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

Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)

Question 1088312: X and y are two different numbers (0-9).x+x=y tens. Find x and y.
Click here to see answer by ikleyn(52775)

Question 1088338: A rectangular tank, with a base 12" * 14", has a capacity of 189 gallons. Determine tank height.
Volume = length * width * height. cu. ft. = 7.48 gal.
12 * 14 = 168 sq. in. (base area)
Not sure how to continue. Non-homework.

Click here to see answer by Alan3354(69443)

Question 1088420: A square piece of land was increased by 10 yards on each side, and contained 1.5 acres more. Determine dimensions.
1 acre = 4840 sq. yds.
Let x = side of square
x + 10 = side after increase.
Unsure how to proceed. Non-homework.
Click here to see answer by Boreal(15235)

Question 1088434: If a freight carrier charges 55 cents for a package up to one ounce and 39 cents for each additional ounce or fraction of an ounce. Find the cost of shipping a package that weighs 168 grams.
A) $2.50 B) $3.69 C) $2.89 D) $2.73
Click here to see answer by jim_thompson5910(35256)

Question 1088499: The area of a parallelogram is 45 sq units. Base is 2x+1. Height x+1. What is the base & height in units?
Click here to see answer by Boreal(15235)

Question 1088501: Hi
a room is in the shape of a rectangular prism. It has 2 windows and a door that have a combined area of 5.52sqm. What is the area of the internal walls that need to be painted.
The prism is 4.52m long 2.41m wide and 2.96m high.
my answer is 35.5056sq m
textbook says 30.53msq
thanks
Click here to see answer by MathLover1(20849)

Question 1088469: Hi
a tent has the shape of a triangular prism with dimensions as follows:base 1.6m side edge 1.4m and perpendicular height 1.2m. Height of the prism is 2.5m
A find the area of material needed to make this tent including the floor area.
B if the material comes in rolls 3.7m wide what length of material must be purchased so that the tent
can be made without any joins except those at the edges.
C if special joining tape is needed to strengthen each join what length of tape will be needed.
I solved part A 12.92 sq m but need help with B and C.
thanks

Click here to see answer by KMST(5328)

Question 1088511: Adam, Barney and Joe carry 999 books out of the library. Adam works for 3 hours, Barney works for 4 hours and Joe works for 5 hours. They work at different speeds, with Adam carrying 5 books for every 3 books Barney carries and every 2 books Joe carries. How many books did Adam carry?
Click here to see answer by ikleyn(52775)

Question 1088550: Eliminate the parameter in the equation x=3-2t, y=2+3t to find the corresponding rectangular equation.
Click here to see answer by MathLover1(20849)

Question 1088550: Eliminate the parameter in the equation x=3-2t, y=2+3t to find the corresponding rectangular equation.
Click here to see answer by Alan3354(69443)

Question 1088550: Eliminate the parameter in the equation x=3-2t, y=2+3t to find the corresponding rectangular equation.
Click here to see answer by ikleyn(52775)

Question 1088552: Jay Miller sold his ski house at Attitash Mountain in New Hampshire for $35,000. This sale represented a loss of 15% off the original price. What was the original price Jay paid for the ski house
Click here to see answer by ikleyn(52775)

Question 1088533: A ball is dropped from a height of 30 m above the ground. It falls vertically
and bounces off the ground. After each bounce it rises vertically to 80% of
the height from which it fell. Write an expression for the total distance travelled by the ball from the initial drop to the 𝑛th impact with the ground.

Click here to see answer by stanbon(75887)

Question 1088573: A brass disc has the following dimensions;
Diameter; 6'5"
Thickness; 4"
5 4" holes.
Brass weighs .3 lbs. / cu. in.
Determine weight.
Volume of cylinder; pi * r^2 * h.
3.1416 * 38.5 * 38. 5 * 4 = 18626.5464 cu. in. (total vol.)
3.1416 * 2 * 2 * 4 = 50.2656 cu. in. (vol. of 1 hole).
50.2656 * 5 = 251.328 cu. in. (vol. of 5 holes).
18626.5464 - 251.328 = 18375.2184 cu. in. (net vol.)
18375.2184 * .3 = 5512.56522 lbs.
Where am I incorrect? Non-homework.

