |
Q: Help please. Problem = A five digit number with 5 different digits. Place a 2 in front of number to ...
A: I thought about how to do this, and then decided to let the computer figure it out. I wrote a quick ...
|
| Math | 10/19/2009 |
Q: As Hybrid car sales rise in the united states, automobile manufactures are expected to increase the ...
A: A linear equation since 2000 is to be found. The two years gives are 2015 and 2006, and they have a ...
|
| time problem in algebra | 10/17/2009 |
Q: At what time between 3 to 4 o'clock will be the hands of the clock be together. Please help me to ...
A: The hands on a clock depend on the time. There are (360/12)° per hour, so 30° per hour. There are ...
|
| word problems college algebra | 10/15/2009 |
Q: question 1. the speed of sound is 760 mph in air. a gun is fired 1/2 mile from you. how long will ...
A: question 1. the speed of sound is 760 mph in air. a gun is fired 1/2 mile from you. how long will ...
|
| Mixture/Motion | 10/15/2009 |
Q: I've been asked to create a chart, write an equation and to solve problem: At a spring concert, ...
A: The equation would be given S = the number of student tickets and A = the number of adult tickets, ...
|
| math | 10/14/2009 |
Q: how do i find the hypotenuse and leg of a right triangle when one leg is 4 in.?
A: When the legs are A and B, and the hypoteneuse is C, A² + B² = C². In this case, we have A = 4, so ...
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| Word math problem? | 10/13/2009 |
Q: The wildcat was chasing a jackrabbit, which was 60 leaps ahead. The cat took six leaps to the ...
A: The cat leaps 2/3 as often, but in each leap, goes 7/3 as far. If the cat take 6 leaps, the rabbit ...
|
| quantitative methods in planning(linear programing | 10/12/2009 |
Q: The Star Heights Developer Company owns 800 acres of prime, but undeveloped, land on a scenic lake ...
A: This is a linear programming problem. The variables are s, d, t, and r for, respectively, single, ...
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| word problem with inequalities | 10/8/2009 |
Q: a car rental company offers two plans. Plan a charges $32 per day with unlimited mileage, and plan b ...
A: The equation is 32 = 24 + 0.15m, where m is miles. That solves by first subtracting 24 from both ...
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| math word problem terms | 10/8/2009 |
Q: In the following problem, which I used from the AllExperts website the actual units (days in part 1, ...
A: Yes, the answer is correct if the person only walks at 1/2 mile per hour, but that's some pretty ...
|
| Word problems | 10/8/2009 |
Q: Old Mac Donald raises ducks and cows.The animals have a total of 32 heads and 72 feet. How many ...
A: Ducks have 2 feet and 1 head. Cows have 4 feet and 1 head. If we take D as ducks and C as cows, the ...
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| inequalities | 10/8/2009 |
Q: Laura sells candies half a dollar each. How many candies must she sell to make a profit of at least ...
A: Assuming the half a dollar is profit for her, since it gives no cost, we need to see how many half ...
|
| story problem | 10/7/2009 |
Q: My guess: P=(10/1000)(18/20) because its probability any species will invade X probability that an ...
A: Of the invasive, 18 had high fecundity, 2 did not. Ot those not invasive, only 3 had high fecundity ...
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| word problem / inequalites | 10/7/2009 |
Q: A publisher has orders for 600 copies of a certain text from SanFranciso and 400 copies from ...
A: Since Sacramento needs 400, and Lodi has 'em cheaper that the other place, ship 'em from Lodi to ...
|
| possible combinations | 10/6/2009 |
Q: I have a lock with 4 number spots. I was told the combination is a combination of either 0's %26 ...
A: From what I understand, there are 4 spots that can have a 0, 1, or 2. That's 3 choices for each ...
|
| scale factor | 10/6/2009 |
Q: If a rectangle has an area of 4 and is enlarged by a scale factor of 4, then the enlarged rectangle ...
A: If a rectangle has area A1 = 4 and is enlarged by a scale factor of 4, that means the length L and ...
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| Scale Factor | 10/6/2009 |
Q: A rectangle has area of 30 square feet. A similar rectangle has area of 270 square feet. What is the ...
A: The problem gives us the area is 30, and if the triangle has base x and length y, then xy = 30. The ...
|
| math | 10/6/2009 |
Q: Eggs are bought at Rs 15 a dozen and sold at Rs 2.50 per egg.What is the selling price per dozen ...
A: There is a problem with the units. The buying price is per dozen and the selling price is per egg. ...
|
| Mathematical Expression | 10/5/2009 |
Q: How can a situation be reduced to or expressed as the following: $1.50, per person, per day? Would ...
A: (1) $150 per ? person(s) for 10 days If ? was known, $150/? would be the price for one person for 10 ...
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| Mathematical Expression | 10/5/2009 |
Q: How can a situation be reduced to or expressed as the following: $1.50, per person, per day? Would ...
