Questions on Word Problems: Miscellaneous Word Problems answered by real tutors!

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 Word Problems: Miscellaneous Word Problems Solvers Lessons Answers archive Quiz In Depth

 Question 306279: The intensity of light received from a source varies inversely as the square of the distance from the source. If the light intensity is 3 foot-candles at 16 feet, find the light intensity at 11 feet. Click here to see answer by Fombitz(13828)

 Question 306343: Need hel solving the problem -b+1-sqrt(b^2-4ac)/2a What is the value of a,b&c Click here to see answer by Alan3354(30993)

 Question 306336: The stock market gained 47 points on Tuesday and lost 21 points on Wednesday. It had closed on Monday at 2711 points. Where did the market close on Wednesday? My answer was 2685; is that correct?? Thank you!!!! Click here to see answer by Alan3354(30993)

 Question 306347: Please help me with this confusing question. The period T (time in seconds for one complete cycle) of a simple pendulum is related to the length L (in feet) of the pendulum by the formula 8T^2 = (pi)^2L. If a child is on a swing with a 10-foot chain, then how long does it take to complete one cycle of the swing? Click here to see answer by josmiceli(9674)

 Question 306387: Can you please help me with this problem!!! Thank you I often use rebates for items I purchase regularly. For example, recently a beauty company offered a \$15 rebate when you purchase at least 3 items costing at least a total of \$15 from their product line. The formula for determining the cost after the rebate is C = P – R. (Cost = Price – Rebate) A. Please solve the above equation for the P. B. If my cost is \$8 after the rebate, then how much was my total price? Click here to see answer by richwmiller(9135)

 Question 306512: How much would it cost to watch a football game on the television with a power rating of 400 W for 3.0 h if electrical energy costs \$0.16/kW·h? Click here to see answer by rfer(12657)

 Question 306590: With a tailwind, an airlplane can fly 1440 km in 2.5 hours. On the return flight with the same wind and flying distance the flight takes 3 h. Find the rate of the plane and the rate of the wind. Help please! Click here to see answer by mananth(12270)

 Question 306657: A frog is in the bottom of the well which is 20feet.if it goes up 4feet &goes down 3feet. How many day does it take to be at the top of the well? Click here to see answer by ichudov(499)

 Question 306785: you invested 4000 in 2 stocks. one is 5% and the other 7% annual interest. At the end of the year total interest was 230. how much was invested at each rate? Click here to see answer by texttutoring(324)

 Question 306784: If x and y are integers, which of the following is equivalent to (2x)3y – (2x)y? a) (2x)2y b) 2y(x3 – xy) c) (2x)y[(2x)2y – 1] d) (2x)y(4xy – 1) e) (2x)y[(2x)3 – 1] Click here to see answer by Stitch(352)
 Question 306784: If x and y are integers, which of the following is equivalent to (2x)3y – (2x)y? a) (2x)2y b) 2y(x3 – xy) c) (2x)y[(2x)2y – 1] d) (2x)y(4xy – 1) e) (2x)y[(2x)3 – 1] Click here to see answer by texttutoring(324)

 Question 306796: A straight fence 144 m long is built by putting a post at each end, and a post every 6 m. How many posts are used building this fence? Click here to see answer by rfer(12657)

 Question 306851: 20 people make 43 shoes in [ (3)^.5]/2HOURS. hOW MANY SHOES WILL THEY MAKE IN 8 HOURS Click here to see answer by nyc_function(2733)

 Question 306765: The sum of the digits of a two digit counting number is 10. If the digits are reversed, the new number is two less than three times the original number. What is the original number? Click here to see answer by dabanfield(803)

 Question 306895: Watermelons bought for 200.00. Priced melons so made \$1.50 profit per melon. When all but 30 had been sold, initial investment of 200.00 had been recovered. How many melons were bought initially. I cannot figure out the formula without either the price the melons were sold for or the number of melons bought. Help please! Click here to see answer by amp(1)

 Question 306783: The will of an eccentric millionaire reads as follows: "In the following order, i leave 4/17 of my estate to my son, then 7/13 of the remainder to my wife, then 2/3 of the remainder to my daughter, and the remaining \$2 million to my dog." What was the total amount of the millionaire's estate? Click here to see answer by ankor@dixie-net.com(15649)

 Question 306840: Plants, which get their carbon dioxide from the air, contain small amounts of carbon-14. Once a plant is cut it no longer forms Carbon-14 and in fact the amount present starts to decay. The half life for Carbon-14 is 5730 years. If a plant had 30 units of Carbon-14 in it when it was cut, find an equation that models the decay of Carbon-14 in this plant. Click here to see answer by ankor@dixie-net.com(15649)

 Question 84872: Hello. I've tried this problem but came to no logical solution. Please help. A monk has a very specific ritual for climbing up the steps to the temple. First he climbs up to the middle step and meditates for 1 minute. Then he climbs up 8 steps and faces east until he hears birds singing. Then he walks down 12 steps and picks up a pebble. He takes one step up and tosses the pebble over his left shoulder. Now, he walks up the remaining steps three at a time which only takes 9 paces. How many steps are there? Thank you very much for your help. Click here to see answer by galnamedpam(1)

 Question 307071: A circular clock has the numbers 1 through 24 evenly spaced around it. Which of the following answers include the numbers that is directly across from 7? A 16 or 17 B 18 or 19 C 20 or 21 D 5 E 2 Click here to see answer by Edwin McCravy(8908)

 Question 307062: According to Kepler's third law of motion, the ratio T^2/R3 has the same value of every planet in the solar system. T is the number of years it takes a planet to orbit the sun. R is the average radius of the orbit of the planet measured in astronomical units(AU). The question is, if the average radius of the orbit of Venus is 0.723 AU, then how many years does it take for Venus to complete one orbit of the sun? Click here to see answer by ankor@dixie-net.com(15649)

