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

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Question 457977: A certain set of data has a mean of 20 and a Standard deviation of 4.5. It is found that two pieces of data have been omitted, one of value 30 and the other of value 25. Find the mean and S.D of the full 25 pieces of data.
Click here to see answer by edjones(7569)

Question 458120: A wire 20m long is attached to the top of a telephone pole. The wire is just able to reach a point on the ground 12m from the base of the telephone pole. Find the height of telephone pole.
Click here to see answer by richwmiller(9143)

Question 458118: The dimensions of a rectangular doorway are 200cm by 90cm. Can a table top with a diameter of 210cm be carried through the doorway? Provide mathematical evidence to support your answer?
Click here to see answer by richwmiller(9143)

Question 458121: The distance between each of the bases on a baseball diamond is 90ft. A catcher often has to throw from home to 2nd base in order to get a player who is stealing bases out. How far does a catcher have to throw in this situation?
Click here to see answer by ankor@dixie-net.com(15667)

Question 458283: In triangle ACB
a=230 ft
b=110 ft
angle C=34 degrees
can you help me find side c?
Click here to see answer by Alan3354(30993)

Question 458282: You want to cut down a tree that is 85 ft from your house, which must fall toward your house. You need to find out how tall the tree is. You start at some distance from the tree and use your handy dandy sextant to determine that the angle of elevation from the ground to the top of the tree is 63.435 degrees. You move 10 feet closer and find the angle has increased to 68.199 degrees. So, how tall is the tree?
Click here to see answer by solver91311(16897)

Question 458299: You want to cut down a tree that is 85 ft from your house, which must fall toward your house. You need to find out how tall the tree is. You start at some distance from the tree and use your handy dandy sextant to determine that the angle of elevation from the ground to the top of the tree is 63.435 degrees. You move 10 feet closer and find the angle has increased to 68.199 degrees. So, how tall is the tree?
I got 100 is that what you got?
Click here to see answer by solver91311(16897)

Question 458292: The count in a bacteria culture was 400 after 10 min and 1500 after 35 min what was the initial size of the culture?
find doubbling period?
find population after 90 min?
when will the population reach 12000?
Click here to see answer by robertb(4012)

Question 458308: In triangle ACB
a=230 ft
b=110 ft
angle C=34 degrees
can you help me find side c?
I got 152 is that what you got?
Click here to see answer by stanbon(57424)

Question 458026: When ax^3-2x^2+3x-5 is divided by 2x-1, the remainder is -8
Find a.
Click here to see answer by Edwin McCravy(8924)

Question 458300: In triangle ACB
a=230 ft
b=110 ft
angle C=34 degrees
can you help me find side c?
I got 152 is that what you got?
Click here to see answer by robertb(4012)

Question 42524: The length of a rectangle is 2 cm more than twice its width. If the perimeter of the rectangle is 52 cm, find the dimensions of the rectangle.
let the width of the rectangle is x cm
then length of the rectangle will be 2x+2
given perimeter of the rectangle is 52 cm
=>2*(x+(2x+2))=52
=>2*(3x+2)=52
=>3x+2=26
=>3x=24
=>x=8
hence lenghth of the rectangle is 18cm and width is 8cm
Click here to see answer by pallavi(12)

Question 458414: Al’s Market sells hamburger in 1-pound, 2-pound, and 5-pound packages. On Saturday they sold 608 pounds of hamburger in 254 packages; twice as many 2-pound packages as 5-pound packages. How many 1-pound packages were sold?
Click here to see answer by stanbon(57424)

Question 458441: Monica spent 4/5 hours listening to tapes of Beethoven and Brahms she spent 2/7 hours listening to Beethoven how many hour was spent listening to Brahms?
Click here to see answer by nerdybill(6963)

Question 458449: John currently has enough money to buy 45 books. If the cost of each book was 10 cents less, John could buy 5 more books. How much money does John have to spend on books?

Click here to see answer by richwmiller(9143)

Question 458590: In four hours Edgar can collect 100 spittle bugs, Gene collects the same amount in 3 1/2 hours. If they work quickly how many they catch 100 bugs.
Click here to see answer by richwmiller(9143)

Question 458641: Hello,
Can someone help me solve this problem?
Translate to an algebraic twice n
The translation is___?
Click here to see answer by rfer(12678)

Question 458697: The amount of oil used by a ship traveling at a uniform speed varies jointly with the distance and the square of the speed. If the ship uses 200 barrels of oil in traveling 500 miles at 32 miles per hour, determine how many barrels of oil are used when the ship travels 320 miles at 16 miles per hour.
Click here to see answer by stanbon(57424)

Question 459056: in 1992, life expectancy of males in a certain country was 65.1 years. in 1996, it was 68.9, let E represent the life expectancy in year t and let r represent the number of years since 1992. the linear function E(t) that fits the data is
E(t)=_t+_
use the function to predict the life expectancy in 2006
Click here to see answer by josmiceli(9698)

Question 459091: If a tubs volume is 11,160 cubic inches, how long would it take to fill up the tub half-way if it takes 1 minutes to fill 3 gallons? In minutes.
Click here to see answer by Alan3354(30993)

Question 459157: What two numbers add up to 42 but has a difference of 6?
Click here to see answer by robertb(4012)

Question 459358: The numerator of a certain fraction is 7 less than its denominator. If 4 is subtracted from the numerator and 1 added to the denominator, the resulting fraction equals 1/3. find the fraction.
Click here to see answer by edjones(7569)

Question 459349: THE LENGTH OF A RECTANGLE IS 6 FEET MORE THEN THE WIDTH.THE PERIMETER OF THE RECTANGLE IS 120 FEET. FIND THE LENGTH
Click here to see answer by edjones(7569)

Question 459524: The width of a rectangle is 3 ft, its length is (6x + 2) ft, and its area is 80 ft². Find x.