A: Yes, it is. I think that problem was trying confuse you in there being ten of each. For example, ...
|
| word problem | 10/5/2009 |
Q: A cellular phone company currently has three towers: one in Tampa, one in Orlando, and one in ...
A: Now laying the line would probably have cost due to who's land you were crossing, so it might be ...
|
| Trains | 10/5/2009 |
Q: Two persons walk along the train tracks at a constant speed. The train reaches the first person and ...
A: Since there first train past the person in 10 seconds. The second train the person 20 minutes later ...
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| algebra word problem | 10/5/2009 |
Q: George and Donna drive by car for 5 hours and travel 258 miles. George drives at 53 mph and Donna ...
A: Let the pages read be P. The number not read is 193 - P. One 4th of that number is (193-P)/4. The ...
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| Mathematical Expression | 10/4/2009 |
Q: How can a situation be reduced to or expressed as the following: $1.50, per person, per day? Would ...
A: The price is $1.50 per person, per day. This is $15.00 for 10 people, per day. For 10 days, it is ...
|
| algebra word problem | 10/4/2009 |
Q: George and Donna drive by car for 5 hours and travel 258 miles. George drives at 53 mph and Donna ...
A: Remember the basic equation distance = rate * time, or d = rt. Note that if they had 250 miles to ...
|
| linear equations with two variables word problem | 10/3/2009 |
Q: A boat rows to a place 4.8 miles with the stream and back in 14 hours, but finds that he can row 14 ...
A: First, we know that distance d is equal to rate r times time t, so d = rt. This means that to go ...
|
| Football word problem | 10/2/2009 |
Q: one day, fred the football player decided to do a little math activity. he put his ball down on the ...
A: When he had not yet moved the ball, it was at 100 yards. Since there are 36 inches per yard, that is ...
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| algebra word problem | 9/30/2009 |
Q: Two machines are packing spaghetti into boxes. The smaller machine can package 400 boxes per hour ...
A: m @ 400/hr, M @ 600/hr, M on for 2 hours prior to m When m is turned on, M has been on for 2 hours ...
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| Algebra Word Problem | 9/30/2009 |
Q: Jonah sells popcorn and peanuts at the game. Each bag of popcorn costs $1.50 and each bag of peanuts ...
A: Since both start with P, let C = popCorn and N = peaNuts. It is known that C + N = 300, so C = 300 ...
|
| Linear Word Problems | 9/30/2009 |
Q: For delivering packages, the Cross Town Courier Service charges a set amount for the first 50g and a ...
A: Take the larger, 330g, minus the smaller, 210g and get 120g. Take the larger price, %7.40, minus ...
|
| geometry | 9/29/2009 |
Q: During an election campaign, a candidate gave away 5000 little advertisments.The pens he gave away ...
A: Let P be the number of pens and S be the numbers of stickers. The total is 5,000, so P + S = 5,000. ...
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| Setting up equations for given situations | 9/28/2009 |
Q: When getting into shape by exercising, the subject's maximum recommended number of heartbeats per ...
A: The first thing it says is to subtract the age a from 220. Doing so would mean that we need 220 - a ...
|
| Matrices- Linear Equations | 9/28/2009 |
Q: I have been banging my head against the wall on this one. I cam across this question in my Math ...
A: Let Q = # of quarters, L = # of loonies, and T = # of toonies. Since she has 53 coins, we can say ...
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| Word problems using systems of equations | 9/28/2009 |
Q: Rohando has 1.15 in dimes and nickels. The number of nickles is 5 less than twice the number of ...
A: D = the number of dimes. It is also said 2D-5 = the number of nickels. The value of the is 0.10D + ...
|
| ap calculus | 9/27/2009 |
Q: My Problems (set 1): 6. In exercise 6, find the natural domain of the given function: f(x)=1/(5x+7). ...
A: 6. All but where 5x+7=0 => 5x = -7 => x = -7/5. 7. The domain is where |x| >= rt(3). 12. The ...
|
| Word Problem | 9/25/2009 |
Q: Two kids need to sell candy bars. The 1st customer buys 1/2 the entire stock and 1/2 bar. The next ...
A: They had 8 left, and 1 was eaten, so there were 9 left. If half the amount plus 1/2 a bar was given ...
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| word problems | 9/25/2009 |
Q: If a car needs its oil changed every 3500 miles and its tires rotated every 6000 miles and she just ...
A: Find what number goes into both. Note that 3500=35*100 and 6000 = 60*100. However, it can be seen ...
|
| the 1,000 locker problem | 9/24/2009 |
Q: There are 1000 lockers and 1000 mischievous students. Student 1 opens all the lockers student opens ...
A: Student A (student 1): opens all B (student 2): opens even numbered C (student 3): reverses each 3rd ...
|
| word problem | 9/23/2009 |
Q: A bus seats 51 people and a van seats 8. With 150 students in 8 vehicles, how many buses and vans ...