 Question 307137: 2 boys can eat 2 slices of pizza in 3 minutes . in how many minutes can 178 boys eat 178 slices of pizza ? Click here to see answer by solver91311(16877)

 Question 307138: A certain type of chocolate is sold only in 10 ounce boxes, costing \$1.5 per . box. How much will it cost to buy 2 pounds of this chocolate ? There are 16 ounces in one pound Click here to see answer by solver91311(16877)

 Question 306388: Combined there are 202 Asians, African, Europeans, and Americans in a village. The number of Asians exceeds the number of Africans and Europeans by 71. The difference between the number of Europeans and Americans is 16. If the number of Africans is doubled, their population exceeds the number of Europeans and Americans by 18. Determine the number of Asians, Africans, Europeans, and Americans in this village. Click here to see answer by CharlesG2(828)

 Question 307132: People enter a room one at a time and are given a name tag in one of five possible colors. The colors are given out in this order: red, blue, white, green, and yellow. What is the color of the name tag that is given to the 93rd person who enters the room? (A) red (B) blue (C) white (D) green (E) yellow Click here to see answer by Fombitz(13828)

 Question 307072: Farmer Fred said to Farmer John: “If you sell me 45 hectares of land, I will have twice as much land as you.” Then Farmer John said to Framer Fred: “If you sell me 45 hectares of land, I will have just as much land as you.” How many hectares of land does farmer Fred have? (A)135 (B) 180 (C) 225 (D) 270 (E) 315 Click here to see answer by ankor@dixie-net.com(15649)

 Question 307206: A soccer ball is kicked straight up with an initial velocity of 32 ft. per second. Its height above the earth is given by s (t) = -16t^2 + 32t, where, ‘s’ is the height in ft. at any time, ‘t’ seconds. a. What is the maximum height reached by the ball? b. How long after it was thrown up the ball reaches its maximum height? Click here to see answer by jim_thompson5910(28593)

 Question 307092: The number of tickets sold each day for an upcoming performance of Handel's Messieah is given by N(x)=-0.4x^2+8.8x+11, where x is the number of days since the concert was first announced, When will daily ticket sales peak and how many tickets will be sold that day? Click here to see answer by ankor@dixie-net.com(15649)

 Question 307208: A cubic shipping container had a volume of v3 cubic meters. The height of the container was decreased by a whole number of meters and the width was increased by a whole number of meters so that the volume of the container is now v3 + 2v2 – 3v. Find out the following: a. By how many meters the height was decreased? b. By how many meters the width was increased? Click here to see answer by ankor@dixie-net.com(15649)

 Question 307227: On a sunny day, a building and its shadow form the sides of a right triangle. If the hypotenuse is 34 m long and the shadow is 24 m, how tall is the building? Click here to see answer by mananth(12270)

 Question 307272: Z W Y X The sequence above may be changed in either of two ways . either two adjacent letters may be interchanged or the entire sequence may be reversed . what is the least number of such changes needed to put the letters into alphabetical order from left to right ? (A) 2 (B) 3 (C) 4 (D) 5 (E) 6 Click here to see answer by Theo(3460)

 Question 307281: Fast food. If four out of five doctors prefer fast food, then at a convention of 445 doctors, how many prefer fast food? For this problem I subtracted one from every five and received the answer 111. Click here to see answer by Alan3354(30993)
 Question 307281: Fast food. If four out of five doctors prefer fast food, then at a convention of 445 doctors, how many prefer fast food? For this problem I subtracted one from every five and received the answer 111. Click here to see answer by checkley77(12569)

 Question 307435: Write and solve two mathmatical sentences for the following problem: The length of a crayon box base is 2 more than 3 times its width. If the perimeter of the base of the crayon box is 14 centimeters, find the length and width. Click here to see answer by rapaljer(4667)

 Question 307448: If the area of square PQRS is 500 square feet, the length of each side is in between which two numbers? Click here to see answer by rapaljer(4667)

 Question 307463: The cardinal number of the set {triangle, rectangle, square, trapezoid, octagon, rhombus, circle, ellipse, pentagon} is _________. Click here to see answer by rapaljer(4667)

 Question 307465: Without writing them all out, what is the number of subsets of set A ={king, queen, knight, prince, princess, duke}? Click here to see answer by jim_thompson5910(28593)

 Question 307551: At 2pm in Anchorage, Alaska the temperature is 11 degrees fahrenheit, at 9pm the temperature was -10 degrees fahrenheit. What was the average temperature change per hour. Click here to see answer by Earlsdon(6287)

 Question 307495: A clock loses 2 seconds every minute. How much time , in hours, must pass before this clock displays the correct time again ? a 30 b 60 c 700 d 720 e 120 Click here to see answer by ankor@dixie-net.com(15649)

 Question 307675: The number of bacteria present in a culture after t minutes is given as B=10e^kt. If there are 6703 bacteria present after 5 minutes, kind k. Click here to see answer by rapaljer(4667)

 Question 307694: How many miles would a map distance of 5/8 inch represent if 1 inch = 240 miles? Click here to see answer by Alan3354(30993)

 Question 307719: The formula for the surface area of a sphere is A=4nr2. A square sticker of side x if placed on a ball of radius 3x. What is the surface area of a sphere not covered by the sticker? We must answer in a factored form. Thank you. Click here to see answer by ankor@dixie-net.com(15649)

 Question 307913: Can the word "ANTLERS" be played from the letters A, E, O, N, R, S, T as the first move in a Scrabble game? Explain your answer Thank you Click here to see answer by Fombitz(13828)