Click here to see answer by MathLover1(6649)

Question 459552: The weight of water 62&1/2 per cubic ft whats the weight of 17&1/9 cubic ft of water?
Thank You
Click here to see answer by Alan3354(30993)

Question 459551: a file cabinet top is 3/5yd by 7/6yd. What is the area?
thank you
Click here to see answer by solver91311(16897)

Question 459541: The power rating P, in watts, of an electrical appliance is determined by
P = I x V
where I is the current, in amperes, and V is measured in volts.
a) A kitchen requires 30 amps of current and the voltage
in the house is 115 volts. What is the wattage of the
kitchen?

Click here to see answer by Alan3354(30993)

Question 459553: A commodities trader bought 1/13 tons of Oolong tea and & 3/13 tons of green tea to sell at the market. How many tons of tea the trader brought in all?
Thank You
Click here to see answer by rfer(12678)

Question 459628: The height, in feet, of an arrow is given by the equation h= -16tsquared +70t +7 where "t" is in seconds. How long will it take for the arrow to hit the ground? Please round your solution to the nearest tenth of a second.
Click here to see answer by stanbon(57424)

Question 459662: Television sets are measured diagonally from corner. HDTVs are designed so that the proportion of width to height is 16 to 9. Use this information to find the actual dimensions (width and height) of a 46 inch HDTV
Click here to see answer by nerdybill(6963)

Question 459758: PLEASE HELP ME PLEASE IM SOOOO STUCK ON THIS :) THANK YOU:
AN AIRCRAFT FLEW 4 HOURS WITH THE WIND. THE RETURN TRIP TOOK 5 HOURS AGAINST THE WIND. IF THE SPEED OF OF THE PLANE IN STILL AIR IS 384 MILES PER HOUR MORE THAN THE WIND SPEED, FIND THE SPEED OF THE WIND SPEED AND THE SPEED OF THE PLANE IN STILL AIR,
THANK YOU!!!
Click here to see answer by richwmiller(9143)

Question 456398: The length of a rectangle is 5 cm greater than its width. Find the dimensions of the rectangle if its area is 126 sq. cm.
Click here to see answer by jorel1380(2518)

Question 459728: A large rectangular movie screen in an Imax theater has an area of 7,676 square feet. Find the dimensions of the screen if it is 25 feet longer than it is wide.
Length ft
width ft

Click here to see answer by jorel1380(2518)

Question 459682: AN AIRCRAFT FLEW 4 HOURS WITH THE WIND. THE RETURN TRIP TOOK 5 HOURS AGAINST THE WIND. IF THE SPEED OF OF THE PLANE IN STILL AIR IS 384 MORE THAN THE SPEED OF THE WIND, FIND THE SPEED OF THE PLANE IN STILL AIR AND THE SPEED OF THE PLANE AGAINST THE WIND.
PLEASE HELP ME
Click here to see answer by jorel1380(2518)

Question 459616: You owe a relative $586.05 The relative decides to cancel $178.02 of debt. How much do owe now?
Click here to see answer by jorel1380(2518)

Question 459545: During a chemical reaction, the temperature in the beaker decreased every minute by the same number of degrees. The temperature was 21°C at 11:08 A.M. By 11:43 A.M., the temperature had dropped to -19°C. By how many degrees did it drop each minute?

Click here to see answer by jorel1380(2518)

Question 459295: a carton of eggs orginally costs the store $.98, but to make money, the store wants to have an 85% markup on the carton of eggs. find the new price of the eggs?
Click here to see answer by jorel1380(2518)

Question 459544: . On the first, second, and third downs, a football team had these gains and losses: 7-yd gain, 15-yd loss, and 10-yd gain, respectively. Find the total gain (or loss).

Click here to see answer by jorel1380(2518)

Question 459269: a real estate broker's base annual salary is $18,000. she earns 3% commission on total sales. How much did she sell in real estate value during the year to earn $65,000?
Click here to see answer by jorel1380(2518)

Question 459935: one hose can fill a goldfish pond in 42 minutes, and two hoses can fill the same pond in 30 minutes. find how long it takes the second hose alone to fill the pond
Click here to see answer by jorel1380(2518)

Question 460040: A vacuum pump removes 1/7 of the air from a jar on each stroke of its piston. What percent of the air remains after four strokes of the piston?
Click here to see answer by jorel1380(2518)

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