Click here to see answer by josmiceli(19441)

Question 1088602: Translate this phrase into an algebraic expression.
61 decreased by twice Gail's score
Use the g variable
to represent Gail's score.
Click here to see answer by ikleyn(52775)

Question 1088629: If x=y-9, and y-4=10 x=?

Click here to see answer by ikleyn(52775)

Question 1088547: The rent of an apartment 90sq.m in an expensive housing area is EUR360. How much will the rent be of a 110sq.m apartment in an area. Where the prices per sq.m. are 20% less?
Click here to see answer by Fombitz(32388)

Question 1088647: Sev3n trucks are filled equally from a gasoline tank and 1/3 of gasoline is still in tank .The capacity of each truck is what part of tank?
Click here to see answer by Boreal(15235)

Question 1088641: The population of a colony of mosquitoes obeys the law of uninhibited growth. If there are 1,000 mosquitoes initially and there are 1400 after 1 day. What is the size of the colony after 4 days? How long is it until there are 90,000 mosquitoes?
What is the size of the colony after 4 days?
Approximately _______ Mosquitoes.
(do not round till the final answer. Then round to the nearest whole number as needed.)
How long is it until there are 90,000 mosquitoes?

Click here to see answer by Boreal(15235)

Question 1088640: ``The size P of a certain insect population at time t (in days) obeys the function P(t)=700e^0.05t
(a) Determine the number of insects at t=0 days.
(b) What is the growth rate of the insect population?
(c) What is the population after 10 days?
(d) When will the insect population reach 1050?
(e) When will the insect population double?
Click here to see answer by Boreal(15235)

Question 1088688: Sam runs for 15 minutes at 8 mph, and then jogs for 45 minutes at 4 mph. What is his average speed during this time?
I have absolutely no idea how I would even begin to do this problem. Thanks for the help.
Click here to see answer by ikleyn(52775)

Question 1088728: Find the principal needed now to get the given amount; that is, find the present value.
To get $3000 after 33/4 years at 5% compounded daily.
The present value of $ 3000 is?$______

(Round to the nearest cent as needed.)
Click here to see answer by Theo(13342)

Question 1088725: The half-life of radium is 1690 years. If 40 grams are present now, how much will be present in 440 years?
_______ grams?
(Do not round until the final answer. Then round to the nearest thousandth as needed.)
Click here to see answer by josgarithmetic(39616)

Question 1088743: Solve the equation for theta by writing the sum of the two cosines as a product.
Equation: cos(2theta) + cos(theta) = 0
Click here to see answer by Fombitz(32388)

Question 1088736: Keiko is putting money into a checking account. Let y represent the total amount of money in the account (in dollars). Let x represent the number of weeks Keiko has been adding money. Suppose that x and y are related by the equation =20x+550=y

Note that a change can be an increase or a decrease.
For an increase, use a positive number. For a decrease, use a negative number.
What was the starting amount of money in the account?
What is the change per week in the amount of money in the account?

Click here to see answer by MathLover1(20849)

Question 1088726: The half-life of carbon-14 is 5600 years. If a piece of charcoal made from the wood of a tree shows only 73% of the carbon-14 expected in living matter, when did the tree die?
The tree died about ______ years ago?
(Do not round until the final answer. Then round to the nearest whole number.)
Click here to see answer by MathLover1(20849)

Question 1088752: Running at a speed 15km/h it takes you 10min to get to the railway station. At what speed do you have to ride a bicycle in order to reach your train in 6min.?