A: Let the number of busses be B and the vans be V. The equations to look at are 51B + 8V = 150 and ...
|
| Math 111 WordProblem | 9/22/2009 |
Q: A group of hikers from Tulsa hiked down into the Grand Canyon in 3 hours and 30 minutes. Coming back ...
A: I made a silly mistake and forgot to bring down the difference. The real equations are D1 = R1•T1 ...
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| Math 111 WordProblem | 9/21/2009 |
Q: A group of hikers from Tulsa hiked down into the Grand Canyon in 3 hours and 30 minutes. Coming back ...
A: Let distance = D, rate = R, and time = T, and it is known that D = R•T. I will remember that as D = ...
|
| Word problems | 9/16/2009 |
Q: How much of 10 gallons of a 30% antifreeze rich coolant has to be drained and replaced by a 70% rich ...
A: Say the amount added is x gallons, so the amount of antifreeze would be 70%, or 0.7x. In order to ...
|
| applications | 9/16/2009 |
Q: sang invested some money at 10% interest. sang also invested $90 more than 4 times that ammount at ...
A: The first investment is x and the interest rate is 10%, so the interest is 0.1x. The second amount ...
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| Problem solving using inequalities. | 9/15/2009 |
Q: The usuall toll charge to use the Bingham tunnel is 50 cents. If you purchase a special sticker for ...
A: The question is, 'Since the charge is $5.50 and the difference is 15c, find the number of times.' ...
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| math word problem | 9/15/2009 |
Q: Bill & Jeremy both collect model cars. Bill has 3 times as many as Jeremy. Together they had 64 ...
A: Let B = number of cars owned by Bill, J = number of cars owned by Jeremy. B collects 3 times as ...
|
| Gravity | 9/14/2009 |
Q: Jennifer serves the volleyball to holly with upward veloctiy or 21ft/s. The ball is 4ft above the ...
A: I will assume that she should strike it somewhere between 2 to 4 ft off the ground. The equation for ...
|
| precalculus word problem | 9/13/2009 |
Q: Suppose you would like to make a rectangular storage container with a top to store your beloved math ...
A: The variables are L = length, W = width, and H = height. One of the variables can quickly be ...
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| math question | 9/12/2009 |
Q: I was wondering how many possible unique combinations(order does not matter here) for four possible ...
A: Each condition has 2 choices. There are 4 conditions. The answer would be 4's multiplied together, ...
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| Maths | 9/11/2009 |
Q: A woman is 4 years older than her daughter. Six years ago the product of their ages was 136. Find ...
A: Woman's age is W, daughter's age is D. We are given that W=4D and (W-6)(D-6)=136. Putting D=W/4 ...
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| college algebra word problem | 9/11/2009 |
Q: the parking cost at the local airport (in dollars) is C=2+1.75(h-1), where h is the number of hours ...
A: Note that C(h) = 2 + 1.75h - 1.75 = 0.25 + 1.75h = (1+7h)/4. Since C(h) = (1+7h)/4, let C(h) be 37 ...
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| Math 11 canadian sorry lol !!! | 9/11/2009 |
Q: need to know the formula for finding the time in days if a deposit is 3,580 the rate is 4.5%and the ...
A: I kept the numbers out to as many decimals as possible in Excel, but only printed up to five digits ...
|
| algebra 3 4 | 9/10/2009 |
Q: A woman is standing 12 feet from a lamp post that is 18 feet tall. How long is the woman's shadow? ...
A: It depends on the height of the woman. Since it is not given, lets assume she was 5' tall. There ...
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| math word problem | 9/9/2009 |
Q: A farmer has an orchard with five apple trees, five peach trees, five pear trees, five apricot ...
A: They are to be planted in a 5x5 block. In row one, make them apple, peach, pear, apricot, and plum. ...
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| college algebra | 9/9/2009 |
Q: An investor has $5000 to invest for a period of 1 year. Find the range of per annum simple interest ...
A: To find interest rate, take (100(interest)/(original amount))%. That means to calculate ...
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| word problem | 9/9/2009 |
Q: a racecar is scaled so that 1 inch on the model car equal 6 1/4 feet. if the model is 2/3 inches ...
A: Since 1 inch is that same as 6 1/4, lets convert that number to 4ths. 6 is 24/4, and if 1/4 is added ...
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| College algebra prep | 9/8/2009 |
Q: A farmer wishes to enclose a rectangular region with 210 m of fencing in such a way that the length ...
A: Let L = length of the field and W = width of the field. Next, note that there will be two fences of ...
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| quadratic equations | 9/8/2009 |
Q: a bag has 20 coins all 10c or 50c the value of the coins in the bag is 7.60 find how many of each ...
A: The coins with a 10c value I will call D for dimes. The coins with a 50c value I will call H for ...
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