Click here to see answer by ikleyn(52775)

Question 1088805: It was 9:00 and the algebra quiz was about to begin. The students were told that they could only work on the quiz until the hands of the clock pointed in the same direction. How long did they have to work?
Click here to see answer by ikleyn(52775)

Question 1088829: The population of a southern city follows the exponential law. If the population doubled in size over 23 months and the current population is 40,000, what will the population be 22 years from now?
What will the population be 22 years from now?

The population will be approximately
______ people?
(Do not round until the final answer. Then round to the nearest whole number as needed.)
Click here to see answer by josgarithmetic(39616)

Question 1088828: The half-life of radium is 1690 years. If 40 grams are present now, how much will be present in 440 years?
______ grams
(Do not round until the final answer. Then round to the nearest thousandth as needed.)
Click here to see answer by josgarithmetic(39616)

Question 1088724: The population of a southern city follows the exponential law. If the population doubled in size over 23 months and the current population is 40,000, what will the population be 22 years from now?
What will the population be 22 years from now?

The population will be approximately ______ people.
(Do not round until the final answer. Then round to the nearest whole number as needed.)
Click here to see answer by josgarithmetic(39616)

Question 1088834: The population of a southern city follows the exponential law. If the population doubled in size over 23 months and the current population is 40,000, what will the population be 2 years from now?
What will the population be 2 years from now?

The population will be approximately ________people?
(Do not round until the final answer. Then round to the nearest whole number as needed.)
Click here to see answer by josgarithmetic(39616)

Question 1088827: After the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1988, the hay in that country was contaminated by a radioactive isotope (half-life 6 days). If it is safe to feed the hay to cows when 14% of the radioactive isotope remains, how long did the farmers need to wait to use this hay?
The farmers needed to wait approximately
_____ days for it to be safe to feed the hay to the cows.
(Round to one decimal place as needed.)
Click here to see answer by josgarithmetic(39616)

Question 1088848: An unknown radioactive element decays into non-radioactive substances. In 840 days the radioactivity of a sample decreases by 48 percent.
(a) What is the half-life of the element?

(b) How long will it take for a sample of 100 mg to decay to 69 mg?
Click here to see answer by rothauserc(4718)

Question 1088853: Describe a function g(x) in terms of f(x) if the graph of g is obtained by vertically stretching f by a factor of 8, then shifting the graph of f to the right 2 units and upward 4 units.
g(x)=Af(x+B)+C where
A=?
B=?
C=?
Click here to see answer by MathLover1(20849)

Question 1088855: An unknown radioactive element decays into non-radioactive substances. In 820 days the radioactivity of a sample decreases by 28 percent.
(a) What is the half-life of the element?
half-life
(b) How long will it take for a sample of 100 mg to decay to 63 mg?
Click here to see answer by Fombitz(32388)

Question 1088854: The half-life of Palladium-100 is 4 days. After 20 days a sample of Palladium-100 has been reduced to a mass of 1 mg.
What was the initial mass (in mg) of the sample?
What is the mass 5 weeks after the start?
Click here to see answer by jorel1380(3719)

Question 1088727: After the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1988, the hay in that country was contaminated by a radioactive isotope (half-life 6 days). If it is safe to feed the hay to cows when 14% of the radioactive isotope remains, how long did the farmers need to wait to use this hay?
The farmers needed to wait approximately ____ days for it to be safe to feed the hay to the cows?
(Round to one decimal place as needed.)
Click here to see answer by ankor@dixie-net.com(22740)

Question 1088858: If x+2 is a factor of x^3 - ax- 6,then find the remainder when 2x^3+ax^2-6x+9 is divided by x+1.
Please help me with this question.
Thank You.
Click here to see answer by josgarithmetic(39616)

Question 1088917: A movie theater charges $5 admission for an adult and $3 for a child. If 700
tickets were sold and the total revenue received was $2900, how many
tickets of each type were sold?
Click here to see answer by ikleyn(52775)

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